During the autumn, birds ________________ southward in search of ________________ and warmer climates. fly food During the autumn, birds __________ southward in search of __________ and warmer climates. A. fly food B. fly mates C. walk food D. walk mates A T / F During the autumn, birds fly southward in search of mates and warmer climates. F - search of food The ________________ is the smallest bird. hummingbird The smallest bird is the A. sparrow B. hummingbird C. canary D. finch B T / F The hummingbird is the smallest bird. T Birds like the hawk and eagle have powerful claws called ________________ on their toes. talons The hawk and eagle have powerful claws called A. pinchers B. hooks C. talons D. webs C T / F Birds like the hawk and eagle have powerful claws called talons. T The thrush, tanager, and woodpecker are found in ________________ ________________ areas. deciduous forest The thrush, tanager, and woodpecker are found in A. grasslands B. urban areas C. deserts D. deciduous forests D T / F The thrush, tanager, and woodpecker are found in grassland areas. F - deciduous forests Birds that are hunted for food and sport are called ________________ birds. game Birds that are hunted for food and sport are called A. pets B. game birds C. birds of prey D. forest birds B T / F Birds that are hunted for food and sport are called game birds. T Meadowlarks use ________________ and ________________ as their nesting or hunting grounds. meadows fields Meadowlarks use __________ and __________ as their hunting and nesting grounds. A. forests and deserts B. forests and grasslands C. meadows and fields D. meadows and forests C T / F Meadowlarks use meadows and forests as their hunting and nesting ground. F - meadows and fields The wings of gliding or sailing birds have a ________________ and ________________ shape. long slender The wings of gliding or sailing birds are A. short and fat B. short and slender C. long and fat D. long and slender D T / F The wings of gliding or sailing birds are long and fat. F - long and slender Birds like the heron and flamingo have long ________________ and separate toes for ________________. legs wading Birds like the heron and flamingo have long __________ and separate toes for __________. A. legs wading B. necks eating C. legs flying D. beaks eating A T / F Birds like the heron and flamingo have long legs and separate toes for wading. T Because birds have backbones, skeletons inside their bodies, and two pairs of limbs, they are considered ________________. vertebrates Because birds have backbones, skeletons inside their bodies, and two pairs of limbs, they are considered A. reptiles B. mammals C. invertebrates D. vertebrates D T / F Since birds have backbones, an internal skeleton, and two pairs of limbs, they are considered to be vertebrates. T Pigeons, canaries, and parakeets are popular ________________ birds. pet Pigeons, canaries, and parakeets are popular A. game birds B. water birds C. pet birds D. hunting birds C T / F Pigeons, canaries, and parakeets are popular game birds. F - pet The two main types of rocks which form the earth's crust are ________________ and ________________. granite basalt The two main types of rocks which form the earth's crust are: A. granite and magma B. granite and basalt C. basalt and magma D. magma and lava B T / F The two main types of rocks which make up the earth's crust are basalt and magma. F - granite and basalt ________________ is the type of rock forming the continental plates. granite The type of rock forming the continental plates is: A. granite B. basalt C. quartzite D. limestone A T / F Granite is the type of rock forming the continental plates. T The convection theory holds that the continents were formed in place around ________________ ________________ continental nuclei The convection theory holds that the continents were formed in place A. by volcanic action B. by isotacy C. around continental nuclei D. by isostacy C T / F The convection theory holds that the continents were formed in place around continental nuclei. T The continental drift theory assumes that drift is most closely related to ________________. sea floor spreading The continental drift theory assumes that drift is most closely related to A. contraction B. expansion C. isostacy D. sea floor spreading D T / F The continental drift theory assumes that drift is most closely related to expansion. F - sea floor spreading The oceanic trenches are thought to be the result of ________________. convection The oceanic trenches are thought to be the result of A. isostacy B. convection C. earthquakes D. tides B T / F The oceanic trenches are thought to be the result of earthquakes. F - convection Mountains are regarded as crustal features of a ________________ ________________. secondary nature Mountains are regarded as crustal features of a A. primary nature B. secondary nature C. tertiary nature D. quarternary nature B T / F Mountains are regarded as crustal features of a secondary nature. T ________________ is the major difference between plains and plateaus. elevation The major difference between plains and plateaus is their A. area B. elevation C. stratification D. composition B T / F Stratification is the major difference between plains and plateaus. F - elevation Batholiths are often found at the center of ________________ ________________. mountain ranges Batholiths are often found at the center of A. mountain ranges B. ocean basins C. volcanoes D. the earth A T / F Batholiths are often found at the center of ocean basins. F - mountain ranges ________________ mountains are the most common and wide spread type. geosynclinal ________________ mountains are the most common and wide spread type. A. fault B. volcanic C. dome D. geosynclinal D T / F Volcanic mountains are the most common and wide spread type. F - geosynclinal The mountain type usually found isolated from other types of mountains is ________________. dome The mountain type usually found isolated from other types of mountains is A. fault B. volcanic C. dome D. geosynclinal C T / F The mountain type usually found isolated from other types of mountains is dome. T The three body parts of a bony fish are ________________, ________________, and ________________. head, trunk, tail Body parts of a bony fish are A. head, trunk, tail B. head, torso, tail C. gills, fins, tail D. scales, fins, tail A T / F The three body parts of a bony fish are head, trunk, and tail. T Alligators and crocodiles are large ________________ found near areas of ________________. reptiles, water Alligators and crocodiles are __________ found near __________. A. reptiles, forests B. amphibians, water C. reptiles, water D. amphibians, plains C T / F Alligators and crocodiles are reptiles found near water. T Amphibians like the ________________ or ________________ have sticky tongues to catch food. frog or toad Amphibians with sticky tongues to catch food are A. salamanders and turtles B. frogs and toads C. frogs and turtles D. lizards and frogs B T / F Lizards are amphibians with sticky tongues to catch food. F - frogs and toads Fish with cartilage skeletons vary in shape and size and live mainly in ________________ water. salt Fish with cartilage skeletons live mainly in ___________ water. A. fresh B. stagnant C. brackish D. salt D T / F Fish with cartilage skeletons live mainly in fresh water. F - salt Frogs and toads hatch from eggs as ________________. tadpoles Frogs and toads change into adults from A. eggs B. tadpoles C. larvae D. babies B T / F Frogs and tadpoles hatch from eggs as tadpoles and eventually change into adults. T Boney fish usually have many slender ________________ in their fins. bones Boney fish usually have many slender __________ in their fins. A. scales B. lines C. bones D. veins C T / F Boney fish usually have many slender bones in their fins. T An adult frog breathes through its ________________ on land and its ________________ in water. lungs, skin Adult frogs breathe through their __________ on land and __________ in water. A. mouth, nose B. lungs, feet C. mouth, tail D. lungs, skin D T / F Adult frogs breathe through their mouths on land and their nose in water. F - lungs and skin The ________________, a reptile, has a body enclosed in a bony covering called a shell. turtle A reptile with its body enclosed in a bony shell is a A. turtle B. newt C. crab D. lobster A T / F Turtles are reptiles which have their body enclosed in a bony shell. T Rattlesnakes are ________________ snakes unlike ring-necked snakes. venomous (poisonous) Unlike ring-necked snakes, rattlesnakes are A. timid B. herbivores C. slow strikers D. venomous D T / F Unlike ring-necked snakes, rattlesnakes are nonvenomous. F - venomous Depending on its age, newts breathe through ________________, ________________, or ________________. gills, lungs, skin Newts, depending on their age, breathe using A. gills, skin, and tail B. skin, tail, and lungs C. gills, lungs and skin D. gills and lungs C T / F Depending on their age, newts use gills, lungs, or their skin to breathe. T The ________________ system brings oxygen into the body and removes carbon dioxide. respiratory Oxygen is brought into the body and carbon dioxide removed by the A. respiratory system B. circulatory system C. skeletal system D. excretory system A T / F The respiratory system brings oxygen into the body and removes carbon dioxide. T The body system which provides for the continuation of life is the ________________ system. reproductive The system which provides for the continuation of life is the A. circulatory system B. excretory system C. reproductive system D. skeletal system C T / F The reproductive system provides for the continuation of life. T The ________________ system changes food into usable substances for the body. digestive The body system which changes food into usable substances is the A. circulatory system B. digestive system C. reproductive system D. respiratory system B T / F The circulatory system changes food into usable substances for the body. F - digestive The system that enables the body to move is the ________________ system. muscular The system which enables the body to move is the A. skeletal system B. reproductive system C. digestive system D. muscular system D T / F The system which allows the body to move is the skeletal system. F - muscular The ________________ system provides the force and channels for the distribution of blood. circulatory The system which provides the force and channels for the distribution of blood is the A. muscular system B. circulatory system C. digestive system D. reproductive system B T / F The circulatory system provides the force and channels for the distribution of blood. T The system which supports the body and gives it shape is the ________________ system. skeletal The system which supports the body and gives it shape is the A. digestive system B. reproductive system C. skeletal system D. circulatory system C T / F The skeletal system supports the body and gives it shape. T The ________________ is a muscular organ that pumps blood. heart The muscular organ that pumps blood through the body is the A. kidney B. lung C. liver D. heart D T / F The kidney is the muscular organ which pumps blood through the body. F - heart The system that removes wastes from the body is the ________________ system. excretory The system that removes wastes from the body is the A. excretory system B. muscular system C. circulatory system D. reproductive system A T / F The excretory system removes wastes from the body. T An ________________ ________________ excretes hormones directly into the bloodstream. endocrine gland The object which excretes hormones directly into the bloodstream is A. the kidney B. the skeleton C. the skin D. an endocrine gland D T / F An endocrine gland excretes hormones directly into the bloodstream. T The ________________ provides protection, sensory reception, and the regulation of temperature. skin Body protection, sensory reception, and temperature regulation is provided by the A. liver B. brain C. skin D. heart C T / F The brain provides the body protection, sensory reception, and temperature regulation. F - skin Some mammals develop special characteristics that help them adapt to their ________________. environment Some mammals develop special characteristics that help them adapt to their A. environment B. mates C. food D. none of the above A T / F Some mammals develop special characteristics to help them adapt to their environment. T Animals with pouches, such as the opossum, wombat, and kangaroo, are called ________________. marsupials Animals with pouches, such as the opossum, wombat and kangaroo, are called A. meat eating B. primates C. marsupials D. rodents C T / F Animals with pouches, such as the opossum, wombat, and kangaroo are called marsupials. T The hoof of an animal can be classified as either ________________ or ________________ depending on the number of toes. odd even The hoof of an animal can be classified as either ________________ or ________________ depending on the number of toes. A. clawed or blunt B. odd or even C. taloned or flat D. odd or mixed B T / F The hoof of an animal can be classified as either odd or mixed depending on the number of toes. F - odd or even The ________________ are mammals that eat only meat. carnivores Mammals that eat only meat are known as A. herbivores B. omnivores C. prey D. carnivores D T / F Herbivores eat only meat. F - carnivores The largest mammal is the ________________ ________________. blue whale The largest mammal is the A. elephant B. blue whale C. manatee D. whale shark B T / F The largest mammal is the blue whale. T The order ________________ includes lemurs, great apes, and humans. primate Lemurs, great apes, and humans are in the order A. canine B. reptile C. primate D. feline C T / F Lemurs, great apes, and humans are in the order primate. T People have ________________ animals and used them for food, work, and pets. domesticated Animals people have tamed for food, work and pets are known as A. game B. omnivores C. tropical D. domesticated D T / F Animals people have tamed for food, work and pets are known as game mammals. F - domesticated The biome called the ________________ ________________ is where squirrels, dear, and raccoons can be found. deciduous forest Squirrels, dear, and raccoons live in the biome known as the A. deciduous forest B. grasslands C. tundra D. desert A T / F Squirrels, dear, and raccoons live in the biome known as the deciduous forest. T The porcupine's quills and the rhinoceros's horn are modified ________________. hairs The porcupine's quills and the rhinoceros's horn are modified A. bone B. skin C. fur D. hair D T / F The porcupine's quills and the rhinoceros's horn are modified hairs. T Beavers, mice, and squirrels are types of ________________. rodents Beavers, mice, and squirrels are A. carnivores B. felines C. rodents D. marsupials C T / F Beavers, mice and squirrels are types of felines. F - rodents Asian countries produce large amounts of fish and ________________. rice Asian countries produce large amounts of fish and A. rice B. fruits C. vegetables D. meat A T / F Asian countries produce large amounts of fish and rice. T Citrus ________________ are good sources of vitamin C. fruits Good sources of vitamin C are A. white meat B. eggs C. citrus fruits D. green vegetables C T / F Citrus fruits are a good source of vitamin C. T ________________ is often called the 'staff of life'. bread ________________ is often called the 'staff of life'. A. fruit B. bread C. meat D. milk B T / F Fruit is often called the 'staff of life'. F - bread Cattle, hogs, and sheep are commonly used as sources of ________________. meat Cattle, hogs, and sheep are commonly used as sources for A. milk B. clothing C. vitamin C D. meat D T / F Cattle, hogs, and sheep are commonly used as sources of milk. F - meat ________________ and ________________ are kinds of poultry. duck, chicken, etc Examples of poultry are A. chicken and cows B. duck and chicken C. liver and beef D. duck and pork B T / F Ducks and chickens are both examples of poultry. T Cheese, butter, and yogurt are derived from ________________. milk Cheese, butter, and yogurt are derived from A. eggs B. beef C. milk D. cereal C T / F Cheese, butter, and yogurt are derived from milk. T ____________________ are the best sources of iodine. fish The best source of iodine is A. beef B. pork C. eggs D. fish D T / F Eggs are a good source of iodine. F - fish Wheat, converted to ________________, is found in many things of the bread-cereal group. flour Wheat is found in many items of the bread-cereal group after being converted to A. flour B. kernels C. paste D. grains A T / F Wheat, after being converted to flour, is found in many things of the bread-cereal group. T Good eating practices means that eating some raw ________________ and ________________ every day. fruits and vegetables To practice good eating habits, you should eat raw __________ and __________ each day. A. fruits and meat B. eggs and meat C. vegetables and eggs D. fruits and vegetables D T / F Good eating practices include eating raw fruits and eggs every day. F - fruits and vegetables ________________ and ________________ are fruits that are high in fiber. blackberries, peaches Examples of fruits that are high in fiber are A. apples and oranges B. carrots and beans C. blackberries and peaches D. cherries and bananas C T / F Blackberries and peaches are fruits that are high in fiber. T ________________ are evidence of ancient life. fossils Evidence of ancient life is found in A. photographs B. fossils C. story books D. the grocery store B T / F Photographs are evidence of ancient life. F - fossils Eohippus was the first ancestor of the ________________. horse Eohippus was the first ancestor of the A. horse B. dog C. tiger D. dolphin A T / F Eohippus was the first ancestor of the horse. T Reptiles of the Permian period had large ________________ on their backs. fins Permian period reptiles had large __________ on their backs. A. humps B. crinoids C. fins D. conifers C T / F Permian period reptiles had large fins on their backs. T Petrified wood is the fossil remains of ancient ________________. trees Petrified wood is the fossil remains of ancient A. swamps B. houses C. cycads D. trees D T / F Petrified wood is the fossil remains of ancient buildings. F - trees Ancient swamp vegetation helped form the huge ________________ deposits of today. coal Ancient swamp vegetation help form today's huge deposits of A. oil B. coal C. salt D. sand B T / F Ancient swamp vegetation helped form the huge deposits of coal we have today. T ________________ were the first vertebrates to appear. fish The first vertebrates to appear were A. trees B. fish C. dinosaurs D. birds B T / F Fish were the first vertebrates to appear. T The Pteranodon was a large _________________ reptile. flying The Pteranodon was a large reptile which could A. run fast B. climb C. fly D. swim C T / F The Pteranodon was a large swimming reptile. F - flying During the Pleistocene epoch of the Quarternary period, huge sheets of ________________ covered large areas of the world. ice During the Pleistocene epoch of the Quarternary period, large areas of the world were covered by huge sheets of A. ice B. mud C. lava D. water A T / F Huge sheets of ice covered large areas of the world during the Pleistocene epoch of the Quarternary period. T Neanderthal man was the first to be classified by scientists as a ________________ rather than man-ape. man Neanderthal man was the first to be classified by scientists as a ________________ rather than man-ape. A. vertebrate B. mammal C. crinoid D. man D T / F The first to be classified as a man, rather than man-ape, was Neanderthal man. T Stegosaurus was a ________________ with a double row of bony plates on its back. dinosaur With a double row of bony plates on its back, the Stegosaurus was a A. conifer B. crinoid C. dinosaur D. mammal C T / F The Stegosaurus, with a double row of bony plates on its back, was a cycad. F - dinosaur ________________ is the closest star to the earth. the sun The closest star to the earth is A. Sirius B. the sun C. Spica D. Rigel B T / F Rigel is the closest star to the earth. F - the sun Bright areas of the sun closely associated with sunspots are ________________. faculae Bright areas of the sun closely associated with sunspots are A. faculae B. granules C. spicules D. prominences A T / F Faculae are bright areas of the sun closely associated with sunspots. T Jets of gas emitting from the chromosphere are ________________. prominences Jets of gas emitting from the chromosphere are A. faculae B. plages C. prominences D. sunspots C T / F Prominences are huge jets of gas emitting from the chromosphere. T The instrument used to photograph the sun in the light of one element is the ________________. spectroheliograph The instrument used to photograph the sun in the light of one element is the A. radio telescope B. Schmidt telescope C. electron microscope D. spectroheliograph D T / F The Schmidt Telescope is used to photograph the sun in the light of one element. F - spectroheliograph The nuclear process that is dominant on our sun is the ________________ - ________________ cycle. proton-proton The nuclear process cycle that is dominant in our sun is the A. proton-neutron B. proton-proton C. carbon-nitrogen D. helium-nitrogen B T / F The proton-proton cycle is the dominant nuclear process in our sun. T Solar eclipses do not occur at every new moon because _____________________________________ moon orbit is inclined 5 deg Solar eclipses do not occur at every new moon because A. they do not occur in winterB. the moon is sometimes late C. the moon orbit is inclined D. of planetary interference C T / F Solar eclipses do not occur at every new moon because the moon's orbit is inclined 5 degrees. T Solar eclipses are ________________, ________________, and ________________ eclipses. annular, total, partial Solar eclipses are A. annular B. total C. partial D. all of the above D T / F All solar eclipses are partial and follow no real schedule. F - annular, total and partialThe type of eclipse where the umbra extends to the earth's surface is ________________. total The type of eclipse where the umbra extends to the earth's surface is A. total B. annular C. normal D. partial A T / F The type of eclipse where the umbra extends all the way to the earth's surface is normal. F - total The shadow which covers an area of 2,000-3,000 miles during a partial eclipse is the ________________. penumbra The shadow which covers an area of 2,000-3,000 miles during a partial eclipse is the A. umbra B. eclipse path C. sunspot D. penumbra D T / F The penumbra is the shadow which covers an area of 2,000-3,000 miles during a partial eclipse. T A complete shadow is called the ________________. umbra A complete shadow is called the A. annulus B. banding C. umbra D. penumbra C T / F The annulus is a complete shadow. F - umbra The 'payload' is carried in the ________________ ________________ of a rocket. nose cone The 'payload' of a rocket is carried in its A. nose cone B. booster C. cockpit D. igniter A T / F The 'payload' of a rocket is carried in its nose cone. T Ranger crashed on ________________ after photographing its surface. the moon Ranger photographed the surface of __________ and then crashed. A. mars B. venus C. the moon D. the sun C T / F Ranger photographed the surface of the moon before crashing. T ________________ fuel burns from the core outward. solid Fuel that burns from the core outward is A. liquid B. solid C. out of control D. gaseous B T / F Liquid fuel burns from the core outward. F - solid fuel The first successful space shuttle was ________________. Columbia The first successful space shuttle was A. Enterprise B. Challenger C. Atlantis D. Columbia D T / F Enterprise was the first successful space shuttle. F - Columbia The Third Law of Motion: For every ________________ there is an equal and opposite ________________. action, reaction The Third Law of Motion: For every __________ there is an equal and opposite _________. A. action, result B. action, reaction C. push, pull D. pull, push B T / F The Third Law of Motion states that for every action there is an equal and opposite reaction. T The first artificial satellite in space was launched by ________________. Russia The first artificial satellite was launched by A. United States B. China C. Russia D. England C T / F The first artificial satellite in space was launched by Russia in 1957. T E.H. White was the first American to _______________ in space. walk E.H. White was the first American to A. orbit the earth B. launch into space C. walk on the moon D. walk in space D T / F E.H. White was the first American in space. F - Shepard The ________________ is the part of a spacecraft that lands on the moon's surface. LEM (lander) The part of a spacecraft that lands on the surface of the moon is the A. LEM B. command module C. support module D. booster A T / F The LEM (Lunar Excursion Module) is the part of a spacecraft that lands on the moon's surface. T The Viking space probe studied the planet ________________. Mars The Viking space probe studied the planet A. Venus B. Jupiter C. Saturn D. Mars D T / F The Viking space probe studied the planet Jupiter. F - Mars The launch of Sputnik I marked the start of the ________________ ________________. space age The launch of Sputnik I marked the start of the A. industrial revolution B. cold war C. space age D. technology age C T / F The launch of Sputnik I marked the start of the space age. T The layer of gases that surrounds the earth is the ________________ atmosphere The layer of gases that surrounds the earth is the A. ionosphere B. chromosphere C. atmosphere D. stratosphere C T / F The layer of gases that surrounds the earth is the stratosphere. F - atmosphere Snow, sleet, and rain are forms of ________________. precipitation Snow, sleet, and rain are forms of A. westerlies B. humidity C. precipitation D. stratus C T / F Snow, sleet, and rain are forms of precipitation. T A ________________ is the area where two different air masses make contact. front The area where two different air masses make contact is a A. front B. troposphere C. gale D. westerly A T / F A front is the area where two different air masses make contact. T Heat energy from the sun causes water in lakes and rivers to ________________. evaporate Heat energy from the sun causes water in lakes and rivers to A. precipitate B. condense C. erode D. evaporate D T / F Heat energy from the sun causes water in lakes and rivers to condense. F - evaporate The ________________ layer of the atmosphere absorbs the ultraviolet rays in sunlight. ozone The layer of the atmosphere which absorbs ultraviolet rays in sunlight is the ________ layer. A. oxygen B. ozone C. nitrogen D. stratus B T / F The layer of the atmosphere which absorbs ultraviolet rays in sunlight is the oxygen layer. F - ozone When water vapor condenses around dust particles, a ________________ is formed. cloud When water vapor condenses around dust particles, a ________________ is formed. A. doldrum B. cloud C. gale D. westerly B T / F Clouds are formed when water vapor condenses around dust particles. T The unequal heating of land and water areas causes air movements called ________________ and ________________ ________________. land water breezes The unequal heating of land and water areas causes air movements called A. southeast trades B. stratocumulus C. westerlies D. land and water breezes D T / F The unequal heating of land and water areas causes air movements called southeast trades. F - land & water breezes There is always some form of ________________ along a warm or cold front. precipitation Along a warm or cold front there is always some form of A. precipitation B. evaporation C. westerlies D. land breeze A T / F There is always some form of precipitation along a warm or cold front. T The average weather conditions of a place over a long period of time makes up its ________________. climate The average weather conditions of a place over a long period of time makes up its A. rainfall B. cycle C. humidity D. climate D T / F The average weather conditions of a place over a long period of time makes up its climate. T The ________________ ________________ is the continuous process of evaporation, condensation, and precipitation. water cycle The continuous process of evaporation, condensation, and precipitation is known as the A. climate cycle B. weather rotation C. water cycle D. fixed cycle C T / F The continuous process of evaporation, condensation, and precipitation is known as the water cycle. T