Science Pre/Post Test

TestID 56851 Science Pre/Post Test

Name: ______Class: ______Date: ______1. The outermost layer of the Earth is ______. A. core B. fault C. crust D. mantle

2. The middle layer of the Earth is ______. A. core B. fault C. crust D. mantle

3. Which of the following lists the largest planet and the smallest planet in our solar system? A. Jupiter, Earth B. Jupiter, Pluto C. Mercury, Pluto D. Jupiter, Mercury

4. Which of the following planets is closer to Earth than Jupiter? A. Mars B. Uranus C. Saturn D. Neptune TestID 56851 5. Amanda looked out her window at night and saw this:

About an hour later, she looked out the window again, and saw this:

What happened? A. The stars moved. B. The Earth moved. C. Gravity pulled on the stars. D. Gravity pushed on the stars. TestID 56851 6. Andrew walked outside his house at 9 o'clock in the morning. He could see the sun over the hill.

Andrew walked outside his house again at noon. This time, he saw that the sun was over his head.

What happened? A. The sun was moving around the earth. B. The sun moved out of the way of the moon. C. The earth had moved, so the sun seemed to move. D. It must have been summer because the sun was over his head.

7. What does the plant part shown in this picture do?

A. It makes seeds. B. It makes food. C. It holds the plant upright. D. It holds the plant in the ground. TestID 56851 8. Which of the following carries pollen from one plant to another? A. sun B. wind C. roots D. stems

9. Look at the picture and then answer the question.

What is the volume of the marble? A. 2mL B. 3mL C. 5mL D. 8mL TestID 56851 10. Which of these has the greatest volume? A.

11. ______objects are the best at conducting heat. A. Plastic B. Wood C. Glass D. Metal TestID 56851 12. Kim pushed a ball across the floor. It moved like this:

If Kim had pushed the ball with half as much force, which picture shows how the ball would have moved? A.

13. Which job would be best done by a wedge? A. slicing an onion B. lifting a bucket C. pulling a box D. moving a rock TestID 56851 14. An inclined plane would help you ______. A. cut a piece of paper B. lift a bucket straight up C. move a rock across the street D. climb to the top of a house

15. Which of the following is a lever? A.

D. TestID 56851 16. Joe's family is moving to a new house. Joe's dad needs to get their furniture into the back of the moving van. The back of the moving van is four feet high. Which inclined plane would make it easiest to lift the furniture into the moving van? A.

17. This truck is used to lift and tow heavy objects.

Which simple machine is working at point B? A. a lever B. a pulley C. a wheel and axle D. an inclined plane TestID 56851 18. When you push down on one pedal of a bicycle, the other pedal pushes up.

The pedals on a bicycle work like which simple machine? A. a wedge B. an inclined plane C. a lever D. a wheel and axle TestID 56851 19.

According to the thermometer, what is the temperature? A.

D. 30⁰ TestID 56851 20. Which picture shows the correct location of the sun? A.

D. TestID 56851 21. While camping, Tom walked into a dark cave. He set a lantern on the ground of the cave and lit it.

What will the light hit? A. Tom, X, Y, and Z B. Tom and Y C. X and Z only D. Z only

22. Horse and buggy is to automobile as: A. toothpaste is to toothbrush. B. leaf is to tree. C. outhouse is to indoor toilet. D. astronaut is to rocket.

23. ______is a scientific advancement in the area of communication. A. telegraph B. email C. morse code D. letter writing TestID 56851 24. The diagram below shows the order of the nine planets in our solar system.

Which planet is shown by the arrow? A. Earth B. Saturn C. Uranus D. Jupiter

25. Nathan saw three bright stars in the sky at 7:30 P.M.

At 10:00 P.M. the three stars were no longer there. Why not? A. It was too dark. B. The moon was not out. C. The stars had moved. D. The earth had moved. TestID 56851 26. Maria saw the sun through the kitchen window in the morning.

In the afternoon, she could NOT see the sun through the window. Why not? A. The clouds had moved. B. The sky had moved. C. The earth had moved. D. The sun had moved.

27. What does the leaf of the plant do? A. It make food. B. It holds the plant in the ground. C. It makes seeds. D. It holds the plant upright. TestID 56851 28.

What is the volume of the nail? A. 1 mL B. 2 mL C. 3 mL D. 4 mL TestID 56851 29. Which of these cans has the greatest volume? A.

30. Which of the following will conduct heat the best? A. a wool sweater B. a metal wire C. a tree branch D. a glass cup TestID 56851 31. Frank kicked a soccer ball and it moved like this:

If Frank had kicked the soccer ball with twice as much force, which picture best shows how the soccer ball would have moved? A.

32. In which example is work being done by wedge? A. turning a doorknob B. holding a pencil C. pulling a wagon D. splitting a piece of wood TestID 56851 33. Which of these jobs would best be done using a pulley? A. lowering a bucket into a well B. splitting a wooden log in half C. climbing up to the top of a house D. moving a large box over the ground

34. Patricia is carrying boxes off a truck. The bottom of the truck is three feet from the ground. Which of the following inclined planes will make her job the easiest? A.

D. TestID 56851 35. When using a pair of scissors, which two simple machines are at work?

A. a lever and two pulleys B. a lever and two wedges C. an axle and two pulleys D. an axle and two levers

36. Jack put thermometers in four different rooms in his house.

Which room is the coldest? A. room 1 B. room 2 C. room 3 D. room 4 TestID 56851 37. A cow is standing in a field when the sun is straight above it in the sky. Which picture shows where the shadow of the cow would be? A.

D. TestID 56851 38. Look at the diagram and then answer the question.

After the light ray from the flashlight is relfected off the mirror, which target will it hit? A. 1 B. 2 C. 3 D. 4

39. Which of the following reflects light the best? A. something clear B. something shiny C. something hot D. something smooth

40. What color of light do you get when you combine all colors? A. red light B. white light C. blue light D. black light TestID 56851 41. Typewriter is to computer as: A. wind is to snow. B. disease is to vaccine. C. water is to glass. D. pencil is to paper.

42. A scientific advancement in the area of sanitation is ______. A. washing dishes B. outhouse C. recycling D. burning garbage

43. In a plant, using solar energy, carbon dioxide, and water produces . A. roots food B. stems C. roots D. petals

44. In Rory's town, there was a decrease in ospreys, a type of bird that eats fish. People built nests around town, and many ospreys returned. How might having more ospreys in the area change the enviroment in Rory's town? A. There will be fewer fish. B. There will be more people. C. There will be fewer insects. D. There will be fewer people.

45. Wolves eat deer in the forest. How do wolves help the forest enviroment? A. They kill all of the deer so that none are left. B. They make sure that deer don't move to other areas. C. They stop humans from taking the deer for themselves. D. They stop the deer population from and overcrowding the forest. TestID 56851

46. A bar of a mystery metal is melted and flattened into a thin sheet:

Which of the following is true? A. The metal in the sheet will now weigh less than when it was in the bar. B. If the metal in the bar can conduct electricity, the sheet will also conduct electricity. C. Once the metal in the bar is melted and flattened, it will be harder to bend. D. Once the metal bar is melted and flattened, it cannot be melted again.

47. What happens as the water in this fish tank gets colder?

A. The temperature will change the color of the water. B. There will be less water in the fish tank. C. The temperature on the thermometer will go decrease. D. The temperature on the thermometer will rise. TestID 56851 48. On sunny days in Pilar's house, the sun shines into half of the front window.

Which of the following will most likely be true? A. The part of the couch in the shade will be warmer than the part in the sun. B. The part of the couch in the shade will get wet. C. The part of the couch in the sun will get wet. D. The part of the couch in the shade will be cooler than the part in the sun. TestID 56851 49. Look at the diagram and then answer the question.

After the light ray from the flashlight is reflected off the mirror, which target(s) will it hit? A. 1 B. 2 C. 3 D. 4

50. What happens to white light when it travels through a prism? A. It gets absorbed by the prism. B. It reflects back as a white light. C. It separates into different colors. D. It gets brighter as it goes through.

51. In an environment, coyotes and badgers eat the same rodents. The population of coyotes has increased. What will happened to the population of badgers? A. The population of badgers will decrease. B. The population of badgers will increase. C. The population of badgers will stay the same. D. The population of badgers will become extinct. TestID 56851 52. Plants produce food by using . A. heat energy, carbon dioxide, and soil B. solar energy, oxygen, and soil C. heat energy, oxygen, and water D. solar energy, carbon dioxide, and water

53. Bark beetles feed on trees. Which of the following would most likely occur if there were bark beetles living in a forest? A. They might damage or kill trees in the forest. B. They might cause the birds in the forest to die. C. They could help the flowering plants reproduce. D. They could put more nutrients into the soil, helping the trees grow.

54. Which of the following is true?

Paperclip Straightened Paperclip A. If the paperclip can conduct electricity the straightened paperclip will too. B. The paperclip will now weigh less than the straightened paperclip. C. Once the paperclip is straightened the color of the paperclip will change. D. The density of the straightened paperclip is more than the paperclip. TestID 56851 55. Mrs. Smith has a thermometer on her garden wall.

As the sunshine makes the wall warmer during the day, what will happen? A. The temperature on the thermometer will go down. B. The temperature on the thermometer will stay the. same C. The thermometer will get as hot as the sun. D. The temperature on the thermometer will go up. TestID 56851 56. Jaya went inside her house, but she left her dry beach towel outside. While she was gone, a shadow from the wall fell on part of it.

What will Jaya notice when she comes back to the towel? A. The part of the towel that is in the sun will be cooler than the part that is in the shadow. B. The part of the towel that is in the sun will be warmer than the part that is in the shadow. C. The part of the towel that is in the sun will be drier than the part that is in the shadow. D. The part of the towel that is in the sun will be wetter than the part that is in the shadow.

57. Which statement is true about light? A. Light moves in straight lines. B. Light comes in only one color. C. Light weighs more than air. D. Light goes through all objects.

Both of Sam's dogs, shown below, are going to have puppies.

TestID 56851 58. Which of the following will most likely be true about the puppies? A. Toy's puppies will all be girls. B. Toy's puppies will bark more than Buffy's puppies. C. Buffy's puppies will grow taller than Toy's puppies. D. Buffy's puppies will be more playful than Toy's puppies.

59. Which of the following is a trait that you get from your parents without having to learn it? A. swimming B. eye color C. riding a bicycle D. brushing your hair

60. Last year, Talia planted strawberries in her garden. She had to put a fence around the garden because turtles kept eating the strawberries. This year, she did not put up a fence, but there were no turtles in her garden. What most likely caused the turtles to stay away? A. The turtles were no longer hungry. B. The turtles do not like to come out this time of year. C. The turtles are older this year and eat different foods. D. This year, she did not plant strawberries in her garden.

61. Near the shore of a bay, small fish come to feed on the algae that grows on the rocks. Birds that eat the fish have learned that when there is a lot of algae on the rocks, more fish will begin to swim closer to shore, making it easier for the birds to catch them. Which of the following would cause the birds to look somewhere else for food? A. fewer birds at the bay B. fewer fish in the water C. more rocks on the shore D. more algae on the rocks TestID 56851 62. Mosquitoes hatch in lakes when the weather is warm. Bats that eat flying insects come to live near lakes so they can catch mosquitoes easily. Which of the following would cause more mosquitoes to hatch? A. less water in the area B. fewer bats in the area C. more bats eating the mosquitoes D. more lakes in warm weather areas

63. ______are organisms that get energy from dead plants and animals. A. Predators B. Producers C. Consumers D. Decomposers

64. Hawks eat sparrows and sparrows eat seeds. Which of the following are predators? A. hawks only B. sparrows only C. hawks and sparrows D. sparrows and seeds

65. Which of the following is a producer? A. a human B. a flower C. a housefly D. a whale

66. Foxes eat frogs and frogs eat insects. Which of the following are prey? A. frogs only B. foxes only C. foxes and frogs D. frogs and insects TestID 56851

67. ______are organisms that get energy directly from the sun. A. Producers B. Predators C. Consumers D. Decomposers

68. Tessa is eight years old and has black hair and brown eyes. Which of the following is most likely a trait she got from her parents? A. her age B. her eye color C. she can ski D. she can read

69. Which of the following is a trait that this lamb got from its parents? A. It likes to play. B. It has curly fur. C. It is one month old. D. It has one brother.

The chart below shows three years worth of information from a beach where flamingos lay their eggs.

TestID 56851

70. Which of the following best explains why fewer flamingos are coming to lay eggs on this beach each year? A. The air is getting colder each year. B. The water is getting hotter each year. C. Flamingos cannot lay eggs when it is hot. D. Flamingos only come to the beach in the spring.

71. The male part of a plant is the . A. leaf B. stamen C. pistil D. pollen

72. The female part of a plant is the . A. pistil B. stamen C. pollen D. leaf