2. First semester

3. Wind speed2 miles per hour Temperature88 F Chance of precipitationLow Based on the table, the weather most likely is ______________. A.SunnyB windyC. cloudy

4. Wind speed2 miles per hour Temperature88 F Chance of precipitationLow Based on the table, the weather most likely is ______________. A.SunnyB windyC. cloudy

5.  2. Which is a quantitative observation?  A. The bird can fly 15 miles per hour.  B. The bird has 2 wings.  C. The bird is yellow.  D. The bird lives in a nest.

6.  2. Which is a quantitative observation?  A. The bird can fly 15 miles per hour.  B. The bird has 2 wings.  C. The bird is yellow.  D. The bird lives in a nest.

7.  3. Which uses electricity for sound energy?  A. drum  B. toaster  C. radio  D. light bulb

8.  3. Which uses electricity for sound energy?  A. drum  B. toaster  C. radio  D. light bulb

9.  4. What happens when an electric doorbell is pushed?  A. A circuit is opened.  B. The sound of the bell becomes weaker.  C. Electricity is converted into sound.  D. A string connected to the bell is pulled.

10.  4. What happens when an electric doorbell is pushed?  A. A circuit is opened.  B. The sound of the bell becomes weaker.  C. Electricity is converted into sound.  D. A string connected to the bell is pulled.

11.  5. Which transforms electrical energy into light energy?  A. fan  B. fire  C. hair dryer  D. flashlight

12.  5. Which transforms electrical energy into light energy?  A. fan  B. fire  C. hair dryer  D. flashlight

13.  6. Which items can you use to create a parallel circuit?  A. battery, nail, stick  B. battery, light bulb, wire  C. light bulb, nail, wire

14.  6. Which items can you use to create a parallel circuit?  A. battery, nail, stick  B. battery, light bulb, wire  C. light bulb, nail, wire

15.  7. What will cause a light to turn off?  A. open the switch  B. close the switch

16.  7. What will cause a light to turn off?  A. open the switch  B. close the switch

17.  8. What happens if you disconnect a wire in a series circuit?  A. The light will stay lit  B. The light will go out

18.  8. What happens if you disconnect a wire in a series circuit?  A. The light will stay lit  B. The light will go out

19.  9. One light bulb on my tree is broken. None of the others will light either. What type of circuit is it?  A. Parallel  B conductor  C. insulator  D. Series

20.  9. One light bulb on my tree is broken. None of the others will light either. What type of circuit is it?  A. Parallel  B conductor  C. insulator  D. Series

21.  10. One light bulb on my tree is broken. All of the others are still lit. What type of circuit is it?  A. parallel  B. conductor  C. insulator  D. series

22.  10. One light bulb on my tree is broken. All of the others are still lit. What type of circuit is it?  A. parallel  B. conductor  C. insulator  D. series

23.  11. How can you magnetize an iron nail?  A. convection  B. solar energy  C. gravity  D. electrical currents

24.  11. How can you magnetize an iron nail?  A. convection  B. solar energy  C. gravity  D. electrical currents

25.  12. What material could replace wires in a simple circuit in order to complete the circuit?  A. glass rod  B. wooden block  C. Metal rod  D. plastic foam

26.  12. What material could replace wires in a simple circuit in order to complete the circuit?  A. glass rod  B. wooden block  C. Metal rod  D. plastic foam

27.  13. Magnets have north and south poles. If you put two north poles together, the magnets will  A. repel  B. Attract

28.  13. Magnets have north and south poles. If you put two north poles together, the magnets will  A. repel  B. Attract

29.  14. What can make an electromagnet stronger?  A. Breaking the metal core  B. Making more loops of wire

30.  14. What can make an electromagnet stronger?  A. Breaking the metal core  B. Making more loops of wire

31.  15. In a _________________ circuit, electricity flows in one sequential path.

32. Series

33.  16. In a _________________ circuit, electricity flows in more than one path.

34. Parallel

35.  17. Sam wanted to know which brand of batteries lasted the longest. He bought three different brands and put them in three different kinds of flashlights. He turned on the flashlights and left them on until only one continued to work. He concluded that the flashlight that was still working had the best brand of battery. What could he have done to make this a fair test?  A. He should have used the same brand of battery.  B. He should have used the same kind of flashlights.  C. He should have only used 2 batteries and 2 flashlights.

36.  17. Sam wanted to know which brand of batteries lasted the longest. He bought three different brands and put them in three different kinds of flashlights. He turned on the flashlights and left them on until only one continued to work. He concluded that the flashlight that was still working had the best brand of battery. What could he have done to make this a fair test?  A. He should have used the same brand of battery.  B. He should have used the same kind of flashlights.  C. He should have only used 2 batteries and 2 flashlights.

37.  18. What color absorbs the most light?  A. blue  B. yellow  C. black  D. red

38.  18. What color absorbs the most light?  A. blue  B. yellow  C. black  D. red

39.  19. Which process forms clouds, fog, and dew?  A. evaporation  B. condensation  C. precipitation  D. run-off

40.  19. Which process forms clouds, fog, and dew?  A. evaporation  B. condensation  C. precipitation  D. run-off

41.  20. Which is translucent?  A. construction paper  B. clear plastic  C. waxed paper  D. aluminum foil

42.  20. Which is translucent?  A. construction paper  B. clear plastic  C. waxed paper  D. aluminum foil

43.  21. What makes clouds form?  A. dry air  B. water vapor rises and cools  C. wind blowing  D. high temperatures

44.  21. What makes clouds form?  A. dry air  B. water vapor rises and cools  C. wind blowing  D. high temperatures

45.  22. What determines the type of precipitation that falls?  A. Type of clouds in the sky  B. Electricity in the air  C. temperatures near the ground  D. brightness of sunlight

46.  22. What determines the type of precipitation that falls?  A. Type of clouds in the sky  B. Electricity in the air  C. temperatures near the ground  D. brightness of sunlight

47.  23. What is the process called when rain falls out of clouds?  A. Condensation  B. evaporation  C. precipitation  D. run-off

48.  23. What is the process called when rain falls out of clouds?  A. Condensation  B. evaporation  C. precipitation  D. run-off

49.  24. Which type of cloud is made of ice crystals?  A. cumulus  B. cirrus  C. stratus

50.  24. Which type of cloud is made of ice crystals?  A. cumulus  B. cirrus  C. stratus

51.  25. Where is the safest place to be during a lightning storm?  A. in a bathtub  B. in a windowless room  C. near a fireplace  D. near a refrigerator

52.  25. Where is the safest place to be during a lightning storm?  A. in a bathtub  B. in a windowless room  C. near a fireplace  D. near a refrigerator

53.  26. What happens when light strikes a mirror?   A. the light reflects  B. the light curves  C. the light is absorbed  D. the light bends

54.  26. What happens when light strikes a mirror?   A. the light reflects  B. the light curves  C. the light is absorbed  D. the light bends

55.  27. Which item does light go through?  A. desk  B. floor  C. window  D. mirror

56.  27. Which item does light go through?  A. desk  B. floor  C. window  D. mirror

57.  28. What does run-off mean?  A. water falls from clouds  B. water flows over land into lakes and streams  C. water changes into water vapor  D. water freezes

58.  28. What does run-off mean?  A. water falls from clouds  B. water flows over land into lakes and streams  C. water changes into water vapor  D. water freezes

59.  29. Which instrument measures wind direction?  A. anemometer  B. thermometer  C. weather vane  D. rain gauge

60.  29. Which instrument measures wind direction?  A. anemometer  B. thermometer  C. weather vane  D. rain gauge

61.  30. Which instrument does a meteorologist need?  A. telescope  B. microscope  C. thermometer  D. prism

62.  30. Which instrument does a meteorologist need?  A. telescope  B. microscope  C. thermometer  D. prism

63.  31. My glass of water was full when I left the house this morning. When I returned, I found that the amount of water in my glass had dropped. Why?  A. condensation  B. evaporation  C. precipitation  D. run-off

64.  31. My glass of water was full when I left the house this morning. When I returned, I found that the amount of water in my glass had dropped. Why?  A. condensation  B. evaporation  C. precipitation  D. run-off

65.  32. Which weather observation is a qualitative observation?  A. cloudy skies  B. wind speed of 20mph  C. temperature of 85F  D. winds are from the east

66.  32. Which weather observation is a qualitative observation?  A. cloudy skies  B. wind speed of 20mph  C. temperature of 85F  D. winds are from the east

67. Day Morning temperature Afternoon temperature Monday67 F64 F Tuesday34 F57 F Wednesday45 F Thursday68 F64 F 33. Which day shows a temperature increase?

68. Day Morning temperature Afternoon temperature Monday67 F64 F Tuesday34 F57 F Wednesday45 F Thursday68 F64 F 33. Which day shows a temperature increase?

69.  34. When you look at a pencil in water from the side of a cup, it appears bent or broken. This is an example of _________________.  A. reflection  B. transparency  C. opaqueness  D. refraction

70.  34. When you look at a pencil in water from the side of a cup, it appears bent or broken. This is an example of _________________.  A. reflection  B. transparency  C. opaqueness  D. refraction

71.  35. Which type of material absorbs most of the light that strikes it?  A. translucent  B. transparent  C. opaque

72.  35. Which type of material absorbs most of the light that strikes it?  A. translucent  B. transparent  C. opaque

73.  36. What object separates white light into the spectrum?  A. prism  B. flashlight  C. window  D. magnifying glass

74.  36. What object separates white light into the spectrum?  A. prism  B. flashlight  C. window  D. magnifying glass