7th Grade Science – 1st Semester Exam Review



Name:__________________________ Parent Signature (for bonus points):________________________

7th Grade Science – 1st Semester Final Review (due Monday 12/18)

A. Scientific Method Notes & page NOS 21 (in the front of the book)

1. What is an independent variable?

2. What is a dependent variable?

Scenario: Ms. Cates wanted to see which type of review would result in the highest test score. She gave ½ of her classes a worksheet review and ½ of her classes a game review. Ms. Cates then compared the scores on the test to see which classes scored the highest.

3. What is the independent variable for the above scenario?

4. What is the dependent variable for the above scenario?

B. Metric System Notes & page NOS 12 (in the front of the book)

5. What are observations made using the 5 senses and describe what something is like?

6. What are observations made using measuring tools and given in numbers?

C. Matter Notes & Properties of Matter Notes & pages 10-16 and 41-56

Draw a picture showing the molecular arrangement of each of the states of matter below:

7. Solid-

8. Liquid-

9. Gas-

Figure 1.

10. What is the volume of the object in Figure 1?

11. What is density?

12. Which object below has the highest density (A, B, or C)?

[pic]

13. Identify the following as either a chemical or physical change:

A. Chopping wood _____________________________

B. Iron rusting_____________________________

C. Dissolving sugar in water_________________________________

14. Identify the following as a mixture, solution, element or compound:

A. Soda_____________________________

B. Hydrogen peroxide (HO) _______________________________

C. Salad_____________________________

D. Oxygen _________________________

D. Forces Notes & page 85-86

15. What is gravity?

16. What two factors affect the gravity between two objects?

E. Energy Notes & pages 109-111

17. What type of energy is energy in motion or energy that is being used?

18. What type of energy is stored energy or energy that is not being used?

F. Seasons & Phases Notes & pages 355-361

19. What 2 things cause seasons to occur on Earth?

20. What is the spinning of an object on its axis, causes day and night?

21. What is the movement (or obit) or one object in space around another object, causes years on Earth?

22. Identify the Seasons and Solstice or Equinox occurring at each point in Earth’s revolution around the sun.

A.__________________________________________________

B. __________________________________________________

C.__________________________________________________

D.__________________________________________________

23. Why is the same side of the moon always facing Earth?

24. What force causes planets to orbit their sun and moons to orbit their planets?

25. Give a definition for the following terms that are used to describe lunar phases.

A. Waxing-

B. Waning-

C. Gibbous-

D. Crescent-

26. Label the following phases of the moon:

|1 |2 |3. |4 |

|5 |6 |7 |8 |

27. Draw the positions of the sun, earth, and moon during a solar eclipse and lunar eclipse.

Solar Eclipse Lunar Eclipse

28. What is an Umbra and how does it relate to a lunar eclipse?

G. Solar System Notes & pages 365-369 and 373-376

29. Put these structures in order from larges to smallest – universe, solar system, planet, and galaxy:

30. What are the 4 Inner planets in our solar system made of?

31. What are the 4 Outer planets in our solar system made of?

32. What is the order of the planets from the Sun outward?

33. What are stars made of?

H. Weather Notes & pages 390 and 443-444

34. What is weather?

35. List and describe the 6 variables which affect weather from your notes

a.

b.

c.

d.

e.

f.

36. Which 2 type of clouds produce precipitation?

37. Describe each type of cloud:

a. Stratus:

b. Cumulus:

c. Cirrus

38. Describe how clouds form using the terms precipitation, evaporation and condensation.

I. Atmosphere Flip Book & and 425-430

39. Which layer of the atmosphere is most dense & which is least dense?

40. Label the layers of the atmosphere:

A.

B.

C.

D.

41. Which layer of the atmosphere contains the ozone layer?

J. Weather Pattern Notes & 397-402 & 443-446

42. Label the following diagram with the North American air masses (Continental Polar, Continental Tropical, Maritime Polar, or Maritime Tropical) and identify each as moist or dry & cool or warm. (page 398)

[pic]43. What is air pressure?

44. What happens to air pressure as you go up in altitude?

45. Which type of weather system does Figure 2 illustrate? Figure 2.

46. Predict the type of weather would you expect in Moore Oklahoma if the area was experiencing the weather system in Figure 2.

Figure 3.

47. Predict what you would expect the temperature and moisture to be like in the north central United States (North Dakota etc.) due to the air mass at A in Figure 3.

Figure 4.

48. What type of front does Figure 4 depict?

49. Predict what the weather would be like in an area that is experiencing the front in Figure 4.

Figure 5.

50. What type of front is depicted at point B in Figure 5?

51. Which direction is the front at point A in Figure 5 moving?

52. Predict what type of weather is likely to occur at point B in Figure 4 over the next 24 hours.

53. How do winds form?

54. What are sea breezes?

55. Draw a picture showing how sea breezes form:

56. What are land breezes?

57. Draw a picture showing how land breezes form:

K. Ocean Currents Notes & pages 485-489

58. What are ocean currents?

59. What two factors contribute to the density differences forming deep water currents?

60. What are three things that currents help to transport?

61. Define each of the following:

a. salinity

b. ocean current

c. gyre

d. Coriolis effect

e. upwelling

-----------------------

100 mL

80 mL

F.

[pic]

A.

C.

B.

E.

D.

B

A

Warm air

Cold air

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