7th Grade Science – 1st Semester Final Review ANSWER KEY
1. What you change or manipulate
2. The outcome you observe or measure
3. Type of review
4. Test scores
5. Qualitative
6. Quantitative
7.
8.
10. 20 mL
9.
11. The amount of mass per volume in a given substance or object
12. Object C
13.
A. physical change
B. chemical change
C. physical change
14.
A. solution
B. compound
C. mixture
D. element
15. Electron
16. Proton
17. Neutron
18. An attractive force that exists between all objects that have mass
19. Mass and distance
20. Kinetic
21. Potential
22. Troposphere - most dense; Exosphere - least dense
23.
A. Thermosphere
B. Mesosphere
C. Stratosphere
D. Troposphere
24. Stratosphere
25. Nimbostratus & Cumulonimbus
26. Stratus
27. Air pressure
28. Winds
29. The movement of wind and water to the right or left that is caused by Earth's rotation
30.
31.
A. Continental Polar - cool and dry
B. Maritime Polar - cool and moist
C. Maritime Polar - cool and moist
D. Maritime Tropical - warm and moist
E. Maritime Tropical - warm and moist
F. Continental Tropical - warm and dry
32. A cold front occurs and will likely form stormy weather
33.
A. Polar
B. Temperate
C. Tropical
34. Temperate
35. Tilted axis and revolution (orbit) around Sun
36. Rotation
37. Revolution
38.
A. Spring, Equinox
B. Summer, Solstice
C. Fall, Equinox
D. Winter, Solstice
39. It revolves around Earth and rotates on its axis at the same rate
40. Gravity
41.
A. growing
B. shrinking
C. more than 1/2 lit
D. less than 1/2 lit
42.
(1) new moon
(2) waxing crescent
(3) 1st quarter
(4) waxing gibbous
(5) full moon
(6) waning gibbous
(7) 3rd quarter
(8) waning crescent
43.
(1) new moon
(2) waxing crescent
(3) 1st quarter
(4) waxing gibbous
44.
Solar Eclipse
(5) full moon
(6) waning gibbous
(7) 3rd quarter
(8) waning crescent
Lunar Eclipse
45. It is the darkest part of a shadow, the moon experiences a total lunar eclipse when it moves into Earth's umbra
46. universe, galaxy, solar system, planet
47. Rock and metal
48. Gas
49. Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune
50.
A. Flybys - Spacecraft sent that gathers data as it passes by one or more planets or other bodies in space without
orbiting them
B. Orbiters - Spacecraft orbits a planet over a long period of time creating a detailed map of the planet
C. Landers & Probes - Instruments designed to analyze the properties of the atmosphere and surface of a planet
51. Hydrogen
52. Spiral Galaxy