10 When the Northern Hemisphere is tilted away from the Sun it experiences (spring) (summer) (winter)
winter
6 What is the pathway of a planet around the Sun called (axis) (orbit) (solstice)
orbit
15 During an equinox the Sun is directly over the (North Pole) (South Pole) (equator)
equator
1 What is the imaginary line that passes through Earth from the North Pole to the South Pole (orbit) (axis) (gravity)
axis
3 What movement of Earth causes the four seasons (rotation) (revolution) (inertia)
revolution
17 According to Newton’s law of universal gravitation every object in the universe (repels every other object) (attracts every other object) (moves randomly)
attracts every other object
13 What is a solstice (day and night are equal) (Earth stops rotating) (a hemisphere is most tilted toward or away from the Sun)
a hemisphere is most tilted toward or away from the Sun
9 When the Northern Hemisphere is tilted toward the Sun it experiences (winter) (summer) (autumn)
summer
16 What force keeps Earth and the Moon in orbit (light) (gravity) (air resistance)
gravity
12 What happens near the poles during summer (continuous darkness) (continuous daylight) (short days)
continuous daylight
5 How long does Earth take to complete one revolution around the Sun (24 hours) (365 ¼ days) (30 days)
365 ¼ days
19 What is the tendency of an object to resist a change in motion called (gravity) (inertia) (rotation)
inertia
2 What movement of Earth causes day and night (revolution) (rotation) (gravity)
rotation
11 What happens near the poles during winter (continuous daylight) (continuous darkness) (equal day and night)
continuous darkness
14 What is an equinox (the Sun disappears) (day and night are equal) (gravity becomes weaker)
day and night are equal
8 What is the tilt of Earth’s axis (45°) (23.5°) (90°)
23.5°
18 What happens to gravity as distance between objects increases (gravity increases) (gravity decreases) (gravity stays the same)
gravity decreases
7 Why do we have seasons on Earth (Earth changes speed) (Earth’s axis is tilted and Earth revolves around the Sun) (the Moon moves closer)
Earth’s axis is tilted and Earth revolves around the Sun
20 On the Moon your weight would be about how much compared to Earth (the same) (twice as much) (one sixth as much)
one sixth as much
4 How long does Earth take to complete one rotation (24 hours) (365 days) (12 hours)
24 hours
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