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10
×
What are the two factors called shown by the arrows in this image?
Gravity and Inertia
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5
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Think about the relationship between mass and gravity. More mass =???
More Gravity
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10
×
Explain inertia in your own words.
Inertia is a tendency to remain unchanged. Objects in motion keep moving at a constant speed. Objects at rest will stay at rest.
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10
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You have two containers that are the same size. One container is full of rocks. One container is full of feathers. Which container has greater mass?
The container of rocks.
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5
×
Name two factors that keep planets in orbit around the sun.
Gravity and Inertia
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seesaw
Swap points!
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star
Double points!
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fairy
Take points!
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25
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banana
Go to last place!
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5
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Fill in the blank: The greater the distance between objects, the ____________ the force of attraction.
Smaller
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baam
Lose 25 points!
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fairy
Take points!
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rocket
Go to first place!
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lifesaver
Give 15 points!
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10
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Explain what mass is in your own words.
Mass is the amount of matter in an object.
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10
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Why is the moon affected by Earth's gravity more than by the Sun's gravitational pull?
Because the Moon is much closer to the Earth.
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thief
Give points!
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25
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fairy
Take points!
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gift
Win 10 points!
Okay!
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thief
Give points!
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10
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Explain gravity in your own words.
Gravity is the force that pulls objects toward each other.
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15
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Explain orbital motion in your own words. (Orbital motion is what planets orbiting the sun is called.)
Orbital motion is when an object is moving forward (inertia) and at the same time is pulled by gravity towards an object.
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baam
Lose 25 points!
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seesaw
Swap points!
Okay!
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fairy
Take points!
5
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15
20
25
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thief
Give points!
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25
10
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What is the reason the Earth revolves around the Sun instead of falling into it?
Inertia
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5
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Which object in our solar system has the greatest gravitational force?
Sun
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