What is gravity?

• Air we breathe.

• Gravity is the force by which a planet or other body draws objects toward its center. The force of gravity keeps all of the planets in orbit around the sun.

• Newton

• The atmosphere's pollutants.

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How does gravity affect our solar system?

• Gravity is dirt in the black hole.

• Gravity is what holds the planets in orbit around the sun and what keeps the moon in orbit around Earth.

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What keeps you and other objects on Earth  when you jump and throw things?

• an invisible force that pulls objects toward each other.

• pressure

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How did Albert Einstein describe gravity? 

• described gravity as a curve in space that wraps around an object—such as a star or a planet. 

• Gravity is a circular object.

 Where does gravity come from?

• Underground

• Earth's gravity comes from all its mass.  

What objects have more gravity?

• Earth's gravity

• Objects with more mass have more gravity.

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How does distance influence gravity?

• gets stronger with distance.

• gets weaker with distance.

What does weight come from

• Eating fattening food

• all the liquid in your body.

• mass makes a combined gravitational pull on all the mass in your body.

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If you were standing on Mars, which is a smaller planet than Earth, why  would you have less weight?

• if you were on a planet with less mass than Earth, you would weigh less than you do here.

• if you were on a planet with greater mass than Earth, you would weigh less than you do here.

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Why does Earth have a larger gravitational pull than you?

• Earth is so much more massive than you, your force doesn’t really have an effect on our planet.

• Earth is so much smaller than you, your force does really have an effect on our planet.

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