Gravity Review

Which is NOT overcoming gravity?

• a table holding up plate

• a bike moving down a ramp

• a counter holding up a toaster

• a shelf holding up a stuffed animal

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When is a bike overcoming gravity?

• going under a bridge

• going around a corner

• going through a tunnel

• going up a hill

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When a lamp is on a table why does the lamp fail to fall to the ground?

• The lamp is stronger than the force of gravity

• The wall behind the lamp opposes the force of gravity on the lamp

• The table opposes the force of gravity on the lamp

• The lampshade opposes the force of gravity on the lamp

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Why is a plane able to stay in the air for a long period of time?

• The plane weighs less so gravity does not effect it.

• The plane produces a force that overcomes the pull of Earth's gravity.

• The plane has special equipment inside the cabin.

• The plane gives off sound and light energy.

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What is an example of overcoming gravity?

• an apple falling down to the ground

• a bird perched on a branch

• A skydiver falling down after jumping out of a plane

• A ball rolling down a hill

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Helen is holding a book. What doesn't gravity pull the book to the ground?

• Gravity doesn't affect books

• Gravity is acting only on Helen, not on the book.

• The book is stronger than the force of gravity.

• Helen is holding the book with an equal force to gravity.

What is NOT overcoming gravity?

• a ballerina jumping up into the air

• a balloon flying up into the sky

• a cart rolling down a ramp

• A car driving up a hill

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When you throw a ball what will eventually happen?

• It will keep going up.

• It will keep going straight.

• It will start heading down to the ground.

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Why is it important for scientists to share what they discover when doing the same investigation?

• So they can change their own results.

• To tell each other they are wrong

• To learn from each other

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What is a way to check the results of another scientist's experiment?

• Repeat the experiment but change a few things to see if you get the same results.

• Repeat the same experiment the exact same way to see if you get the same results.

• Watch a video of a different experiment and write their results down.

• Make a good guess about what you think should happen in the experiment and write that down.

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