Gravity What is it? es/cych/apollo%2010 /story/hoi/ball3.html es/cych/apollo 10/story/hoi/ball.html.

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Presentation transcript:

Gravity What is it? es/cych/apollo%2010 /story/hoi/ball3.html es/cych/apollo 10/story/hoi/ball.html

Gravity is … A natural force that pulls all objects toward the center of the earth.

WHAT IS A FORCE? A pull or a push on an object

Which do you think would fall first? A bouncy ball Or a marble Try It!

They fall at the same rate of speed, but the marble has more mass (weight) and so gravity makes it fall harder! Gravity has a stronger force on things with more mass!

It takes a force to overcome gravity! Throw a bean bag in the air and then… Throw a basketball in the air. Which one was harder to throw?

You had to use more force to throw the basketball because it has more mass (weight)