Gravitational Forces

A force that accelerates (or pulls) an object toward the center of Earth.

• Acceleration

• Mass

• Weight

• Gravity

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An English mathematician and physicist who is known for formulating the theory of universal gravity. Newton’s three laws are commonly studied in middle and high school.

• Mickey Mouse

• Donald Duck

• Galileo

• Issac Newton

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The amount of matter that makes up an object. Mass does not change based on where you are.

• Gravity

• Mass

• Resistance

• Atmosphere

An Italian astronomer, physicist, and engineer. He is sometimes known as the “Father of Observational Astronomy.”

• Abraham Lincoln

• Isaac Newton

• Galileo

• Atmosphere

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A measurement that is taken using a scale and is determined by the pull of gravity. Weight can vary based on where you are and the pull of gravity in that area.

• Gravity

• Weight

• Acceleration

• Atmosphere

Every particle attracts every other particle with a force that is proportional to their masses and inversely proportional to the square of distance between them.

• Newton's Law of Universal Gravitation

• Weight

• Acceleration

• Atmosphere

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Any interaction that can change the motion of an object.

• Newton's Law of Universal Gravitation

• Force

• Acceleration

• Atmosphere

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An increase in the rate or speed of something.

• Newton's Law of Universal Gravitation

• Acceleration

• Resistance

• Atmosphere

A measure of a force acting in the opposite direction.

• Newton's Law of Universal Gravitation

• Acceleration

• Resistance

• Atmosphere

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The gases that surround Earth or another planet.

• Newton's Law of Universal Gravitation

• Acceleration

• Resistance

• Atmosphere