Earth's Gravitational Forces

Multiple Choice

Which of the following best describes gravity?

• A force that pushes objects apart

• A force that attracts objects toward each other

• A type of energy produced by the Sun

• A movement caused by wind

Open Ended

Write the order of events that occur when a rocket is launched.

Open Ended

How would your classroom look different if gravitational force did not affect the objects in the room?

Open Ended

Describe how air resistance and gravity interact to affect the rate at which objects fall. Use the example of a skydiver and a ball.

Fill in the Blank

A piece of tissue falls at a slower rate than a ball because of ___ resistance.

Multiple Select

Which of the following statements about gravity are correct?

• Gravity is a force of attraction between two objects.

• Only objects with huge mass exert noticeable gravitational force.

• Earth's gravity pulls objects toward its center.

• Gravity can be turned off when objects float.

Multiple Choice

What keeps stars in their galaxies according to the concept of gravity in space?

• Magnetic force

• Gravity

• Solar wind

• Light

Open Ended

How is a rocket being launched into space able to overcome the force of gravity?

Multiple Choice

How does gravity affect the orbits of the Earth, Moon, and artificial satellites in space?

• Gravity keeps the Earth, Moon, and artificial satellites in their orbits.

• Gravity pushes objects away from their orbits.

• Gravity has no effect on the orbits of these objects.

• Gravity only affects artificial satellites, not natural objects.

Fill in the Blank

Gravity is best described as a force of ___ between two objects.

Multiple Choice

Any object with mass experiences gravity

• True

• False

Multiple Choice

Why do astronauts bounce so high on the moon?

• The moon has more gravity

• The moon has no gravity

• The moon has less gravity

Multiple Choice

As distance increases, gravitational forces:

• Decrease

• increase

• Disappear

• Stay the same

Multiple Choice

As mass increases, gravitational forces:

• Increase

• decrease

• stay the same

• disappear

Multiple Choice

Gravitational force is smaller between

• Larger objects

• Smaller objects

Open Ended

A soccer player kicks a ball high in the air. What will happen to the soccer ball? How do you know?

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