Gravity, Kepler's Laws, Inertia Review

What are the two factors that influence gravity the most?

• Mass and weight
• Weight and gravity
• Mass and distance
• Weight and distance

In which location would you weigh the most?

• Mars
• Venus
• The moon
• Jupiter

What is inertia?

• amount of atoms
• amount of gravitational pull
• the size
• resistance to a change in motion

Which object has the most inertia?

• feather
• pencil
• desk
• school building

How could you increase the inertia of an object?

• Add mass
• Remove mass

Name one way to increase the gravity between objects. 

• Increase distance
• Decrease distance
• Decrease volume
• Remove atoms

Planets travel in what shape?

• Perfect circle
• Ellipse
• Square
• Triangle

When do planets move the fastest?

• Close to the sun
• Far away from the sun

Which is NOT one of Kepler's laws?

• Planets travel in an ellipse
• Planets closest to the sun travel faster
• The farther a planet is from the sun, the longer it takes to orbit
• Planets revolve around the Earth

Which object has the most inertia?

• 100 g water bottle
• 200 g binder
• 450 g sweater
• 760 g book