4th Grade Science - Force Motion and Energy

When an object is in motion, it changes ___.

• color
• shape
• size
• position

An object can't move unless there is a __ causing it to move.

• speed
• force
• chair
• fork

Pushing or pulling is an example of ____.

• force
• work
• gravity
• speed

___ tells us how fast something is moving.

• Gravity
• Force
• Kinetic
• Speed

True or False?  The speed of an object can increase, decrease, or remain the same.

• True
• False

___ happens when matter rubs against matter.

• Force
• Friction
• Gravity
• Speed

___ is created when friction occurs.

• Cold
• Heat
• Gravity
• Friction

Rubbing your hands together is a simple example of ___.

• Force
• Friction
• Gravity
• Speed

Marcie Stacie wraps a wire around a nail 20 times and then connects the ends of the wire to a battery. She is making:

• an open circuit
• a wire magnet
• an insulator
• an electromagnet

What is the force that causes everything to be pulled down to the Earth?

• friction
• balance
• being unbalanced
• gravity