4th Grade Lesson 1 (Forces and Motion)

A boy pushes on a box and moves it across the room. This is an example of...

• Balanced forces

• Unbalanced forces

Tags

NGSS.3-PS2-1

Objects in motion tend to stay in motion because of the property of....

• inertia

• gravity

• friction

• air resistance

Tags

NGSS.HS-PS2-1

_________ describes when an object speeds up, slows down, or changes direction.

• speed

• velocity

• acceleration

What causes heat when rubbing your hands together?

• air resistance

• gravity

• friction

• inertia

Tags

NGSS.MS-PS1-4

A plane flies 500 mph west

• This is an example of speed

• This is an example of velocity

• This is an example of acceleration

Mrs. Stolan's son pushes his toy car and it rolls across the room. What force will cause the car to slow down?

• gravity

• friction

• inertia

• balanced forces

Tags

NGSS.3-PS2-1

NGSS.3-PS2-2

What would you expect to happen?

• Blue wins

• Red wins

• It won't move because the forces are balanced

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

What would you expect to happen?

• Blue wins

• Red wins

• It won't move because the forces are balanced

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

When objects remain in the same place, it is called...

• gravity
• friction
• balanced force
• unbalanced force

Tags

NGSS.3-PS2-1

What type of force is being illustrated?

• Contact force

• Noncontact force

Tags

NGSS.HS-PS2-1