Force and Motion Review

An object that contains _____ will attract a magnet.

• metal
• wood
• iron

This picture shows two forces acting on a domino.  What do the arrows show? 

• Unbalanced forces, domino moves
• balanced forces, no movement 

What force is causing the parachute to fall down towards Earth?

• magnetic force
• gravity
• air resistance
• pull

What force is slowing down the parachutes fall? 

• magnetic force
• gravity
• air resistance
• pull

Here is a simple chain reaction machine.  The machine starts when a domino is pushed.  What force will make the car move?

• friction
• gravity
• the ball will push the car
• the trash can will pull the car

Here is a simple chain reaction machine.  The carpet causes the car to 

• move slower because there is more friction 
• move faster because there is less friction 
• go off course 
• send sparks 

Which magnet model will attract

• A
• B

Magnet model B will 

• Attract
• Make a cake
• break
• repeal

The ruler is used to measure the height of a ramp.  How tall is the ramp?

• 1 Cm
• 3 cm
• 5 cm

What do engineers do when a design fails during a test? 

• give up
• try the same design again
• ask someone else to fix it
• redesign and retest