Forces review (p. 80-81)

What can a force do to an object?

• Make it disappear

• Make it change color

• Make it move or stop

• Make it produce a sound

Which of these is an effect of a force?

• It makes food taste better

• It changes the shape of the object

• It turns it into water

• It changes the smell of the object

What happens to an object when a force pushes it?

• It always breaks

• It remains the same

• It can move or change direction

• It melts

What is elastic deformation?

• The object breaks into pieces

• The object burns

• The object returns to its original shape

• The object changes color

What is plastic deformation?

• The object returns to normal

• The object changes shape and remains that way

• The object becomes invisible

• The object floats in water

Which of these shows deformation due to fracture?

• The object enlarges

• The object returns to normal

• The object breaks into parts

• The object makes a noise

Which object shows elastic deformation when pressed?

• A rubber ball

• A glass bottle

What does a force NOT do?

• Change the direction of an object

• Change the taste of an object

• Change the shape of an object

• Change the speed of an object

What is an example of plastic deformation?

• A sponge returning to its shape

• A figure made of clay that remains bent

• A ball bouncing

• A spring returning to its size

What happens when an object has deformation due to fracture?

• Floats

• Changes color

• Breaks

• Moves faster