Quiz on Elasticity

What is elasticity?

• The ability to break when stretched

• The ability to return to original shape after deformation

• The ability to change color when heated

• The ability to move quickly

Which of the following is an example of an elastic material?

• Stone

• Rubber band

• Metal rod

• Glass bottle

What happens to the atoms in a rubber band when it is stretched?

• They get closer together

• They stay in the same place

• They are pulled apart

• They disappear

Why does a balloon return to its original shape after being inflated and deflated?

• Because of its elasticity

• Because of air pressure only

• Because of Newton’s third law

• Because of gravity

Elasticity means a material will permanently change shape after being stretched.

• True

• False

Rubber bands cannot return to their original shape after being stretched.

• True

• False

The elasticity of balloons can be used to create balloon cars.

• True

• False

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When a rubber band is not stretched, its atoms are in equilibrium.

• True

• False

What happens to the atoms in a rubber band when it is not being stretched?

• The atoms repel each other

• The atoms are in equilibrium

• The atoms pull apart

Which experiment can you do to explore the elasticity of rubber bands?

• Bounce a ball

• Launch an object with a rubber band

• Drop a rock from a height