Inside Level A Unit 3 Selection 1

Something that is active is

• likely to stop.

• likely to be a secret.

• likely to move or to show action.

• likely to be materials.

Something that is dangerous is

• unlocked.

• unsafe.

• unhappy.

• unsatisfactory.

To erupt means to

• break open or shoot out suddenly.

• close up.

• go underground.

• flow freely.

To force means

• to pull.

• to push.

• to go.

• to have.

A force is

• something plants need.

• water, air, soil.

• a natural resource.

• a great power in nature.

A layer is

• a section that is on top or under another.

• a surface.

• a volcano.

• a warning.

The surface is

• the core of the sun.

• the bottom layer.

• The inside part of something.

• the outside part of something.

A volcano is

• the rain and wind that is formed when a hurricane lands.

• an opening in the Earth from which lava, ash, and steam escape.

• the snow and ice that fall during an avalanche.

• the wind from a tornado.

A warning is

• a sign that something good may happen.

• a sign that nothing bad will happen.

• a sign that something bad may happen.

• a sign that the water is treated.

Children are ___________ when they run and play games outside.

• active

• dangerous

• erupt

• force