Unit 3 vocab. p. 132

A ________ is a sign that something bad may happen.

• warning

• volcano

• active

• dangerous

Something that is __________ is not safe.

• warning

• volcano

• active

• dangerous

Something that is _______ is likely to move or to show action.

• warning

• volcano

• active

• dangerous

A _________ is an opening in the Earth's surface from which lava can escape.

• warning

• volcano

• active

• dangerous

The ________ is the outside part of something.

• erupt

• surface

• force

• layer

A ________ is a section that is on top of or under another.

• erupt

• surface

• force

• layer

To _______ means to break open or shoot out suddenly.

• erupt

• surface

• force

• layer

To ______ means to push something.

• erupt

• surface

• force

• layer