A Volcano Erupts

Where are openings in the ground where hot liquid rock can come out?

• A. volcanoes

• B. mountains

• C. rivers

• D. oceans

What does it mean if a volcano erupts?

• A. The volcano does not explode.

• B. The volcano explodes.

• C. Water shoots out of the volcano.

• D. The volcano cracks in half.

What comes out of the volcano when a volcano erupts?

• A. smoke and hot liquid rock

• B. water and tiny stones

• C. smoke and water

• D. water and hot liquid rock

What is another name for the hot liquid rocks that comes out of a volcano?

• A. sauce

• B. magma

• C. lava

• D. paint

According to the text, lava is dangerous for all of the following EXCEPT

• A. people

• B. animals

• C. plants

• D. the sky

Listen to these sentences from the text again:

"Sometimes, volcanoes erupt. That means they explode.

What is the meaning of they in this sentence?

• A. sometimes

• B. volcanoes

• C. erupt

• D. explode

Which of the following sentences tells how scientists that study volcanoes are trying to keep people safe?

• A. "Sometimes, volcanoes erupt."

• B. "The liquid is called lava. Lava can move slowly."

• C. "Lava is dangerous for people, animals, and plants."

• D. "Then they try to figure out when volcanoes might erupt. Then people can get to a safe place before trouble starts."