Inside Level A Unit 3 Selection 1

Front

What does a volcanologist study?

Back

A volcanologist studies volcanoes.

Front

What does it mean if something is active?

Back

If something is active, it is likely to move or to show action.

Front

What term describes the strength or energy of the wind?

Back

The term is 'force'.

Front

In the sentence 'The dog loves to bark. ____ barks all day long.', what word fits in the blank?

Back

The word is 'It'.

Front

What does it mean if something is dangerous?

Back

If something is dangerous, it is unsafe.

Front

What is the definition of a volcano?

Back

A volcano is an opening in the Earth's crust through which molten lava, ash, and gases are ejected.

Front

What are the main components of a volcano?

Back

The main components of a volcano include the magma chamber, vent, crater, and lava flow.

Front

What is the difference between active, dormant, and extinct volcanoes?

Back

Active volcanoes are currently erupting or show signs of erupting; dormant volcanoes have not erupted in a long time but may erupt again; extinct volcanoes are not expected to erupt again.

Front

What is the significance of studying volcanoes?

Back

Studying volcanoes helps predict eruptions, understand geological processes, and mitigate hazards to human life and property.

Front

What is an example of an action that can be described as 'active'?

Back

An example of an active action is a person running or a dog barking.