U2W3 Vocabulary Practice

Front

What are ripples?

Back

Small waves that form on the surface of water.

Front

What does it mean to crumble?

Back

To break into smaller pieces.

Front

What is an imbalance?

Back

When parts are not in an equal, steady, or secure position.

Front

What is an ecosystem?

Back

All the living and nonliving things in an area.

Front

What does it mean to flourish?

Back

To thrive or grow strongly.

Front

What does it mean if something is extinct?

Back

It no longer exists.

Front

What is a drought?

Back

A prolonged period of abnormally low rainfall.

Front

What does fragile mean?

Back

Easily broken or damaged.

Front

What is the definition of a living thing?

Back

An organism that has life, such as plants, animals, and humans.

Front

What is a nonliving thing?

Back

An object that does not have life, such as rocks, water, and air.