Wonders Unit 2, Week 3 Vocabulary Flashcard: 4th Grade

Front

What does the word 'rippled' mean?

Back

Formed small waves.

Front

What does the word 'crumbled' mean?

Back

Broke into small pieces.

Front

What does the word 'droughts' mean?

Back

Long periods of time with little or no rain.

Front

What does the word 'ecosystem' mean?

Back

All nonliving and living things in an area.

Front

What does the word 'extinct' mean?

Back

No longer in existence or alive.

Front

What is an example of an ecosystem?

Back

A forest, a desert, or a pond.

Front

What can cause a drought?

Back

Lack of rainfall over a long period.

Front

What happens to animals in an ecosystem when it becomes extinct?

Back

They can no longer be found in that ecosystem.

Front

What is the importance of ecosystems?

Back

They provide habitats for living things and help maintain balance in nature.

Front

What does it mean when something is fragile?

Back

Easily broken; delicate.