Wonders 4th Grade Unit 2 Week 3

A coral reef is an example of an ______ where many animals and plants depend on each other.

The glass vase is very ______ so you should carry it carefully.

The old castle walls slowly ______ after hundreds of years of rain and wind.

The small village ______ after new businesses opened and more people came to live there.

Mammoths are now ______ because they no longer exist on Earth.

When you drop a stone into the pond, you see a ______ spread across the water.

Farmers had a hard time growing crops because of the long ______ that dried the land.

Pollution in the river caused an ______ in nature, harming the fish and plants.