Wonders 4th Grade Unit 2 Week 3 Vocab

Front

crumbled

Back

broke into small pieces

Front

droughts

Back

long periods with little or no rain

Front

Ecosystem

Back

All nonliving and living things in a particular area.

Front

extinct

Back

no longer in existence

Front

flourished

Back

grew strongly; thrived

Front

fragile

Back

easily broken, delicate

Front

imbalance

Back

lack of balance

Front

rippled

Back

formed small waves

Front

broke into small pieces

Back

crumbled

Front

Long periods with little or no rain

Back

Droughts