Spring 1: Lesson 2 Retrieval Activity

The previous state is able to be restored. This is a definition of a _________ change.

• irreversible

• soluble

• reversible

• insoluble

Hot wax ___________ as it cools.

• evaporates

• solidifies

• freezes

• melts

Materials that ________ are known as soluble.

• evaporate

• melt

• dissolve

• solidify

Materials that won't dissolve are known as __________.

• insoluble

• soluble

• irreversible

• reversible

Using a sieve is a method of a __________ change.

• corrosion

• filtering

• reversible

• solidifying