Chemical vs. Physical Changes

Front

What type of change occurs when fruits are blended together?

Back

physical change

Front

Gallium spoon melting is a physical change because a puddle of _____ metal is left afterwards.

Back

gallium

Front

Changes between states of matter are often which?

Back

physical changes

Front

What caused the candles to go out?

Back

carbon dioxide

Front

Why is this a physical change?

Back

same gas before and after

Front

How does the team know the gas produced is hydrogen?

Back

flame test

Front

How does hydrogen react in a flame test?

Back

a pop

Front

The spoiling of milk is an example of which type of change? Options: physical, chemical, both, neither

Back

chemical

Front

Is mixing air into egg whites a physical or chemical change?

Back

physical