Physical and Chemical Changes in Matter

Front

Splitting logs into pieces with an axe before burning them.

Back

Physical change

Front

What type of change occurs when opening and shaking a hand warmer packet makes it heat up?

Back

Chemical change

Front

What type of change occurs when you notice bubbles and steam as water heats up and boils?

Back

Physical change

Front

An unusual odor is formed after combining two substances.

Back

Chemical change

Front

Sugar dissolves into water and disappears.

Back

Physical change

Front

What type of change occurs when fizzy gas bubbles are produced as a powder is added to a clear liquid?

Back

Chemical change

Front

Crushing aluminum cans before recycling them is an example of what type of change?

Back

Physical change

Front

The edges of a treasure map have been burned.

Back

Chemical change

Front

Classify the ability of many jellyfish to use bioluminescence to glow.

Back

Chemical change

Front

What type of change occurs when a black solid powder forms from combining two substances?

Back

Chemical change