6th Grade Science 1st Semester Review

Front

What happens to the substance when ice cream melts?

Back

No new substance is formed; it undergoes a physical change.

Front

What type of energy is found in gasoline, batteries, and food?

Back

Chemical energy.

Front

What type of change occurs when ice cream melts?

Back

Physical change.

Front

What are the 17 elements used in high-tech components called?

Back

Rare Earth Elements.

Front

What indicates that a chemical change has occurred?

Back

The formation of a precipitate.

Front

What is a physical change?

Back

A change that does not alter the chemical composition of a substance.

Front

What is a chemical change?

Back

A change that results in the formation of new chemical substances.

Front

Give an example of a physical change.

Back

Melting ice.

Front

Give an example of a chemical change.

Back

Rusting of iron.

Front

What are the properties of metals?

Back

Metals are typically shiny, malleable, ductile, and good conductors of heat and electricity.