8th grade science review

Front

What is flammability an example of?

Back

Chemical property

Front

What is a scientific law?

Back

A statement that describes what always happens under certain conditions in nature.

Front

What happens to the molecules in ice when thermal energy is added?

Back

The molecules in the ice speed up.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Front

What is a negative subatomic particle called?

Back

Electron

Front

What is a hypothesis?

Back

An idea or explanation that you then test through study and experimentation.

Tags

NGSS.MS-PS1-2

Front

What is the definition of a physical property?

Back

A characteristic of a substance that can be observed without changing its identity.

Front

What is the difference between a scientific theory and a scientific law?

Back

A theory explains why something happens, while a law describes what happens.

Front

What is an example of a chemical change?

Back

Burning wood.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Front

What is the role of a control in an experiment?

Back

To provide a standard for comparison.

Tags

NGSS.MS-PS1-2

Front

What is the formula for calculating density?

Back

Density = Mass/Volume