8th grade Science Midterm

Front

What happens to crayons left in a hot car?

Back

The solid crayons change to liquid due to heat.

Tags

NGSS.MS-PS1-4

Front

What is the definition of density?

Back

Density is the amount of mass in a specific volume.

Front

Is flammability a chemical or physical property?

Back

Flammability is a chemical property.

Front

What does the Law of Conservation of Mass state?

Back

Mass is never created or destroyed in a chemical reaction.

Tags

NGSS.MS-PS1-5

Front

What tool is used to measure mass?

Back

A balance is used to measure the mass of a substance or object.

Front

What is the state of matter that has a definite shape and volume?

Back

Solid has a definite shape and volume.

Front

What is the state of matter that has a definite volume but no definite shape?

Back

Liquid has a definite volume but takes the shape of its container.

Tags

NGSS.MS-PS1-4

Front

What is the state of matter that has no definite shape or volume?

Back

Gas has no definite shape or volume.

Front

What is a physical change?

Back

A physical change is a change that affects one or more physical properties of a substance without altering its chemical composition.

Front

What is a chemical change?

Back

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

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5