Introduction to Matter

Front

What is matter?

Back

Matter is anything that has mass and takes up space.

Tags

NGSS.MS-PS1-5

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 involves a change in the chemical composition of a substance, resulting in the formation of new substances.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Front

What is density?

Back

Density is defined as mass per unit volume.

Front

What is an element?

Back

An element is a substance that is made of only one type of atom.

Front

What are physical properties?

Back

Physical properties are characteristics of a substance that can be observed or measured without changing its chemical identity.

Front

Give an example of a physical property.

Back

Examples include melting point, boiling point, luster, and viscosity.

Tags

NGSS.MS-PS1-4

Front

What is flammability?

Back

Flammability is a chemical property that describes how easily a substance can catch fire.

Front

What is the difference between mass and weight?

Back

Mass is the amount of matter in an object, while weight is the force exerted by gravity on that mass.

Front

What is the law of conservation of mass?

Back

The law of conservation of mass states that mass is neither created nor destroyed in a chemical reaction.

Tags

NGSS.MS-PS1-5