Matter

Matter is defined as anything that __?__

• can be seen and touched

• has mass and takes up space

• can be weighed

A substance that cannot be broken down into simpler substances is __?__.

• a compound

• a mixture

• an element

The chemical formula for water, H₂O, means that each water molecule contains __?__.

• two hydrogen atoms and two oxygen atoms

• two hydrogen and one oxygen atom

• two hydrogen atoms and no oxygen atoms

Tags

NGSS.MS-PS1-1

The science of what matter is made of and how it changes is called __?__.

• chemistry

• kinetics

• physics

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

The smallest unit of a substance that behaves like the substance is __?__.

• an element

• an atom

• a molecule

Tags

NGSS.MS-PS1-1

A material that can be represented by a chemical formula is __?__.

• a pure substance

• a homogeneous solution

• a mixture

Tags

NGSS.MS-PS1-1

Which of the following is an example of a gas-liquid mixture?

• the air we breathe

• a carbonated drink

• soapsuds

Which state of matter will hold its shape without a container?

• solid

• liquid

• gas

The kinetic theory is useful for __?__.

• determining how much heat is necessary to melt a solid.

• showing differences between states of matter.

• explaining how matter and energy are related.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

The kinetic theory states that the higher the temperature, the faster the __?__.

• particles that make up a substance move

• bonds between atoms break down

• molecules of gas rush together

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4