Modeling Matter

All matter is made up of smaller pieces of matter called ________.

• space

• weight

• molecules

• chemicals

Tags

NGSS.MS-PS1-1

When a substance dissolves, it ________.

• separates with a substance it is mixed with

• changes the state of matter it is in

• mixes completely with another substance

• expands into a larger piece of substance

Tags

NGSS.MS-PS1-2

Which of the following is true about all matter?

• All matter has weight.

• All matter can be seen.

• All matter has a fixed volume.

• all of the above

A ________ is a material where each part of it is made of the same type of molecule.

• powder

• mixture

• substance

• grain

Tags

NGSS.MS-PS1-1

What is a property?

• a mixture of materials that dissolve

• a combination of two or more substances

• a characteristic that can be measured

• a material that changes its state of matter

Which of the following is a property that you can observe?

• color

• hardness

• brittleness

• all of the above

If you leave an ice cube out, and it melts, this is an example of ______.

• property change of matter

• a reaction of matter

• a change in state of matter

• condensation

Tags

NGSS.MS-PS1-4

When a substance evaporartes, the particles in the substance _______.

• move faster and the substance changes into a gas

• move faster and lose heat

• move slower and the substance changes into a solid

• move slower and change color

Tags

NGSS.MS-PS1-4

Which is an example of a reaction?

• cooking an egg white

• boiling water

• freezing juice

• water droplets on a pot lid

Tags

NGSS.MS-PS1-2

NGSS.MS-LS1-7

All matter is CONSERVED during a change, which means that it is ________.

• dissolved into a substance

• kept at the same total amount

• lighter than it was before the change

• heavier than it was before the change

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5