Properties of Matter

What has mass and takes up space?

• weight

• volume

• space

• matter

Tags

NGSS.MS-PS1-5

Malleability is an example of a

• a. physical property.

• b. physical change.

• c. chemical property.

• d. chemical change.

Which of the following is the equation used to calculate a substance’s density?

• D = V/m

• D = m/V

• D = m + V

• D = V x m

Which of the following is NOT an example of a physical change?

• the shaping of a gold bar

• the melting of a frozen fruit bar

• the explosion of fireworks

• the sanding of a piece of wood

Match the following

• mixture

• a substance that consists of two or more different atoms

• compound

• a combination of two or more substances physically blended together

• element

• a substance that consists of just one type of atom

• matter

• anything that has mass and takes up space

One particle of table salt (NaCl) is best described as a (a)   .

• atom

• compound

• element

• mixture

Answer explanation

Table salt (NaCl) is a compound because it is made up of two different elements, sodium (Na) and chlorine (Cl), chemically bonded together.

Tags

NGSS.MS-PS1-1

Why are chemical properties harder to observe than physical properties?

• Chemical properties change substance’s identity.

• Chemical properties depend on the size of the sample.

• Physical properties cannot be observed and measured.

• Physical properties change the identity of a substance.

What is the best way to tell if a chemical change has taken place?

• A new substance has been formed

• A mixture has separated into layers

• The change is reversible.

• The composition does not change.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

How does a physical change differ from a chemical change?

• New properties of the matter are observed.

• New materials are produced.

• The change always involves heat or light.

• The identity of the matter is unchanged.

Tags

NGSS.MS-PS1-4

What is any change in matter that changes only its physical form called?

• a. a formal change

• b. a physical change

• c. an identity change

• d. a chemical change