Chemistry - Grade 9 Unit 2 (1)

Matter is defined as anything that...

• takes up space and has density

• has mass and density

• has mass and takes up space

• has density and gravity

Which WHMIS symbol is shown?

• biohazard

• toxic

• explosive

• corrosive

Which of these states of matter is least like the others?

• solid

• plasma

• liquid

• gas

When a gas changes directly from a solid to a gas:

• melting

• sublimation

• deposition

• evaporation

Tags

NGSS.MS-PS1-4

Which of the following properties describes Mohs' scale?

• conductivity

• malleability

• hardness

• solubility

Which of the following is a physical change?

• wood burning

• an egg frying

• water freezing

• glue setting

Aluminum can be stretched into very strong wire. This property is known as...

• ductility

• malleability

• conductivity

• solubility

Which element of the four shown is the most dense?

• lead

• aluminum

• copper

• sulphur

Which of the following is a chemical change?

• an egg frying

• water boiling

• ice crystals forming

• all are chemical changes

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which of the following is NOT necessarily a chemical property?

• reaction with acids

• ability to burn

• reaction to the addition of heat

• change in colour