Classifying Matter and Properties of Matter

A solid is

• a substance that does not have a definite shape or volume
• a substance with a definite volume, but no definite shape
• a substance with a definite shape and volume
• a substance whose particles glide past one another

Which states of matter have a definite volume?

• solid and gas
• solid and liquid
• gas and liquid
• solid, liquid, and gas

Which of the following is a characteristic of liquids?

• molecules are tightly packed
• takes the shape of its container
• constantly keeps its shape
• molecules are spread far apart

What is the volume of the rock? The water level is displaced from 20 mL to 23 mL with the rock.

• 3 mL
• 23 mL
• 20 mL
• 43 mL

What is the formula for calculating density?

• Mass ∗ Volume
• Volume ∗ Mass
• Mass ÷ Volume
• Volume ÷ Mass

Which statement is true?

• Oil is the most dense substance.
• Corn syrup is less dense than water.
• Oil is less dense than water.
• Oil and corn syrup have the same density but different masses.

What is the most dense metal?

• Aluminum 
  2.7 g/cm³
• Steel
  7.14 g/cm³
• Nylon
  1.2 g/cm³
• Copper 
  8.14 g/cm³

The volume of water in a beaker was 215 mL. After 5 days, the volume of the water was 200 mL. What best explains the change in volume?

• Some of the water absorbed the air. 
• Some of the water evaporated and escaped into the air as water vapor.
• Some of the water disappeared.
• Some of the water was released due to condensation.

Which of the following are pure substances?

• solutions

• compounds

• homogenous mixtures

• collides

Which of the following is a mixture?

• milk

• oxygen

• water

• carbon dioxide