Unit I, Matter and Measurement TEST Review

Water droplets form on the outside of a cold soda can. What process has occurred as the air around the can changes from a gas to a liquid?

• melting

• sublimation

• evaporation

• condensation

Tags

NGSS.MS-ESS2-4

Solid changing into a liquid

• melting

• sublimation

• evaporation

• condensation

Tags

NGSS.MS-PS1-4

liquid changing to a gas

• melting

• sublimation

• evaporation

• condensation

Tags

NGSS.MS-PS1-4

A block of solid CO₂ (dry ice) goes through the process of sublimation. What is formed?

• gaseous CO₂

• solid CO₂

• water

• liquid CO₂

Tags

NGSS.MS-PS1-4

The volume of the object was found using water displacement as shown in the picture to the right. What is the volume of the object?

• 23.0 mL

• 20.0 mL

• 3.0 mL

• 1.0 mL

Tags

NGSS.MS-PS1-2

The volume of the object was found using water displacement as shown in the picture to the right. What is the volume of the object?

• 10.0 mL

• 12.0 mL

• 25.0 mL

• 37.0 mL

"The boiling point of water is 100°C." Boiling point is an example of a(n)

• chemical property

• physical property

• extensive property

• chemical change

Which of these is NOT evidence of a chemical reaction?

• a. a silver iron nail changes to a brownish-orange color

• b. an antacid tablet produces bubbles of gas

• c. a piece of zinc raises the temperature of an acid as it reacts with it

• d. an ice cube melts into liquid water

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Crushing a piece of chalk is an example of a _______ change.

• chemical

• precipitate

• physical

• color

Octane, a component of gasoline, can be represented by the chemical formula C₈H₁₈. What classification of matter is octane?

• mixture

• element

• compound

Tags

NGSS.MS-PS1-1