Matter Properties and Change Test

What type of mixture is chocolate chip ice cream?

• Homogeneous

• Heterogeneous

Which of the following are pure substances?

• Carbon dioxide (CO₂)

• Milk

• Salt water

• Nitrogen (N₂)

Properties that can be measured or observed only when matter undergoes a change to become an entirely different kind of matter.

• Evaporation
• Density
• Physical Properties Of Matter
• Chemical Properties of Matter

Tags

NGSS.MS-PS1-2

Density, melting point, boiling point:These may all be classified as

• chemical properties

• physical properties

Juan observes these properties of an unknown substance. The substance is white, has a crystaline structure, dissolves in water and burns when a flame is applied. What is a chemical property of the substance?

• color
• crystaline structure
• dissolves
• burns

Tags

NGSS.MS-PS1-2

Malleability is an example of what property?

• Chemical property
• Physical property

Tags

NGSS.MS-PS1-2

As a substance heats up, its molecules ___________________.

• slow down and get closer together
• slow down
• speed up and get farther apart
• stop

Tags

NGSS.MS-PS1-4

Which one is not a chemical change?

• a wick burning
• a nail rusting

• metal corroding
• wax melting

Tags

NGSS.MS-PS1-2

True or False.  When a chemical change takes place, a new substance is formed every time.

• True
• False

Tags

NGSS.MS-PS1-2

If you completely dissolve a powder into water, this is an example of a ___________change.

• chemical
• physical