Module 2 - Matter: Properties and Changes Test Review

Molecules of water and hydrogen peroxide have which of the following?

• the same kind of atoms

• different 3D shapes

• different chemical behavior

• all of the choices

Tags

NGSS.MS-PS1-1

In which two categories can mixtures be distinguished?

• homogeneous, heterogeneous
• solid, liquid

• acidic, basic

• organic, inorganic

Freshly squeezed orange juice is a homogeneous mixture.

• True

• False

Which of the following is a pure substance?

• milk

• air

• tap water

• table salt

Solids, liquids, gases, and plasma are classified as which of the following?

• chemical properties of matter

• physical properties of matter

• states of matter

• none of the choices

What is true of a physical property of matter?

• It is always an extensive property.

• An example is iron forming rust.

• It is a characteristic that can be observed or measured without changing a sample's composition.

• It is the ability or inability of a substance to combine with or change into one or more other substances.

Which of the following is correct?

• External conditions can affect both physical and chemical properties.

• Volume is an intensive property.

• Density is an extensive property.

• Intensive and extensive properties are chemical properties.

Which term refers to a physical change?

• decompose

• tarnish

• explode

• melt

Tags

NGSS.MS-PS1-4

Which term refers to a chemical change?

• boil

• rust

• vaporize

• freeze

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which observation is not evidence that a chemical reaction might have occurred?

• A solid melts.

• There is an odor change.

• A solid changes color.

• A solid is no longer magnetic.

Tags

NGSS.MS-PS1-2