Which of the following is NOT an example of matter?

• Sunglasses

• Beach Towel

• Sunlight

• Water

The study of matter and its changes is called

• Biology

• Chemistry

• Physics

• None of the above

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

NGSS.MS-PS1-5

The smallest unit of an element that retains the properties of that element is called a(n)

• Element

• Compound

• Atom

• Molecule

Tags

NGSS.MS-PS1-1

Solids, liquids, and gases are three phases of matter that

• Have mass

• Take up space

• Are made up of atoms

• All of the above

Which of the following is NOT a pure substance?

• Element

• Compound

• Mixture

• Molecule

Diamond is known for its

• Hardness

• Reactivity

• Flammability

• None of the above

Helium is used in balloons because it is

• Reactive to rubber

• Lighter than air

• Flammable

• A colored gas

Aluminum is used in kitchen foil because it is

• Hard to bend

• Shiny

• Heavy

• None of the above

Which property of a substance is not affected by a physical change?

• Reactivity

• Size

• Position

• Shape

The different substances in a mixture

• keep their physical properties

• form new molecules

• cannot be separated

• combine chemically