Matter and Change CH 1

The study of matter and its changes is called

• Biology

• Chemistry

• Physics

• None of the above

Tags

NGSS.MS-PS1-2

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

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

• Have mass

• Take up space

• Are made up of atoms

• All of the above

Tags

NGSS.MS-PS1-4

Which of the following is NOT a pure substance?

• Element

• Compound

• Mixture

• Molecule

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

Which of the following is NOT a potential sign of chemical change?

• Change in odor

• Boiling

• Fizzing

• Change in color

Tags

NGSS.MS-PS1-2

Which of the following causes a chemical change?

• Moving

• Melting

• Burning

• Shattering

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which of the following is an element?

• Steel

• Brass

• Bronze

• Iron

Unlike a mixture, a pure substance has

• Atoms

• Molecules

• A specific size

• A fixed composition