Matter Unit

What is the chemical symbol for Lead?

• Pb

• Li

• Ar

• Cu

A change in matter that produces new substances is called a

• chemical reaction

• mixture

• physical change

• exothermic reaction

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-2

Change in which the substance itself does not change, but the state of matter or shape does is called a

• chemical change

• physical change

• mixture

• compound

Reactive with vinegar, flammability, and ability to react with oxygen are all examples of

• chemical properties

• molecules

• physical properties

• ionic bonds

Which of the following is NOT a chemical change?

• mixing salt and water

• burning leaves

• fireworks exploding

• frying an egg

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-2

Which of the following is a chemical change?

• mixing oil and water

• water evaporating

• nail rusting

• crushing a can

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-2

Which of the following is an example of a physical property?

• chemical composition

• freezing point

• ability to burn

• ability to react with metals

Tags

NGSS.MS-PS1-4

When two liquids combine to produce a solid, this is called a

• exothermic reaction

• precipitate

• crystal

• combustion

Tags

NGSS.MS-PS1-2

Which is an example of a compound ?

• H

• H₂O

• N

• Hydrogen

Tags

NGSS.MS-PS1-1

What is the chemical formula of the model above?

• N₃H

• NH

• 3NH

• NH₃

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5