Physical and Chemical Changes & Elements Compounds and Mixtures

Water is made up of hydrogen and oxygen, two elements that were chemically combined. This makes water a(n)

• atom

• compound

• element

• mixture

Tags

NGSS.MS-PS1-1

__ is a pure substance containing two or more kinds of atoms.

• Element

• compound

• mixture

• solution

An element is a ___ that cannot be separated into simpler substances by physical or chemical means.

• pure substance

• mixture

• solution

• compound

How many atoms are present in one molecule of glucose, C6H12O6

• 3

• 12

• 24

• 4

Tags

NGSS.MS-PS1-1

Which of the diagrams below represent a mixture?

• A

• B

• C

• D

How many different types of atoms are there in the following molecule?

• 7

• 6

• 3

• 8

Tags

NGSS.MS-PS1-1

Is burning wood a chemical or physical change?

• chemical
• physical

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Is glass breaking a chemical or phyiscal change?

• chemical
• physical

Is a a rusting bicycle a chemical or physical change?

• chemcial
• physical

Tags

NGSS.MS-PS1-2

Is melting ice a chemical or physical change?

• chemical
• physical

Tags

NGSS.MS-PS1-4