9 Matter - Chemical Reactions Pretest

Is water melting a physical or chemical change?

• Physical
• Chemical

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

Is digesting your food a physical or chemical change?

• Physical
• Chemical

Tags

NGSS.MS-LS1-7

NGSS.MS-PS1-2

Is salt dissolving in water a physical or chemical change?

• Physical
• Chemical

Tags

NGSS.MS-PS1-2

Is bending copper wire a physical or chemical change?

• Physical
• Chemical

Tags

NGSS.MS-PS1-2

Is a burning candle a physical or chemical change?

• Physical
• Chemical

Tags

NGSS.MS-PS1-2

Is melting iron a physical or chemical change?

• Physical
• Chemical

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

Is a car using fuel a physical or chemical change?

• Physical
• Chemical

Tags

NGSS.MS-PS1-2

Where is a valence electron found in an atom?

• The outer shell

• The inner shell

• The middle shell

What is the number of valence electrons for Oxygen?

• 8
• 6
• 2
• 1

What elements generally make an ionic bond?

• metal and nonmetal
• 2 or more nonmetals
• metal
• none of the above

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2