Physical and Chemical Changes

Which of the following tells you that a chemical change may have occurred?

• Change Shape
• Melting
• Vaporizing
• Change in color

Tags

NGSS.MS-PS1-2

What happens in ALL chemical changes?

• Change in state of matter
• A new substance is formed
• Bubbles are produced
• An explosion

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Is wood burning a physical or chemical change?

• Physical 
• Chemical

Tags

NGSS.MS-PS1-2

Is milk going sour a physical or chemical change?

• Physical 
• Chemical

Tags

NGSS.MS-PS1-2

Is Gatorade powder dissolving in water physical or chemical change?

• Physical 
• Chemical

Tags

NGSS.MS-PS1-2

Is making orange juice a physical or chemical change?

• Physical 
• Chemical

Tags

NGSS.MS-PS1-2

Is sharpening a pencil a physical or chemical change?

• Physical 
• Chemical

Is copper tarnishing a physical or chemical change?

• Physical 
• Chemical

Tags

NGSS.MS-PS1-2

In an exothermic reaction, energy is _________.

• Released
• Absorbed
• Stored
• Doubled

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-3

During Photosynthesis energy is absorbed. What kind of reaction is it?

• Physical
• Exothermic
• Endothermic
• Photothermic

Tags

NGSS.MS-LS1-6