Physical and Chemical Changes

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

• Change Shape
• Melting
• Vaporizing
• Change in color

What happens in ALL chemical changes?

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

Is wood burning a physical or chemical change?

• Physical 
• Chemical

Is milk going sour a physical or chemical change?

• Physical 
• Chemical

Is Gatorade powder dissolving in water physical or chemical change?

• Physical 
• Chemical

Is mold growing on cheese a physical or chemical change?

• Physical 
• Chemical

Is making orange juice a physical or chemical change?

• Physical 
• Chemical

Is sharpening a pencil a physical or chemical change?

• Physical 
• Chemical

Is copper tarnishing a physical or chemical change?

• Physical 
• Chemical

Properties that can be measured or observed without matter changing to an entirely different substance.

• Chemical Properties of Matter
• Physical Properties of Matter
• Physical Change
• Chemical Change