Physical & Chemical Properties and Changes

TRUE OR FALSE: You can look at matter and observe the chemical properties.

• TRUE
• FALSE

What is the definition of chemical change?

• any change that results in the formation of new chemical substances. 
• changing of only the appearance of the object
• matter cannot be created or destroyed, only change form
• changes affecting the form of a chemical substance, but not its chemical composition.

Is wood burning 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 the formation of the grand canyon a physical or chemical change?

• Physical 
• Chemical

Is copper tarnishing a physical or chemical change?

• Physical 
• Chemical

Which of the following is NOT a clue that a chemical reaction has taken place?

• Changing size
• Changing color
• A gas being formed
• Formation of a precipitate