Physical Changes Quiz

What is a physical change?

• A change that creates a new substance

• A change that is irreversible

• A change in the physical properties of a substance. Sometimes reversible.

• A change that cannot be undone

Which of the following is an example of a physical change?

• 
• 
• 
• 

What does it mean if a change is reversible?

• It cannot be undone

• It changes the chemical properties of a substance

• It can be undone

• It is a permanent change

Is dissolving salt in water a physical change?

• No, because it creates a new substance

• Yes, because it can be reversed by evaporation

• No, because it is a chemical change

• Yes, because it changes the color of the water

What is a chemical change?

• A change that can be reversed

• A change where no new substances are formed

• A change that results in the formation of a new substance

• A change that only affects the state of matter

Which of the following is NOT a clue that a chemical change has occurred?

• Color changes

• 
• Change in shape

• 

Are chemical changes reversible?

• Yes, always

• No, they are irreversible

• Sometimes, depending on the substance

• Only in physical changes

What happens during a chemical change?

• The change is temporary

• No new substances are formed

• New substances are formed

• Only physical appearance changes

What type of change occurs when snow melts into water?

• Chemical change

• Physical change

• Biological change

• Permanent change

What type of change is burning wood in a fire?

• Physical change

• Chemical change

• Biological change

• Temporary change