Physical vs Chemical

A change in which NEW substances are formed.

• Chemical change
• Physical change
• Casual change
• Formal change

Which of the following is NOT an example of chemical change?

• sour milk
• burning wood
• breaking a pencil
• rust

Is melting butter for popcorn a chemical or physical change?

• chemical
• physical

Ripping up paper ...

• Chemical Change
• Physical Change

An explosion occurs ...

• Chemical Change
• Physical Change

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

• Water freezing into ice.

• A piece of wood burning.

• A toy car rusting.

• Zinc producing hydrogen gas when mixed with water.

What type of change has occurred when a nail rusts?

• A physical change

• A chemical change

• An atomic change

• A reactive change

What does it mean when there is a physical change?

• Matter has changed from one substance into another.

• Matter has changed on the molecular level.

• A new substance has been formed.

• Matter has changed size, shape or form.

Which is an example of a physical change?

• Metal rusting

• Silver tarnishing

• Water boiling

• Paper burning

Which is an example of chemical change?

• Water freezes

• Wood is cut

• Bread is baked

• Wire is bent