Chemical Reactions Lesson 2 Chemical Change

• Physical Change
• Chemical Change

• Physical Change
• Chemical Change

• Physical Change
• Chemical Change

What key words, when present in a question about chemical reactions, might indicate a chemical change is occuring? Check all that apply.

• Bubbling

• Fizzing

• Dissolving

• Evaporating

Which of the following is a sign that a chemical reaction has occurred?

• change in shape
• melting
• formation of a gas
• dissolving

A change where one or more new substances are created.

• Physical Change 
• Chemical Change 

Change in color is a physical change.

• True
• False

A Chemical Change is also known as what?

• Physical Change

• Physical Property

• Chemical Reaction

• Chemical Property

Which of the following could indicate that a chemical change took place?

• Change in color

• Production of Energy

• Formation of Gas

• All are correct

The formation of a solid when two liquids combine is called?

• Solidification

• Freezing

• Precipitate

• Solubility