Physical and chemical properties and changes

Is burning wood a chemical or physical change?

• Physical

• Chemical

Is breaking a jar a chemical or physical change?

• Physical

• Chemical

Flammability is an example of what property?

• Physical

• Chemical

Which is an example of a physical property?

• ability to react with acid

•  state of matter

• flammability

• ability to react with oxygen

Which of the following IS a chemical change?

• 
• 
• 
• 

A change in the size, shape, or state of matter.

• chemical change

• physical change

• chemical reaction

• electron change

What is a chemical change?

• any change that results in the formation of new chemical substances. 

• changing clothes

• matter cannot be created or destroyed, only change form

• changes affecting the form of a chemical substance not the chemical composition.

A beaker containing a solution is heated. The beaker now feels warm. Do you assume a chemical reaction took place?

• Yes

• No

You observe bubbles after adding vinegar into baking soda. Do you assume a chemical change took place?

• Yes

• No

Which is a physical change?

• melting butter

• burning wood

• rotting food

• rusting iron