Chapter 15 review

What is a chemical change?

• Forming a new substance

• When two or more substances combine to make a greater one

• When two or more substances combine to make a new chemical substance

• Combing substances

What is a physical change?

• I Don't care!

• A change in the form or appearance of a substance

• a change in a substance to something new

• molecules interacting and changing into a new substance

Which of the following are examples of a Chemical Change?

• Iron Rusting

• Gas Burning

• Breaking a glass

• Boiling water

• Burning Wood

Select the properties of a physical change!

• Color

• Shape

• Size

• Bubbles

• Temperature

Which is an example of a chemical change?

• Cutting paper

• Digesting Food

• Crumbling paper

• Boiling water

Which is an example of a physical change?

• Cooking

• Buring Wood

• Ripping paper

• Digesting Food

Is this a Chemical or a Physical change?

Fireworks

• Chemical

• Physical

• Both

• Neither

Mass divided by volume is the formula for calculating----

• Mass

• Volume

• Density

• Matter

The ability to burn is known as---

• Flammability

• Combustion

• Density

• Exploding

Acidity is a ---- property.

• Physical

• Chemical