SAVVAS Science 2.2-2.3

Physical and Chemical Changes

5th Grade SAVVAS Science ​

Topic 2, Lesson 2 and 3

1. Changes in shape and size

2. Changes in temperature

3. Changes in state (solid, liquid, gas)

   1. ex.) evaporation

Physical Change Clues

1. Gives an odor

2. Forms a gas

3. produces heat or light

​​Chemical Change Clues

Multiple Choice

Gives an odor

• physical change

• chemical change

Multiple Choice

produces heat

• physical change

• chemical change

Multiple Choice

Changes in shape and size

• physical change

• chemical change

Multiple Choice

Changes in state

• physical change

• chemical change

• changes an appearance of an object.

• Does not become something different

• You can reverse the change

• Examples:

  • cutting

  • boiling

  • bending

  • dissolving

​

1.Physical Change

Multiple Choice

Which of the following is a physical change?

• burning wood

• baking a cake

• melting ice

Multiple Choice

A physical change does NOT become a new substance.

• True

• False

• change that causes a new substance to be formed.

• Molecules and atoms are rearranged into new ones

• makes smells, gas, or light

• Examples:

  • burning

  • cooking

  • rotting

​

2.Chemical Change

Multiple Choice

Which of the following is a chemical change?

• melting snow

• cutting paper

• burning charcoal

• boiling water

Multiple Choice

What type of change is the broken screen?

• Physical change

• Chemical Change

Multiple Choice

What type of change is this?

• Physical change

• Chemical Change

Multiple Choice

What type of change is the bending rail?

• Physical change

• Chemical Change

Multiple Choice

What type of change is the balloon?

• Physical change

• Chemical Change

Multiple Choice

What type of change is this?

• Physical change

• Chemical Change