Physical and Chemical Change

Which of the following will result to phase change?

• Adding food color to water

• Leaving ice cream on a plate

• Placing a pineapple on a weighing scale

• Grinding fresh coffee beans

What does the picture represent ?

• physical change

• chemical change

A chemical change may involve

• formation of gas bubbles

• Change in temperature

• Change in color

• All of these

Is this an example of a physical or chemical change?

• physical

• chemical

Exploding Fireworks?

• Physical Change 
• Chemical Change 

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

• chemical change

• physical change

Rust on a bike is an example of chemical change.

• True

• False

Rotting fruit produces a bad smell. This happens because the fruit is experiencing a

• physical change

• chemical change

A physical change...

• changes the physical properties of an object, but does not create a new substance.

• creates a new substance and cannot be undone.

A chemical change

• changes the physical properties of an object, but does not create a new substance.

• creates a new substance and cannot be undone.