Unit 1-839

True or False: a physical change may produce a new substance.

• True
• False

Which of the following is an example of a physical change?

• sugar and oxygen reacting to produce water and carbon dioxide
• honey dissolving in tea
• a raw egg being cooked
• metal rusting after being left out in the rain

A copper penny turning greenish after a few years is an example of ...

• Chemical Change
• Physical Change

A change in which NEW substances are formed.

• Chemical change
• Physical change
• Casual change
• Formal change

Bubbles form when two or more substances are combined ...

• Chemical Change
• Physical Change

An explosion occurs ...

• Chemical Change
• Physical Change

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

• chemical change
• physical change

What is chemical change?

• How two chemicals react with one another when combined

• A property that we can measure or observe with our 5 senses or other tools

• When two chemicals react with one another to form a new substance

• When a change occurs but it does not result in the formation of a new substance

Matter is made of tiny particles called atoms and molecules.

• True

• False

State of matter that takes the shape of it's container and has a definite volume.

• Solid state

• Liquid state

• Gas state

• Plasma state