Matter and the physical & chemical changes

Matter I

physical & chemical changes

by Monica Youssef

​Definition of matter

• ​Matter is anything that has mass and takes up volume.

• ​To be able to determine if a specific thing is a matter or not ask yourself: 1)Does it have mass? 2)​Does it take up space?

• ​If the answers are yes then this is an example of matter.

Multiple Choice

_{Matter has two main properties mass and volume}

• True

• False

Multiple Choice

_{Volume is the amount of space that matter takes up}

• True

• False

Multiple Choice

Anything that has mass and takes up space.

• Atom

• Matter

• Element

• Neutron

Multiple Choice

Which of the following are examples of matter?

• A dog

• Carbon dioxide

• Ice cubes

• A moving car

• All are examples of matter

Multiple Choice

Which item is not made of matter?

• air

• water

• a pencil

• a shadow

Multiple Choice

Sunlight is an example of matter

• True

• False

​Physical vs Chemical changes

• ​Physical changes only change the appearance of a substance, not its chemical composition.

• N.B Physical changes are reversible​

• ​Chemical changes cause a substance to change into an entirely new substance with a new chemical formula.

• ​N.B Chemical changes are irreversible.