Matter, Properties, and Gases

What is matter?

• Anything that gives off light

• Anything that has mass and takes up space

• Anything that is alive

Tags

NGSS.5-PS1-1

NGSS.5-PS1-3

What is an element?

• A pure substance made of only one kind of atom

• A mixture of two liquids

• A gas that changes shape

Tags

NGSS.MS-PS1-1

Which is an example of an element?

• Water

• Oxygen gas

• Salt water

Tags

NGSS.MS-PS1-1

What is a compound?

• A gas that fills its container

• A pure substance made of two or more elements joined

• A mixture of two solids

Tags

NGSS.MS-PS1-1

Which is an example of a compound?

• Gold

• Salad

• Water (H₂O)

Tags

NGSS.MS-PS1-1

What is a mixture?

• A substance made of only one atom

• Two or more substances physically mixed

• A substance that cannot change

A heterogeneous mixture is one where:

• It looks the same everywhere

• You can see the different parts

• It is made of only one element

Which is a heterogeneous mixture?

• Salt water

• Sand and rocks

• Kool-aid

A homogeneous mixture (solution):

• Looks the same everywhere

• Always has bubbles

• Creates a new substance

Which is a homogeneous mixture?

• Salad

• Rocks

• Kool-Aid