Solid, Liquid, or Gas?
Liquid
What are the 3 states of matter?
What is it called when a SOLID turns to a LIQUID?
What are the smallest units of matter called?
Molecules
What tool measures length?

Ruler
Solid, liquid, or gas?

Gas (helium)
Matter is anything that has _______.
Weight
Freezing
In this state of matter, molecules are very close together with little spaces.
Solids
What tool measures mass?
Balance Scale
What is water called when it is a solid?
ice
Matter is anything that takes up ______.
Matter is anything that takes up space.
True or false : Does heat cause a solid to change its state?
Yes, a solid can change to a liquid with heat (melting)
True or false: the molecules in a liquid can move around.
True
What tool measures volume?

Graduated Cylinder
What is water called when it is a gas?

This type of matter keeps its own shape. It can be cut, broken, or folded.
Solids
Why can melting water be dangerous for people?
Extreme melting can cause flooding which can damage houses and leave people in unsafe situations.
Describe how the molecules in a gas look like.
Big spaces between molecules and molecules are constantly moving.

What is the volume in the graduated cylinder?
80mL
Tell me the different states of matter you see in the picture.

Solids - windows, plants, tub, toilet
Liquids - water in tub, toilet
Gas - bubbles in soap, steam, air
This type of matter takes the shape of the container. It can flow and pour.
Liquid
Why can freezing water be dangerous?
Freezing water can form black ice and people can slip.
Ice storms can damage cars, houses, and knock down power lines.
true or false: everything in the world does not have molecules.
false
What is being measured?
The volume of the liquid AND the rock.
Liquid = 20mL
Rock = 10mL
Total Volume = 30mL