States of Matter
Properties of Matter
Changing States
Molecules
Experiments
100
Solid, Liquid, or Gas?
Liquid
100
What are the 3 states of matter?
Solid, liquid, and gas.
100
What is it called when a SOLID turns to a LIQUID?
Melting
100
What are the smallest units of matter called?
Molecules
100
During our experiment, we mixed sand and water. Does sand dissolve in water?
No, it settles at the bottom of the cup.
200
Solid, liquid, or gas?
Gas (helium)
200
Matter is anything that has _______.
Weight
200
What is it called when a LIQUID turns into a SOLID?
Freezing
200
In this state of matter, molecules are very close together with little spaces.
Solids
200
During our experiment, we mixed salt with water. What happened?
The salt dissolved in the water.
300
What is water called when it is a solid?
ice
300
Matter is anything that takes up ______.
Matter is anything that takes up space.
300
True or false : Does heat cause a solid to change its state?
Yes, a solid can change to a liquid with heat (melting)
300
True or false: the molecules in a liquid can move around.
True
300
What liquid does not mix with water?
Oil, it sits at the top of the water.
400
What is water called when it is a gas?
Steam or water vapour.
400
This type of matter keeps its own shape. It can be cut, broken, or folded.
Solids
400
Why can melting water be dangerous for people?
Extreme melting can cause flooding which can damage houses and leave people in unsafe situations.
400
Describe how the molecules in a gas look like.
Big spaces between molecules and molecules are constantly moving.
400
Name 2 things that float in water and 2 things that sink in water.
Float: popsicle stick, straw, apple
Sink: key, scissors
500
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
500
This type of matter takes the shape of the container. It can flow and pour.
Liquid
500
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.
500
true or false: everything in the world does not have molecules.
false
500
What does this symbol mean and what should we do to be safe?
Flammable, it means the material can catch on fire.
Keep away from hot temperatures and let a grown up use the material.