Matter or Not
What is matter?
Anything that ha mass and takes up space
What are the three main states of matter?
Solid, liquid, and gas
What usually makes matter change state?
Temperature
What happens to a solid, liquid, or gas when it is heated?
It expands (gets bigger)
What is a mixture?
Two or more types of matter in one place
what are some examples of matter?
rocks, water, books...
What are some examples of solids?
Books, tables, pencils, pens...
What is the change from solid to liquid called?
Melting
What happens to a solid, liquid, or gas when it is cooled?
It contracts (gets smaller)
What does it mean to separate a mixture?
To take it apart so that it is no longer mixed.
What are some things that are not matter?
time, temperature, feelings, thoughts...
What are some examples of liquids?
Water, oil, cola ...
What is the change from liquid to gas at low temperatures called?
evaporation
What happens to water and some metals when they become soloid?
They expand again?
What is a solution?
A mixture in which a solid has been dissolved into a lquid and is not easily separated.
Is air matter?
How do we know?
yes
Air takes up space in a balloon.
A balloon filled with air has more mass than and empty ballooon.
What are some examples of gases?
Air (a mixture) oxygen, carbon dioxide, helium, cooking gas...
What is the change from gas to liquid called?
condensation
How did expanding gases help us?
Hot air balloon, steam engine...
What are some things that will dissolve in water?
Salt, sugar, baking soda...
Besides air, when do we experience matter we can not see?
Salt dissolved in water.
Are clouds solid, liquid, or gas?
How do you know>\/
Clouds are tiny drops of liquid.
I know this because I can see clouds.
Where might you see condensation?
Your bathroom mirror, grass in the morning, a cold drink bottle on a hot day...
How do nexpanding solids help us?
Making machine parts fit.
How does temperature affect the speed of dissolving?
Hotter liquids will dissolve solids faster.