What is matter?
What is matter?
Anthing that has mass and takes up space
What does soluble mean?
Able to dissolve in a liquid
What is a mechanical mixture?
A mixture where different parts can be seen
What is a solution?
A mixture where 1 substance dissolves in another
In which state are particles tightly packed and vibrating?
Solid
Name 2 exampels of matter
air, water, rock, desk, pencil, etc.
Is sand soluble or insoluble in water?
Insoluble
Give 1 example of a mechanical mixture
Trail mix, salad, sand and gravel
What are the 2 parts of a solution called?
Solute (dissolves) and solvent (does the dissolving)
In which state do particles slide past eachother?
Liquid
Is light considered matter? Why or why not?
No, because it does not have mass or take up space
Sugar in water is an example of what?
A soluble substance
Can the parts of a mechanical mixture be separated?
Yes, they can
In salt water, which is the solute?
salt
In which state are particles far apart and moving freely?
Gas
What are the three main states of matter?
Solid, liquid, and gas
Name 1 soluble and 1 insoluble substance
ex. salt (soluble), flour or oil (insoluble)
Is cereal in milk a mechanical mixture? Why?
Yes, because you can see the different parts
Why does a solution look like one substance?
Because the particles are evenly mixed and too small to see
How are particles arranged in a solution?
Evenly mixed throughout
Why is air considered matter even though we can't see it?
Because it has mass and takes up space
Why is oil considered insoluble in water?
It does not dissovle and stays separate
What is 1 method you could use to separate a mechanical mixture?
sorting, sifting, filtration, magnets
Is muddy water a solution? Why or why not?
No, because the particles do not dissolve
Why don't particles in a solution settle at the bottom?
Because they are dissolved and spread evenly