4 - States of Matter
4 - Changing States
5 - Mixtures and Solutions
5 - Solubility
Physical and Chemical
100
what are the 3 main states of matter?
solids, liquids, gas
100
going from a solid to liquid is called
melting
100
Fruit salad is an example of a
mixture
100
What happens when you mix sand and water?
it doesn't mix; the sand sits on the bottom
100
a fire burning is a
chemical change
200
an ice cube is an example of
solid
200
When water droplets form on the outside of a cup it's called..
condensation
200
An example of a solution is..
iced tea, lemonade, kool aid, chocolate milk, etc.
200
When a solute dissolves easily into a solute we say it has..
high solubility
200
when something changes shape or size it is a
physical change
300
the fourth state of matter is..
plasma
300
What do you need to add or take away in order to go from one state of matter to another?
heat
300
What are the two parts to a solution?
solvent and solute
300
If you want your solution to be more concentrated what should you add?
more solute
300
Name a physical and chemical change that occurs when a candle burns
chemical - wick burns and creates a smell, gas, light and heat physical - wax melts and changes shape and size
400
Lightening is an example of..
plasma
400
Why do people sprinkle salt on the roads in the winter?
help the ice melt faster
400
Why is water called the universal solvent?
Many things dissolve in it
400
solubility is..
the ability of a solid (solute) to dissolve in to a liquid (solute)
400
What 4 clues tell you a chemical change has occurred?
gas, heat, light and colour change
500
Name the state of matter where the particles are spread out and moving the fastest?
gas
500
When something goes directly from a solid to a gas without changing to a liquid first it's called..
sublimation
500
What does dissolve mean?
to melt, to make a solution out of or turn into liquid
500
What is it called when there is too much solute and no more will dissolve?
saturation
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