What is Matter?
Give one example of matter.
could be anything (eg. waterbottle)
This type of change does NOT create a new substance.
Physical Change.
In this state, particles are tightly packed.
This is the amount of matter.
mass
You can see parts in this type of mixture.
Mixture.
Define Matter.
Matter is anything that has mass and takes up this.
Ice melting is this type of change.
Physical change.
In this state, particles move freely past each other but keep proximity.
Liquid
This is the force of gravity.
Weight
Salt water is a
Solution
Is air matter? Explain.
yes, because it has mass and takes up space
Name one sign of a chemical change.
colour change, oxidation
In this state, particles are far apart and are going everywhere.
Gas
Which stays the same everywhere?
mass
Why can’t you see salt in water?
it dissolves and spreads evenly
Does matter have to be visible?
no.
Is vinegar and baking soda a physical or chemical change?
Chemical Change.
What happens to particles when heat is added?
They move faster and spread apart.
Where would you weigh less: Earth or the moon? and why?
The moon.
Sand and water is a...
mixture
Why is your desk considered matter and what to the particles in a desk look like?
because it has mass and takes up space. Close together they vibrate
Why is cooking an egg a chemical change?
because a new substance forms and it cannot be changed back to raw egg
What is the boiling and freezing temp?
0 degress for freezing and 100 degrees for boiling.
Explain why weight changes but mass does not.
weight depends on gravity, mass is the amount of matter.
Give me an example of a mixture and a solution?
anything.