Unit 6 and 7 Reflection.

2. Matter
Matter is anything that has
mass and takes up space.
Everything has Matter or is
Matter. You are Matter. Books
are Matter. Even a
marshmallow is Matter.
There are 3 states of Matter.
Solid , liquid, and gas.

3. Atom
The smallest particle that
still behaves like the
original matter it came
from.

4. Molecule
Two or more atoms joined
together.

5. Element
Matter made up of
only one kind of
atom.

6. Change of State
A physical change that occurs
when matter changes from
one state to another, such as
from a liquid to a gas.

7. Physical Changes
A change in which the
form of a substance
changes but the
substance still has the
same chemical makeup.

8. Physical Properties
A property that involves a
substance by itself.

9. Chemical Properties
A property that involves
how a substance interacts
with other substances.

10. Chemical Changes
A reaction or change in a
substance, produced by
chemical means, that results
in a different substance.

11. Chemical Reactions
A chemical change.

12. Compound
A substance made of two or
more different elements.

13. Law of Conservation of Mass
The total mass of the
products that form in a
chemical reaction is equal
to the total mass of the
substances that react: No
matter how many pieces an
apple is cut into, the law of
conservation of mass says
that the mass is conserved.