Unit 6 and 7 Reflection

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.

Atom

The smallest particle that

still behaves like the

original matter it came

from.

Molecule

Two or more atoms joined

together.

Element

Matter made up of

only one kind of

atom.

Change of State

A physical change that occurs

when matter changes from

one state to another, such as

from a liquid to a gas.

Physical Changes

A change in which the

form of a substance

changes but the

substance still has the

same chemical makeup.

Physical Properties

A property that involves a

substance by itself.

Chemical Properties

A property that involves

how a substance interacts

with other substances.

Chemical Changes

A reaction or change in a

substance, produced by

chemical means, that results

in a different substance.

Chemical Reactions

A chemical change.

Compound

A substance made of two or

more different elements.

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.