Science Vocabulary

Review for FCAT

How to answer a question.

• Read each question• Look at your choices• Then choose your best answer

The smallest possible particle of matter

atom

element

volume

molecule

A particle made of two or more atoms

atom

element

molecule

Change of state

Substance having just one kind of atom

hydrogen

atom

molecule

element

Process of melting or freezing

compound

Change of state

State of matter

Chemical change

Results in a new substance

Physical property

Physical change

Chemical change

Change of state

Another name for chemical change

element

Chemical reaction

Change of state

Physical change

The amount of space an object takes up

mass

matter

compound

volume

A solid, liquid, or a gas can be one

mass

volume

State of matter

matter

Takes the shape of their containers and have a definite volume

liquid

matter

gas

solid

No definite shape or volume

liquid

solid

gas

Change of state

Different kinds of matter mixed completely with each other

solubility

mixture

matter

solution

A measure of how much material will dissolve in another

liquid

solid

solubility

solution

Two or more substances that are combined without changing any of them

gas

mixture

solid

solutions

Anything that takes up space and has mass

matter

solution

liquid

mass

A push or pull that causes a change in motion

friction

matter

mixture

force

A force that works against motion

force

gravity

friction

matter

Forces that act on an object but cancel each other out

Unbalanced force

friction

gravity

Balanced force

Act on an object-motion changes

Balanced force

friction

work

Unbalanced forces