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