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This guide provides essential vocabulary and concepts for science questions on the FCAT. Explore key topics including the smallest particles of matter like atoms and molecules, the properties and states of matter (solid, liquid, gas), changes of state (melting, freezing), and types of mixtures (solutions, compounds). Learn about physical and chemical changes, the properties of substances, and the forces that affect motion, such as friction and gravity. Master these concepts to excel in your assessment and enhance your scientific vocabulary.
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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