Virginia Science 8 SOL: Matter & Atomic Theory Vocabulary

Vocabulary flashcards covering key definitions, physical and chemical properties, and states of matter from the Unit 1 lecture notes.

Matter

Anything that has mass and takes up space.

Measure

To find the size, amount, or degree of something using tools.

Shape

The form or outline of an object.

Temperature

How hot or cold something is.

State

The physical form matter takes: solid, liquid, or gas.

Color

What we see when light reflects off an object.

Hardness

How difficult it is to scratch or break something.

Texture

How something feels when you touch it.

Odor

The smell of something.

Mass

The amount of matter in an object.

Volume

The amount of space something takes up.

Weight

How heavy something is, based on gravity.

Solid

A state of matter with a fixed shape and volume.

Liquid

A state of matter with a fixed volume but no fixed shape.

Gas

A state of matter with no fixed shape, no fixed volume.

Density

How much mass is packed into a certain amount of space.

Conductivity

How well something lets heat or electricity pass through it.

Luster

How shiny or dull a surface looks.

Malleability

How easily a material can be bent or shaped without breaking.

Boiling Point

The temperature at which a liquid turns into a gas.

Solubility

How well a substance can dissolve in a liquid.

Reactivity

How easily a substance reacts with other substances.

Combustible

How easily a substance can catch fire and burn.

Flammable

How quickly something catches fire.

Acidity

How acidic a substance is; acids taste sour and can react with metals.

Basicity

How basic (or alkaline) a substance is; bases feel slippery and can neutralize acids.

State of Matter

The form matter takes: solid, liquid, gas, or plasma.

Plasma

A state of matter like gas, but with charged (ionized) particles.