Science Vocabulary

Front

Solid

Back

A state of matter characterized by particles arranged such that their shape and volume are relatively stable.

Front

Universe

Back

All existing matter and space considered as a whole; the cosmos.

Front

Specific Gravity

Back

The ratio of the density of a substance to the density of a reference substance; equivalently, it is the mass of the substance per unit volume.

Front

Metal

Back

A material that is typically hard, opaque, shiny, and has good electrical and thermal conductivity.

Front

Astronaut

Back

A person who is trained to travel in a spacecraft.

Front

Gravitation

Back

A natural phenomenon by which all things with mass or energy are brought toward one another.

Front

Earth

Back

The third planet from the Sun in our solar system, home to all known life.

Front

Metric System

Back

A decimal system of weights and measures based on the meter and the kilogram.

Front

Scale

Back

A device used to measure weight or mass.

Front

Volume (Sound)

Back

The perceived loudness or intensity of a sound.