Matter and Energy
Force, Motion and Energy
Space
Landforms
Organisms and Environments
100

The amount of matter in an object.

Mass

100

The ability to do work.

Energy

100

The path an object, such as a planet, takes as it revolves around another object.

Orbit

100

A large area of flat land.

Plain

100

Any living thing.

Organism

200

States of matter such as solids, liquids, and gases.

Physical State

200

A triangular glass bar that separates white light into the colors of the rainbow.

Prism

200

The partial or total blocking of light of one object by another.

Eclipses

200

An area between two cliffs that formed due to erosion from a river or glacier.

Canyon
200

The complete dying out of an entire species.

Extinct

300

A force that can attract (pull closer) or repel (push away) magnetic materials.

Magnetism

300

Energy stored in chemicals such as food and batteries.

Chemical

300

Turning or spinning on an axis.

Rotation

300

Formed from a fast moving river or a glacier over thousands of years.

Valley

300

The environment where an organism lives.

Habitat

400

How an object feels to the touch.

Texture

400

A force that resists motion when two surfaces are touching each other.

Friction

400

A science tool that used for observing very distant objects in space.

Telescope

400

A mound of sand created by the wind depositing sand in a new location.

Sand Dune

400

The changes that insects and some amphibians go through during their life cycle.

Metamorphosis
500

The density compared to water, sink=more dense, float=less dense.

Relative Density

500

The frictional force air exerts against a moving object.

Air Resistance

500

Each of the four divisions of the year (spring, summer, autumn, and winter) marked by particular weather patterns and daylight hours.

Seasons

500

Forms from deposited land at the mouth of a river.

Delta

500

An organism that hunts and kills another organism for food.

Predator