Properties of Matter
Force and Motion
Energy
Sun, Earth, and Moon
Earth & Earth's Resources
100

Anything that has mass and takes up space.

Matter

100

A force that occurs between two objects at a distance.

Non-contact force.

100

The stored energy that an object that is stretched or compressed.

Elastic potential energy

100

The rise and fall of ocean water due to the gravitational pull of the Sun and Moon.

Tides

100

The protection, preservation, and careful use of natural resources to prevent waste and ensure they last.

Conservation

200

Describes something that does not have a uniform structure or composition.

Heterogeneous

200

Forces acting on an object that are not equal; forces that cause a change in motion.

Unbalanced force

200

The stored energy of an object due to its height or position.

Gravitational potential energy

200

To move around another object.

Revolve

200

Contains all the living things on Earth.

Biosphere

300

A special group of metals found in Earth's crust that has unique properties

Rare Earth elements

300

The total force acting on an object.

Net force

300

Energy cannot be created or destroyed, only transformed.

Conservation of energy

300

Characterized by unusually high and low tides that occur during new and full moon phases.

Spring tide
300

A type of rock that forms forms magma or lava.

Igneous rock

400

The relationship between the mass and volume of an object or substance.

Density

400

The force that a surface applies to an object with which it is in contact.

Normal force

400

A type of wave where the particles of the medium vibrate perpendicular to the direction the wave travels.

Transverse wave

400

A season marked by increasing daylight hours and temperatures.

Summer

400

The layer of molten rock between Earth's crust and core.

Mantle
500

The process where a substance is changed into a new substance with different properties.

Chemical reaction

500

A force of attraction between two bodies with mass. 

Gravity

500

A type of wave where the particles of the medium vibrate parallel to the direction of the wave travels.

Longitudinal wave

500

An imaginary line around which an object rotates.

Axis

500

A type of rock that forms from intense heat and pressure.

Metamorphic rock

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