Oceans
Weather
Motion
Space
Earth
100

Surface currents are a result of this.

Wind

100

Wispy white clouds usually made of ice crystals at high altitudes

Cirrus Clouds

100

A body in motion tends to stay in motion and a body at rest tends to stay at rest.

Inertia

100

The center of the milky way our universe

Sun

100

Made mostly of iron and has two parts a solid innermost layer and a molten outer layer

the Core of the Earth

200
Deep ocean currents are a result of this.

Density

200

Clouds forming a towering mass with a flat base at fairly low altitude and often a flat top, as in a thunderstorm.

Cumulonimbus Clouds

200

Capacity to gain speed in a short amount of time

Acceleration

200

The third planet in our solar system

Earth

200

70% of the Earth's surface is covered by this

Water

300

The ocean tides are affected by the gravitational pull of these two celestial bodies.

Moon and Sun

300

Forming over tropical waters when winds reach over 74 mph can cause widespread devastation when reaching land

Hurricane

300

For every action there is an equal and opposite reaction

Newton's Third Law of Motion

300

Cosmic snowball orbiting the sun

comets

300

A geological process in which the oceanic lithosphere is recycled into the Earth's mantle at convergent boundaries.

Subduction

400

 A growing collection of marine debris in the North Pacific Ocean.

The Pacific Garbage Patch

400

Forming over land and lasting no more than a few minutes these violent twisting column of air with high force winds drop down from a thunderstorm

Tornado

400

Any push or pull on an object

Force

400

Appears to hold still while the entire northern sky turns around it; marks the way due North

Polaris

400

These slowly erupting volcanoes found in Hawaii have  smooth lava flows

Shield Volcanoes

500

A tide just after the new moon, when there is the greatest difference between high and low water

Spring Tide
500

A nickname given to a region of central states Texas, Iowa, Oklahoma, Kansas Nebraska, South Dakota, Colorado, New Mexico known for these devastating twisters.

Tornado Alley

500

A natural phenomena that all thing with mass are pulled toward the center of another body

Gravity

500

Located between Jupiter and Mars containing many irregularly shaped bodies smaller than planets

Asteroid Belt

500

Rock formation that has distinctive layers and are formed by deposition and solidification

Sedimentary Rocks