The Earth's sun is an average sized this.

Other stars, like our sun, look like little points of lights in sky because of this.

Our moon orbits this.

The sun is more than a million times greater in this than the Earth.

The five major bodies in the solar system are these.

The interval of this topographic map is this number.

Burning fossil fuels is one factor that can contribute to this.

Studying earthquake waves have helped scientists determine this.

Latitude travels in this direction (horizontally or vertically)

This side has the steepest slope.

The condition of this at a certain time is weather.

Weather is caused by this.

The average year after year conditions.

The boundary between two air masses.

When air remains stationary over a large section of the Earth's surface, this is formed.

If you add heat and pressure to a rock it will become this type of rock.

A rock that undergoes weathering, erosion, compaction and cementation, this type of rock is formed.

When magma or lava cools, this type of rock is formed.

The thin layer of water on top of the Earth's surface.

The earth's surface is covered with a rocky called this.

Geologists think that the movement of Earth's plate is caused by this.

The Earth is divided into these three layers.

When two plates are moving towards each other this type of plate boundary is formed.

Volcanoes are most likely to form on this.

Tectonic plates move on top of the partially melted section of the mantle as heat is circulated through this process.

A mineral that is black, has fracture, is metallic and is attracted to magnets is this type of rock.