A type of rock that is used to write on blackboards

Round, like a ball (the earth is considered to be this shape)

The northernmost part of the globe

The uppermost layer of soil

The continent that contains the countries of France, Germany, and Italy

A shiny black rock used for arrowheads

The earth's pathway around the sun

The southernmost part of the globe

Decayed material in soil

The coldest and smallest ocean

Forms most of the earth's crust under the continents

The spinning motion of the earth

The imaginary line that splits the earth into two halves across.

Matter that settles to the bottom or sides of a body of water

The continent which contains the countries of Brazil, Chile and Peru

Used for blackboards

The amount of time measured by one revolution

The half of the globe that is north of the equator

The wearing away of the earth's topsoil due to water and wind

The largest ocean

Made from pebbles or cobbles cemented together

The imaginary line that runs north and south through the earth

The half of the globe that is south of the equator

A deposit of sand and soil at the mouths of some rivers.

The warmest ocean