The Earth

The Earth is a ____________

• continets

• crust

• planet

The Earth is a ball of rock, metal and water, surrounded by a layer of gas called the ________________.

• atmosphere

• core

• mantle

The center of the Earth is a ball of metal called the Earth's _____________.

• mantle

• continents

• core

The core is surrounded by the ___________

• mantle

• atmosphere

• core

The thin solid outer layer of the Earth is called the ______________

• core
• mantle
• crust

The Earth's crust is thickest under the _________.

• mountains
• oceans
• continents

The outside layer of the Earth. _____________.

• crust
• core
• mantle

The material at the center of the Earth. ______________.

• mantle

• crust

• core

The layer of gas that surrounds the Earth. ___________

• atmosphere
• space
• ocean

One of six large areas which form most of the dry land on the Earth. ____________

• continent
• lake
• ocean