Earth and its habitat

What are the three main layers of the Earth?

• Soil, Water, Air

• Lava, Magma, Rock

• Inner, Outer, Middle

• Crust, Mantle, Core

Which layer of the Earth is the thinnest?

• core

• mantle

• crust

• outer core

The Earth's core is mostly made of?

• Iron and nickel

• Rock and soil

• Water and ice

• Sand and clay

Which layer of the Earth is made of semi-molten rock called magma?

• crust

• outer core

• mantle

• core

The Earth's outermost layer is called the?

• inner core

• crust

• mantle

• outer core

What is a volcano?

• A deep cave

• A large body of water

• A mountain that erupts lava

• A large rock formation

What is magma called when it reaches the Earth's surface?

• lava

• ash

• rock

• steam

What is the opening of a volcano where lava comes out called?

• Crater

• Mantle

• Core

• Tunnel

What comes out of a volcano during an eruption?

• Sand and clay

• Wind and dust

• Lava, ash, and gas

• Rock, fire and oxygen

What causes earthquakes?

• Rainfall

• Movement of tectonic plates

• Sunlight

• Clouds moving