Earth's Layers

The layer of Earth that we live on is called the _____.

Earth's core is mostly made of...

• lava

• iron

• silicates

• water

The hottest layer of Earth is the ​ (a)   .

• core
• mantle
• crust
• lava

Earth's mantle is made mostly of rocky ​ (a)   .

• silicates
• carbon
• rocks
• Balboa

The outer core is about ​ ​ (a)   km deep.

• 2266
• 2400
• 1200
• 50

Earth's crust is made of 3 types of rocks: igneous, ______, and sedimentary.

• meta-human

• metagirlilike

• metamorphic

• Metamucil