Understanding Earth's Geosphere

What is the geosphere primarily composed of?

• Gases and liquids

• Rocks and minerals

• Plants and animals

• Water and air

Which layer of the geosphere is the outermost?

• Crust

• Mantle

• Core

• Lithosphere

What is the main characteristic of the crust?

• It is made of heavy metals

• It is very thick

• It is composed of lightweight rock

• It is the hottest layer

Which elements are most commonly found in the mantle?

• Carbon and hydrogen

• Iron and magnesium

• Nitrogen and helium

• Oxygen and silicon

What is the core of the Earth primarily made of?

• Metals

• Basalt

• Granite

• Sandstone

How is the Earth's core similar to a boiled egg?

• The core is like the eggshell

• The core is like the egg white

• The core is like the egg yolk

• The core is like the entire egg

Which continent is located south of North America?

• Europe

• Asia

• South America

• Africa

How many ocean regions are there on Earth?

• Six

• Four

• Five

• Three

What type of rock is the oceanic crust primarily made of?

• Sandstone

• Basalt

• Granite

• Limestone

Which type of crust is thicker, especially under mountains?

• Oceanic crust

• Neither has thickness

• Continental crust

• Both are the same