Our Planet

The video tutorial provides an overview of Earth's components, including the biosphere, hydrosphere, atmosphere, and geosphere. It explains the living and non-living parts of Earth, the water bodies that make up the hydrosphere, the gases in the atmosphere, and the solid materials in the geosphere. The tutorial also delves into the Earth's interior, discussing the heat and pressure that transform solid rock into molten magma.

What is the biosphere composed of?

• The air surrounding Earth

• All living things on Earth

• All water bodies on Earth

• The solid part of Earth

Which of the following is NOT part of the hydrosphere?

• Lakes

• Rivers

• Oceans

• Mountains

What gases are primarily found in the Earth's atmosphere?

• Hydrogen and neon

• Carbon dioxide and methane

• Oxygen and nitrogen

• Helium and argon

What is the geosphere primarily made of?

• Rocks, minerals, and sediments

• Living organisms

• Water and air

• Molten magma and gases

What happens to the temperature as you travel deeper into the Earth?

• It gets colder

• It remains constant

• It gets warmer and then very hot

• It fluctuates randomly