Understanding Earth's System

What is a system?

• A type of machine

• A collection of ideas

• A single object

• A group of parts that interact

What does the atmosphere consist of?

• Only oxygen and hydrogen

• Water vapor only

• Solid particles

• A mixture of gases

What is the biosphere?

• All living things on Earth

• The water bodies on Earth

• The air around Earth

• Mountains and valleys

What does the geosphere include?

• The solid part of the Earth

• The atmosphere

• The oceans

• The plants and animals

What is the hydrosphere?

• All the water on Earth

• The clouds in the sky

• The living organisms

• The crust of the Earth

What are the four parts of the Earth's system called?

• Segments

• Blocks

• Circles

• Spheres

How do the parts of Earth's system interact?

• Like gears in a machine

• Not at all

• Independently

• Randomly

What is an example of Earth's system interaction?

• The growth of deserts

• The movement of the Sun

• The rotation of the Moon

• Volcanic eruptions

What does the growth of a plant demonstrate?

• Isolation of biological elements

• Interaction of Earth's spheres

• Activity of aquatic systems

• Functioning of the atmosphere alone

What process allows plants to absorb carbon dioxide and release oxygen?

• Respiration

• Condensation

• Filtration

• Photosynthesis