What Are Earth's Four Systems?

Earth’s four systems work together to make two complex systems, what are they?

• Aquatic and Terrestrial

• Chemical and Physical

• Heterogenous and Homogenous

• Living and Non-living

What does the Greek root “bio-” mean?

• Life

• Air

• Land

• Water

Sedimentary, Igneous, and Metamorphic rocks belong to which of Earth’s four spheres?

• Hydrosphere

• Atmosphere

• Geosphere

• Biosphere

Fill in the blank: _________ is the layer between the geosphere and atmosphere where life is supported or grows.

• Landform

• Soil

• Biology

• Evaporation

What percentage of the Earth's surface is covered in salt water?

• 83%

• 97%

• 3%

• 21%

Fill in the blank: The ________ is the continuous movement of water on, below, or above the Earth's surface.

• Nitrogen Cycle

• Krebs Cycle

• Water Cycle

• Recycle

Earth’s four systems work together to make two complex systems, what are they?

• Aquatic and Terrestrial

• Chemical and Physical

• Heterogenous and Homogenous

• Living and Non-living

What are the three of the five layers of the atmosphere?

• Troposphere

• Mesosphere

• Stratosphere

• Chocolate