Exploring Earth's Spheres and Currents

Which layer of the atmosphere is closest to Earth's surface?

• Stratosphere

• Troposphere

• Mesosphere

• Thermosphere

What is the main component of the hydrosphere?

• Rocks

• Water

• Air

• Soil

Tags

NGSS.MS-ESS2-4

Which sphere includes all living organisms on Earth?

• Geosphere

• Biosphere

• Atmosphere

• Cryosphere

Which layer of the atmosphere contains the ozone layer?

• Troposphere

• Stratosphere

• Mesosphere

• Thermosphere

What is the Earth's outermost solid layer called?

• Mantle

• Core

• Crust

• Lithosphere

Which sphere is primarily made up of frozen water?

• Hydrosphere

• Cryosphere

• Biosphere

• Geosphere

What are convection currents?

• Movements of air in the stratosphere

• Circular movements of fluid caused by temperature differences

• Movements of tectonic plates

• Ocean tides

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

Which atmospheric layer is directly above the stratosphere?

• Troposphere

• Mesosphere

• Thermosphere

• Exosphere

Which of the following is NOT a component of the biosphere?

• Plants

• Animals

• Rocks

• Microorganisms

What is the main function of Hadley cells in Earth's atmosphere?

• To create ocean currents

• To circulate air between the equator and 30° latitude

• To form the ozone layer

• To produce earthquakes

Tags

NGSS.MS-ESS2-6