Exploring Earth's Spheres

What does 'hydro' in hydrosphere stand for?

• Ice

• Water

• Earth

• Air

Which sphere contains all the water on Earth?

• Atmosphere

• Hydrosphere

• Geosphere

• Biosphere

Which sphere includes the oceans, lakes, and rivers?

• Biosphere

• Atmosphere

• Hydrosphere

• Geosphere

What is the lowest layer of the atmosphere called?

• Exosphere

• Mesosphere

• Troposphere

• Stratosphere

Which layer of the atmosphere contains most of the air?

• Thermosphere

• Troposphere

• Mesosphere

• Stratosphere

Where does all our weather occur?

• Stratosphere

• Exosphere

• Troposphere

• Mesosphere

What protects us from harmful sun rays?

• Exosphere

• Stratosphere

• Thermosphere

• Mesosphere

What is the highest layer of the atmosphere?

• Exosphere

• Thermosphere

• Stratosphere

• Mesosphere

Where do clouds belong in Earth's spheres?

• Geosphere

• Hydrosphere

• Biosphere

• Atmosphere

What part of the atmosphere pushes the waves around?

• Sunlight

• Wind

• Clouds

• Rain