water

complex system that includes living organisms and nonliving things, means

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The type of sphere that includes all water in the Earth

• Hydrosphere

• Biosphere

• Geosphere

• Atmosphere

What type of spheres is shown in the picture?

• Hydrosphere

• Atmosphere

• Geosphere

• Biosphere

All of these pictures show parts of geosphere, except.

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How does water affect nonliving things?

• Weathering

• Erosion

• Both of them

• None of them

The breakdown of rocks into smaller particles, means?

• Erosion

• Water

• Weathering

Look at this picture, What percentage of Earth is covered by water?

• 71%

• 50%

• 75%

• 30%

There are many sources of water on Earth such as

• Seas

• Lakes

• Groundwater

• All of the above

Water changes from the liquid state to the gas state by

• Heating

• Freezing

• Evaporation

Look at this picture, on freezing water change from _______ state, to _______ state

• Gas --Liquid

• solid --Gas

• liquid --Solid

• liquid--gas