Copy of G5 3.1

Which of the following is a part of the hydrosphere?

• Water
• Air
• Rocks
• Plants

Rocks are broken down into smaller particles during ........ process.

• photosynthesis
• weathering
• erosion
• respiration

Water covers nearly ........ of the Earth planet.

• 1/4
• 1/2
• 1/5
• 3/4

On heating some water, it changes from ........ state to ........ state

• solid – liquid
• liquid – solid
• liquid – gas
• gas – liquid

At the beginning of the water cycle in nature, water .......... and goes into the air forming ..........

• freezes – snow
• evaporates – clouds
• freezes – clouds
• evaporates – snow

Presence of dolphins in oceans represents an interaction between .......... and ..........

• biosphere – hydrosphere
• biosphere – geosphere
• hydrosphere – atmosphere
• hydrosphere – geosphere

Mountains and valleys are parts of ..........

• geosphere
• atmosphere
• biosphere
• hydrosphere

Nitrogen and oxygen are gases that make most of the ..........

• biosphere
• geosphere
• hydrosphere
• atmosphere

96.5% of Earth's water is ..........

• salt water
• boiling water
• fresh water
• frozen water

Formation of lakes is an example of an interaction between .......... and ..........

• biosphere - hydrosphere
• atmosphere - biosphere
• hydrosphere - geosphere
• geosphere - atmosphere