Science Study Guide - Earth's Major Systems

The Geosphere is made up of:

• rocks and minerals

• water and air

• plants and animals

• light and sound

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The Hydrosphere includes:

• only water bodies like oceans and seas

• all water bodies including rivers, lakes, and oceans

• only freshwater sources like rivers and lakes

• only groundwater sources

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The Atmosphere is made up of:

• Oxygen, Nitrogen, Carbon Dioxide, and other gases

• Only Oxygen

• Only Nitrogen

• Only Carbon Dioxide

The Biosphere includes which of the following?

• Only land

• Only water

• Only air

• Animals and plants

What are Renewable Resources?

• Resources that can be replenished naturally

• Resources that are finite and cannot be replenished

• Resources that are man-made

• Resources that are always available

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Nonrenewable resources are:

• Resources that can be replenished naturally over time

• Resources that cannot be replenished naturally over time

• Resources that are always available

• Resources that are man-made

The 3 R's are:

• Reduce, Reuse, Recycle

• Read, Write, Arithmetic

• Rest, Relax, Rejuvenate

• React, Respond, Resolve

What is recycling?

• A process of converting waste into new materials

• A method of disposing waste in landfills

• A way to burn waste materials

• A technique to bury waste underground

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Runoff is:

• the flow of water over land

• a type of soil erosion

• a method of irrigation

• a weather phenomenon

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What are 'Dead Zones'?

• Areas in the ocean with low oxygen levels

• Regions with high biodiversity

• Zones with high human activity

• Places with abundant marine life

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