Unit 8: Climate Change & Human Impact

Deforestation

• The action of clearing a wide area of trees.

• The process of planting new trees in a forest.

• The practice of conserving forest areas.

• The method of harvesting timber sustainably.

Conservation

• The action of conserving something, in particular.

• The process of destroying natural habitats.

• A method of increasing pollution levels.

• The act of ignoring environmental issues.

Infinite resource

• A resource that is available in unlimited amounts.

• A resource that is scarce and limited.

• A resource that can be replenished quickly.

• A resource that is only available in certain regions.

Fossil fuels

• Natural fuels such as coal or gas, formed in the geological past from the remains of living organisms.

• Renewable energy sources like wind and solar power.

• Synthetic fuels created from chemical processes.

• Mineral resources extracted from the earth's crust.

Carbon dioxide

• A colorless, odorless gas produced by burning carbon and organic compounds.

• A colored gas used in fireworks.

• A liquid used in refrigeration systems.

• A solid compound found in rocks.

Finite resource

• A natural resource that is not replenished with the speed at which it is consumed.

• A resource that can be renewed quickly and easily.

• A resource that is abundant and available in unlimited quantities.

• A resource that is only found in specific geographic locations.

Renewable resource

• A resource which can be used repeatedly and replaced naturally.

• A resource that is finite and cannot be replenished.

• A resource that is only available in certain seasons.

• A resource that is harmful to the environment.

Population growth

• The increase in the number of individuals in a population.

• A decrease in the number of individuals in a population.

• The movement of individuals from one area to another.

• The total number of individuals in a specific area at a given time.

Ice cores

• Cylindrical samples from ice sheets or glaciers that provide valuable information about past climates.

• Solid blocks of ice used for construction purposes.

• Frozen water found in polar regions that has no scientific value.

• Layers of ice formed from ocean water that are used for drinking water.

Preservation

• The action of preserving something, in particular.

• The process of destroying something completely.

• A method of creating new materials.

• The act of ignoring important details.