Impact on the Enviroment
What is Urbanization?
The development of land for houses and other buildings near a city
What are ways to conserve water?
How does Carbon dioxide affect climate change?
Carbon dioxide warms the Earth as a greenhouse gas
True or False: Climate change and Global warming are the same thing
False!
How do glaciers contribute to climate change?
When they melt, sea levels rise
What is desertification?
The Development of desert like conditions due to human activity and Climate change
What are dead zones?
Areas that have been affected by runoff, that cause an algal bloom, depleting oxygen in the water, killing the fish and other organisms.
What is Photochemical smog?
Photochemical smog is the result when certain compounds in the air react to sunlight
What is the most commonly burned green house gas?
Fossil Fuels
Why do sinkholes appear?
Sinkholes appear when too much groundwater is being used, leading to a decrease of water in the aquifer
What are 2 impacts of deforestation?
Loss of animal habitats and increased Co2
What happens when household chemicals are disposed of incorrectly?
They contaminate groundwater, kill organisms, and pollute the ocean.
Excess CFC's are destroying our _______ ________
Ozone Layer
DOUBLE JEOPARDY! What is the most commonly alternative energy source used?
Hydropower
What percent of Earth is covered with ice sheets/glaciers?
10%
What ares some ways to practice conservation?
If trees and shrubs are removed (like in a backyard), what can happen and why?
Water can flood, as trees, roots, and shrubs naturally block the flow of water.
How does deforestation effect the amount of Co2 in the atmosphere?
Trees remove carbon dioxide. So if more trees are cut down... there's more Co2
List two results of climate change altering organism patterns
Shifts in seasonal timing, physical alterations, geographic rain shifts
What happens when there are excess sediments in the water?
Excess sediments clog filter feeders (clams, sponges, etc.), and block light from reaching normal depth (killing animals that use photosynthesis
How does Urbanization affect groundwater supplies?
Roads and sidewalks reduce the amount of water soaked up by the soil. Also the risk of flooding due to the increase in stream discharge
What is 1 positive impact of a dam, and 2 negative impacts?
Positive: Constant supply of hydroelectric power, water supply, recreational activities. Negative: Disturbs fish migration, increased the rate of erosion, blockage of sediment deprives the downstream river of nutrients
What is the greenhouse effect?
The natural process when greenhouse gasses in the atmosphere trap heat from the sun and warm our planet
How does bleaching coral affect the environment?
Destroys important habitats for sea creatures
How many major trash islands are present?
Five