Climate Change & Glaciers
What are glaciers?
Large slow moving ice made from snow on land.
What is water scarcity?
Not enough clean water for people to use.
What is a watershed?
Land where all water drains into one area.
What are convection currents?
Water moves when warm rises and cold sinks.
What is wastewater?
Dirty water from homes and buildings.
What are polar ice caps?
Large areas of ice at Earth’s North and South Poles.
Name a country with a water crisis.
Example: India or Mexico.
Watersheds are separated by what?
High land called divides.
What drives ocean currents?
Wind, temperature, Earth’s spin, and salt levels.
Why is wastewater treated?
To make water safe again.
What is climate change?
Long term changes in Earth’s temperature and weather patterns.
Why does water scarcity happen?
Drought, pollution, and too much water use.
What are the two water routes in a watershed?
Surface runoff and groundwater.
What are the two types of ocean currents?
Warm currents and cold currents.
What happens in wastewater treatment?
Water is cleaned in steps.
What are some effects of Earth’s warming?
Ice melting, sea level rise, and stronger storms.
What are effects of a water crisis?
Disease, lack of clean water, and poor farming.
Where does stormwater go?
Into rivers, lakes, oceans, or into the ground.
How do oceans affect weather?
They control temperature and rainfall.
Name 3 steps of wastewater treatment.
Screening, filtering, and disinfection.
What human activities cause global warming?
Burning fossil fuels, cutting down trees, and pollution.
How does water scarcity affect people’s lives?
It affects health, food supply, and daily needs.
Why are watersheds important?
They collect and provide freshwater.
What do ocean currents do?
They move heat around the Earth.
Why is wastewater treatment important?
It prevents pollution and protects ecosystems.