biosphere
What is the biosphere?
All living things on Earth.
What is the hydrosphere?
All the water on Earth.
What is the geosphere?
Earth's rocks, soil, and land.
What is the atmosphere?
The layers of gases surrounding Earth.
What does it mean to obtain information?
To gather or collect information from reliable sources.
Name two living things that are part of the biosphere.
Any two: plants, animals, humans, insects, fungi, bacteria.
Name two places where water can be found on Earth.
Oceans, rivers, lakes, glaciers, groundwater, etc.
Name one resource people get from the geosphere.
Minerals, metals, rocks, fossil fuels, soil.
Which gas do humans need from the atmosphere to survive?
Oxygen.
Name two sources scientists can use to gather information.
Books, articles, videos, interviews, websites, observations, images...
How can cutting down forests affect the biosphere?
Animals lose habitats and food sources.
What is runoff?
Water that carries pollutants into rivers, lakes, or oceans.
What is erosion?
The movement of soil and rock by water or wind.
What are emissions?
Gases released into the air.
Why should scientists use more than one source?
To get accurate and reliable information.
The Arabian Oryx almost disappeared from the wild. What human action helped its population recover?
Conservation programs, protected habitats, and breeding programs.
Why are oil spills harmful?
They pollute water and harm aquatic plants and animals.
How can mining negatively affect the geosphere?
It can damage land, remove vegetation, and increase erosion.
How do trees help the atmosphere?
They absorb carbon dioxide and release oxygen.
A student reads an article and watches a video about pollution. What is the student doing?
Obtaining and combining information from multiple sources.
A river becomes polluted and many fish die. Explain how this affects the biosphere.
Fish populations decrease, food chains are disrupted, and other living things that depend on the fish are affected.
Singapore recycles water through NEWater. How does this help protect water resources?
It reduces water waste and provides a sustainable source of clean water.
Why is reclaiming land after mining important?
It helps restore habitats, reduce erosion, and improve environmental health.
Why does using solar energy help the atmosphere?
It reduces emissions from burning fossil fuels and decreases air pollution.
A community wants to reduce pollution. Scientists study air quality and share their findings. Why is communicating this information important?
It helps communities make informed decisions and take action to protect the environment.