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What are Renewable and Nonrenewable Resources?
Transcript of What are Renewable and Nonrenewable Resources?
What are natural resources?
People and Resources
Before You Move On
1. Name at least five natural resources.
How do fossil fuels form?
What are renewable and nonrenewable resources?
Natural resources are materials that are found on Earth that people use.
What natural resources do you see?
Renewable resources are materials that are continually being replaced and will not run out.
How are these resources renewable?
Bamboo grows very quickly
The sun sends energy to the Earth everyday
The wind never runs out
Algae grows very quickly
Nonrenewable resources are materials that cannot be replaced quickly enough to keep from running out.
Coal was formed by ancient plants slowly forming coal over thousands or millions of years
Can you guess why these resources are called "fossil fuels"?
Oil is formed over thousands or millions of years from ancient animals.
Ore is rock that contains metal.
A fossil fuel is a source of energy that formed from the remains of things that lived millions of years ago.
Conservation is the protection and care of natural resources.
2. Why are trees considered a renewable resource?
3. How do renewable and nonrenewable resources differ?
The Water Cycle
Sunlight and Air
humans use them
they are from the Earth
we use them for energy
The future of energy
regrow or recycle quickly
can be alive
Will not run out
do not regrow
will run out one day
Sunlight is needed for photosynthesis
Air is also necessary for photosynthesis
How do you and I use air?
How does photosynthesis help us?
This building is made of mostly rocks, can you tell me how?
Rocks are used in concrete
Sand is used to make glass
Granite and marble are used for countertops and floors
How do we make aluminum cans?
How do we make steel?
Fuels that formed millions of years ago from the remains of animals and plants are called "fossil fuels".
How do we use fossil fuels?
Weathering breaks rock down into tiny particles
Plant and animal material decays and forms humus
Humus helps new plants grow
No till farming
Farming is where we get most of our food. It all around the world. Certain types of farming can cause soil erosion. If the soil erodes, it becomes less able to grow more food, less able to clean water, and hurts the environment.
Where does the water we use come from?
How much water do we use?
Where will our energy come from in the future?
Material that are found on Earth that people use.
Rock that contains metal.
Fuels that formed from the remains of things that lived millions of years ago.
The protection and care of natural resources.
Resources that are continually being replaced and will not run out.
Resources that cannot be replaced and quickly enough to keep from running out.
Big Idea Review
What are natural resources?
How is ore different from other rocks?
What role does the sun play in the water cycle?
Explain the process of how coal is formed.