Earth's Valuable Resources Flashcards
What are earth’s most important resources?
Air, water, soil, forest, and minerals
Natural resource
Any material in nature that people use or value
People (blank) the materials earth provides for us. What are some examples of this?
Utilize
Trees = paper
Oil = plastic
We change natural resources to make what?
Something knew
Can we change all resources?
No example: wind
What is an example of a resource we do change?
Metal = bike
What are the 2 types of natural resources?
Renewable and non renewable
Non renewable resource
Something that can run out
Example: coal
Renewable resource
Resources that the earth can replace naturally
Example: trees
How long can renewable resources last?
Forever if we use them wisely
Is it important to manage natural resources?
Yes
How can we run out of natural resources?
By taking more than we put back
Deforestation
Clearing of trees
Reforestation
Planting trees to replace forest
Where does the energy we use today come from?
The dinosaurs (fossil fuel)
Are fossil fuels renewable or nonrenewable resources?
Nonrenewable
Why is burning coal harmful?
It pollutes the air and harms the land
What do we use coal for today?
We use it to make electricity
What is petroleum removed from the ground as?
Crude oil
After petroleum goes to the refinery it is turned into what?
Plastic, make up, gas, diesel fuel, jet fuel
Is oil harmful to the environment?
Yes
What are oil spills harmful to?
Wildlife
Oil pollutes what?
The air
What is the cleanest burning fuel?
Natural gas
What is natural gas mainly used for?
Cooking and heating
Some cars run on natural gas to cause was?
Less pollution
Hydroelectric power
Water power
What are pros and cons to hydroelectric power?
Pros - it’s energy that is clean and doesn’t pollute
Con - create lakes that take up farmland and wildlife habitats
Wind power
Power generated by wind mills
Solar power
Heat or solar panels
Geo thermal power
Steam or hot water to make energy
How do we obtain nuclear energy?
By splitting atoms
Is nuclear energy renewable or non?
Non
What does nuclear energy produce?
Dangerous waste
How long does nuclear waste have to be stored before it is safe again?
1000 years
Mineral resources are what?
Valuable
What are examples of mineral resources?
Metal, salt, rock, and gemstone
Minerals are where?
Everywhere
What do we use minerals for?
Cooking and eating
Are minerals renewable or non?
Non
Natural resources what from place to place?
Vary
The resources available to us affect what?
Our daily lives
Different areas need different whats to survive
Resources
People will use what to create what they need?
The resources around them
What is an example of people using the things around them to create what they need?
Rainforests people make canoes out of logs
The availability of natural resources affects what?
Countries
The more you have the…
Richer you are
The less resources you have the…
Poorer you are
Despite having few few resources we can do what for what we need?
Trade
