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What are natural resources?
Soil
How are resources used for energy?
Nonrenewable energy sources
Making resources last longer
100
What are natural resources?
supplies that nature provides
100
The top layer of soil is called:
Topsoil
100
Where does almost all of the energy we use come from?
the sun
100
What are nonrenewable resources?
supplies that exist in limited amounts or are used much faster than can be replaced in nature
100
What is conservation?
using only what you need as efficiently as possible
200
Name three natural resources
fungi, plants, animals, sun, water, air, etc.
200
The middle layer of soil is called:
subsoil
200
Name three sources of renewable energy
sun, water, air
200
Name three nonrenewable resources
coal, natural gas, oil
200
True or false: conserving energy will help our supply of fossil fuels last longer
true
300
Earth has two types of natural resources, one is renewable. What is the other?
nonrenewable
300
The bottom layer of soil is called
bedrock
300
What is the name of the device that changes energy from the sun into electrical energy?
solar cell
300
What do we call coal, oil, and natural gas?
fossil fuels
300
What does it mean to recycle?
saving, collecting, or using materials again instead of treating them like waste
400
In what way are plants, insects, people, and birds all alike?
All depend on natural resources
400
Name three key ingredients in soil.
humus, air, bits of rock, minerals, living things
400
True or false: Wind is a renewable source of energy
true
400
What are some possibly harmful effects from using fossil fuels?
oil spills, global warming, pollution, destroy animals homes, etc.
400
How can we conserve energy?
turn off light when we don't need them, ut water all the way off, energy efficient cars, walk, ride bikes, public transportation, etc.
500
Renewable resources cannot be replaced. Is this true or false?
False
500
What is the dark brown decomposing material in soil called?
humus
500
How do we capture and use solar energy?
build houses with many windows and skylights for light, use solar panels to absorb Sun's heat, use solar cells to convert Sun's energy to electricity
500
Where can we find some of the richest oil deposits in the world?
under the ocean floor