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3. What is Humus?
Decayed plant
and animal
matter in
soil…adds
nutrients to the
soil!

4. Soil is Renewable
Soil covers most of Earth’s land surface
There are many different kinds of soil
Soil is a natural resource

5. Subsoil is the next layer of soil under topsoil…it is made mostly of small rocks!

7. Why is sandy soil not good for
Growing plants?

10. It is _______ faster than it can be _______.

11. Did you know coal can be traced back to the sun’s energy. Coal was
first used to power trains. Can you think of anything else we use a
form of coal for? Have you ever gone camping and used Charcoal to
make a fire with? Coal has many uses!

12. It captures?

13. They may release __________ _____________ which may cause ___________ ___________!

14. Give examples of two living and two nonliving things that support life on Earth.
And how to they support life? (2-3 sentences)
Explain how Solar Energy works in nature. (2 sentences)
Vocabulary Words:
SOLAR ENERGY, HUMUS, SOLAR CELLS, ORE, FOSSIL FUELS, PETROLUEM,
CONSERVATION, RECYCLING, RENEWABLE, NON-RENEWABLE