Big Idea 6: Earth Structures
Earth’s Resources
Grade 4 Benchmarks
SC.4.E.6.3 Recognize that humans need resources found on Earth and that these are
either renewable or nonrenewable.
SC.4.E.6.6 Identify resources available in Florida (water, phosphate, oil, limestone,
silicon, wind, and solar energy).
Mary Tweedy, Curriculum Support Specialist
Keisha Kidd, Curriculum Support Specialist
Dr. Millard Lightburn, Elementary Science Supervisor
Department of Mathematics and Science
What are some of Earth’s natural resources?
Water
Plants
Sun
Air
Wind
Minerals
Rocks
Land
Soil
Oil
Coal
Animals
Department of Mathematics and Science
What resources are found in Florida ?
Florida has many natural resources:
Beaches
Oil
Citrus
Pine Forests
Cattle
Phosphate
Water
Limestone
Solar Energy
Reefs
What are Renewable Resources?
Nature can produce some resources again
and again. These are called renewable
resources. If we are careful we will not run
out of these resources.
Solar
Energy
Trees
Food
Wind
Energy
Water
What are some
Renewable Resources?
• The sun is a renewable resource.
Energy from the sun is never used up.
• Water is a renewable natural resource.
It evaporates from the oceans, precipitates in the
form of rain and snow, and flows through rivers
and streams back to the oceans.
• Plants are renewable because plants can
grow more plants. Seeds grow into plants
that bear flowers. These flowers, when
fertilized, produce seeds that grow into new
plants.
Department of Mathematics and Science
Florida’s Renewable Resources
Renewable
Resources
Why are renewable resources
important to us?
• Renewable resources can be recreated,
although some, like trees, may take more
time to renew than we can wait.
• Nonrenewable resources can be used up.
Department of Mathematics and Science
What are Nonrenewable Resources?
They are resources that formed over millions of years.
They can not be made again in our children or our grandchildren’s
lifetimes.
There is a limited supply of these resources and people are using them
faster than they can be replaced.
What are some examples?
Fossil Fuels:
•natural gas
•crude oil
•coal
Minerals:
•aluminum
•silver
•iron
•Copper
Rocks:
limestone
Department of Mathematics and Science
Florida’s Nonrenewable Resources
Nonrenewable
1. What are they used for?
2. Are any of them sources of energy?
Phosphate is a nonrenewable Florida Resource
Things that are made from Phosphate:
• fertilizer
• vitamins
• soft drinks
• toothpaste
Limestone is a nonrenewable Florida Resource
Things that are made from Limestone:
• building and landscape materials
• materials used in road construction
• cement manufacturing
*Bonus questions:
What type of rock is limestone?
Limestone is a sedimentary rock.
How do sedimentary rocks form?
Silicon is a nonrenewable Florida Resource
Silicon is an element found in 90% of the minerals
making up Earth’s crust. It often takes the form of
sand. It is used in the production of the following:
•
•
•
•
caulk
glass
wrist bands
many electronic devices
Value of Renewable Resources
Although fossil fuels are still available today, they
take millions of years to form. We use them much
faster than nature can make them. Therefore, we
need to make more use of renewable energy
resources.
Solar
Energy
Wind
Energy
Water
Energy
Virtual Lab: WOW, Windmills!
Variables (Things that can change.):
____________
_____________ _____________
Variable I will change (Test/Independent/Manipulated):
___________________
Testable question (Problem Statement):
______________________________________________
This is a fair test because________________________
_____________________________________________
Hypothesis:
______________________________________________
Procedures:
Virtual Lab: WOW, Windmills!
Data
:
Test Number
Number
of Blades
Shape
of Blades
Pitch (angle)
of Blades
Department of Mathematics and Science
Average Number
of Spins in 1 Min.
What are some differences between renewable
and nonrenewable resources?
• Nonrenewable resources are resources that
cannot be replaced in a short amount of time.
• Unlike renewable resources, it is possible for
humans to use up all of the nonrenewable
resources in the world.
• A renewable resource is a resource that humans
are not likely to run out of.
• Wind is a renewable resource because the wind
will always continue to blow on Earth.
• Trees are a renewable resource because they can
be planted and grown in a short amount of time.
Department of Mathematics and Science
Saving Resources
The world doesn’t have an endless supply of
natural resources. We have to make our natural
resources last longer. The wise use and protection
of natural resources is called conservation.
Reduce
Recycle
Reuse
What can we do?
• We can use resources wisely.
• We can reduce, reuse, and recycle.
Department of Mathematics and Science
Assessment
1. Earth will eventually run out of certain
kinds of energy resources. These are called
nonrenewable energy resources. Which
answer lists ONLY nonrenewable energy
resources?
A.
B.
C.
D.
solar, geothermal, and hydroelectric
natural gas, wind, and water
gasoline, solar, and nuclear
coal, oil, and natural gas
Department of Mathematics and Science
Florida Achieves
Assessment
2. In Florida, limestone mining produces over
153 million tons of products a year, including
concrete, asphalt, and cement.
Which of the following best describes how
limestone mining should be handled in Florida?
A. It should be restricted, because some people have a
toxic reaction to limestone products.
B. It should be restricted, because there is only a limited
amount of limestone available.
C. It does not need to be restricted, because new deposits
of limestone can be discovered and used.
D. It does not need to be restricted, because limestone can
be easily replaced as sediment is compacted.
Assessment
3. It is important to develop renewable energy
sources like solar, wind, and hydroelectric
power.
What is the advantage of using these resources,
instead of using fossil fuels?
A.
B.
C.
D.
They make more energy than fossil fuels.
They are cheaper to maintain than fossil fuels.
They cannot be depleted or used up, like fossil fuels.
They do not depend on weather conditions, like fossil
fuels.
Florida Achieves
Department of Mathematics and Science
Show What You Know
3- List 3 nonrenewable resources
2- List 2 renewable resources
1- Write 1 idea for conserving
resources
Big Idea 6: Vocabulary Review Game
http://quizlet.com/21273436/gr-5-big-idea-6-earth-structures-review-flash-cards/
Department of Mathematics and Science