Rocks
Natural Resources
Salt water and Fresh water
Man Made Resources
Mix It Up!
100
Describe properties of rocks
What are smooth, rough, shiny, dull, hard
100
List a few natural resources you use in your everyday life.
What is water, paper from trees, food from insects or animals - like honey or milk from cows
100
Describe the properties of fresh water
clear, has no smell (odorless) and is tastless
100
A pencil is a man-made resource. True or False
What is True
100
True or False: Rocks are a man-made resource
False. Rocks are a natural resource
200
This describes the way a rock feels
What is texture
200
What does water, a flower and a koala all have in common?
All are natural resources
200
Give examples of properties of salt water
Tastes like salt, more dense, looks cloudy, feels gritty and smells like salt
200
Plastic is used all the time in schools. Describe how plastic is changed from a natural resource into a man-made resource we can use all the time.
Plastic comes from oil and gas products that are originally from coal. Today humans can create synthetic (fake) plastics that are similar to the original plastics first found in nature.
200
What is the name of a very large rock that is very hard?
What is a boulder
300
A rock has brown stripes and white stripes. What property would you use to describe this rock?
What is color
300
Some natural resources take a long time to replace. Instead of using them up right away what should humans do instead?
Recycle, reuse and conserve
300
Saylor is swimming in the ocean. She gets thirsty while swimming. Should she take a drink of the ocean water? Why or Why not?
No. There is too much salt in the ocean water. It will taste bad and possibly make her sick.
300
You go to the grocery store with your family and buy corn flakes cereal. Are you buying a natural resource or a man-made resource?
Man-made because the corn had to be changed and pressed into flakes. It's not only the corn product any more.
300
What happens to rocks when they get wet?
They look darker until the water evaporates and the rock is dry again.
400
Rocks can be as small as grains of sand or as large as boulders that are similar to cars. What property is this describing?
What is size
400
Some natural resources can be replaced from replanting and growing them again after one plant has been used. List a few natural resources that can be replaced and describe how they can be used
What is trees for wood or paper, plants for medicine, corn for fuel or food (cereal)
400
Bobby lives in Iowa and he does an experiment with salt water and fresh water. He has two cups of water. Bobby measures the temperature of both cups and notice that one thermometer reads 32 degrees F and the other reads 28 degrees F. Does he have the same kind of water in both cups? Describe the differences.
No they are not the same type of water in both cups. Bobby has salt water in the 28 degrees F cup and fresh water in the 32 degrees F cup. Salt water freezes at a lower temperature.
400
Sea shells are usually found on a sandy beach or on the bottom of the ocean floor. Is a sea shell a natural or man-made resource?
What is man-made
400
This type of water is rough, smells funny and tastes like salt. It also freezes at 28 degrees F. Which type of water is this?
What is salt water
500
How could you compare the weight (mass) of different rocks?
use a balance scale and compare weights
500
oil, gas, wood, water and rocks What do all of these things have in common?
All natural resources
500
Describe how you could compare salt water and fresh water in an experiment when you didn't know which cup of water was which. What tests would you do and what results would you expect to see?
I could freeze and compare temperature, do the floating egg test, taste and compare for saltiness, smell test, looking at the color test and feeling the property of water texture (smooth or gritty)
500
You just bought a new pair of socks. Did you buy a natural resource or a man-made resource. Explain your thinking
Man-made resource. The socks are made from cotton, which is a natural resource, but the cotton had to be changed by humans in a factory to become a sock.
500
What tool could you use to study the color and texture of rocks? You want to look closely at the patterns in the rocks and want to see the bumps on rocks up close.
What is a hand lens or magnifying glass
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