Save
Busy. Please wait.
Log in with Clever
or
show password
Forgot Password?
Don't have an account?  Sign up 
Sign up using Clever
or
Username is available taken
show password


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account. Your email address is only used to allow you to reset your password. See our Privacy Policy and Terms of Service.

Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.
focusNode
Didn't know it?
click below
 
Knew it?
click below
Don't Know
Remaining cards (0)
Know
0:00
edit
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how

Humans & Enviroment

Earth Science

QuestionAnswer
What is a natural resource? A natural resource is a material that is found in nature that is essential or useful to people.
How many pounds of gravel, stone, and sand do miners remove from the Earth? Miners remove 17,600 pounds of gravel, stone, and sand.
What are gravel, stone, and sand used for? These materials are used to pave roads, make cement and build houses.
How much oil does the United States use per year and per person? The United States uses 1100 gallons of oil per person per year.
How much aluminum does each person in the United States use each year? Each person uses 55 pounds each year.
How many mines are there in the United States? There are about 500,000 mines in the United States.
What do forests provide? Forests provide lumber and paper products.
What two places do lumber come from? Natural forest ecosystems and forests plantations.
How much water do people in cities use? People use 40-100 gallons.
What can water also be? Water can also ne an energy resource.
What is the effect of water rushing through hydroelectric dams? Water rushing through hydroelectric dams generates electricity.
What country uses the most water than any country per person? The United States uses the most water than any other country.
How many pounds of iron and steel do people use? People use 1100 pounds of iron and steel.
Created by: mjys02
Popular Earth Science sets

 

 



Voices

Use these flashcards to help memorize information. Look at the large card and try to recall what is on the other side. Then click the card to flip it. If you knew the answer, click the green Know box. Otherwise, click the red Don't know box.

When you've placed seven or more cards in the Don't know box, click "retry" to try those cards again.

If you've accidentally put the card in the wrong box, just click on the card to take it out of the box.

You can also use your keyboard to move the cards as follows:

If you are logged in to your account, this website will remember which cards you know and don't know so that they are in the same box the next time you log in.

When you need a break, try one of the other activities listed below the flashcards like Matching, Snowman, or Hungry Bug. Although it may feel like you're playing a game, your brain is still making more connections with the information to help you out.

To see how well you know the information, try the Quiz or Test activity.

Pass complete!
"Know" box contains:
Time elapsed:
Retries:
restart all cards