Busy. Please wait.

show password
Forgot Password?

Don't have an account?  Sign up 

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.
We do not share your email address with others. It is only used to allow you to reset your password. For details read 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.
Didn't know it?
click below
Knew it?
click below
Don't know
Remaining cards (0)
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


The Rock Cycle

What is the changing of rocks over time? rock cycle
What is the bottom layer of soil? bedrock
What is a layer of soil? horizon
What is the type of rock that forms when melted rock cools and hardens? igneous
What is the breaking down of Earth's surface into pieces? weathering
What are the remains of decayed plants and animals? humus
What is the process of moving sediment to other places? erosion
The soil in your garden feels right. What physical property of the soil are you observing? texture
Which substance makes up most of Earth's crust? rock
What property do all soil horizons share? partly weathered rock
Which of these processes does NOT contribute to weathering and erosion that shapes landforms? Pressure Plants Waves Wind pressure
When two plates of the Earth push against each other, what landforms can be formed? mountains
Sinkholes occur occasionally in Florida. What causes sinkholes? water dissolves underground rock
Which layer of soil contains humus? top
What could cause a soil sample to be dark in color? the soil was likely from a forest and the humus has turned it dark
What could cause a soil sample to be light in color? the soil was likely desert soil with little humus in it
How are rocks and minerals alike? solid substances found in nature
How are rocks and minerals different? there are more than 4,000 minerals and only 3 types of rocks
Which one is NOT one of the groups of rocks? Metamorphic Igneous Limestone Sedimentary Limestone
How are metaphoric rocks formed? when molten rock cools
How are metaphoric rocks formed? formed by any other rock with heat and pressure
How are sedimentary rocks formed? made from sediments that have piled up over time
How is a streak test done? rubbing a hard mineral or rock across a hard tile surface
A rock in a mine appears round and worm smooth. It could be a piece of a bigger rock or what else? it could have washed into the mine from a stream of water
Created by: Leon25123



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:
restart all cards