Welcome to StudyStack, where users create FlashCards and share them with others. Click on the large flashcard to flip it over. Then click the green, red, or yellow box to move the current card to that box. Below the flashcards are blue buttons for other activities that you can try to study the same information.
Reset Password Free Sign Up

Free flashcards for serious fun studying. Create your own or use sets shared by other students and teachers.

Remove ads
Don't know (0)
Know (0)
remaining cards (0)
To flip the current card, click it or press the Spacebar key.  To move the current card to one of the three colored boxes, click on the box.  You may also press the UP ARROW key to move the card to the "Know" box, the DOWN ARROW key to move the card to the "Don't know" box, or the RIGHT ARROW key to move the card to the Remaining box.  You may also click on the card displayed in any of the three boxes to bring that card back to the center.

Pass complete!

"Know" box contains:
Time elapsed:
restart all cards

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

Reid Our Planet

2 Our Planet, Earth Key Ideas

orbit path one object makes as it circles around another
axis imaginary line running through Earth between the North and South Poles
solstice point at which days are longest in one hemisphere and shortest in another
revolution circular journey around the sun
equinox point at which, everywhere on Earth, days and nights are nearly equal in length
rotation complete turn
time zones areas sharing the same time
core sphere of very hot metal at the center of Earth
atmosphere thick layer of gases or air
landform shapes and types of land
crust thin layer of rocks and minerals that surrounds Earth's mantle
weathering process that breaks rocks down into tiny pieces
valley stretch of low land between mountains or hills
erosion process in which water, ice, or wind remove small pieces of rock
deposition process of depositing material eroded and carried by water, ice, or wind
plateau large, mostly flat area that rises above the surrounding land
plain large area of flat or gently rolling land
delta a flat plain formed on the seabed where a river deposits material over many years
plate tectonics theory that explains how huge blocks of Earth's crust called "plates" move
magma stream of soft, nearly molten rock
plate block of rock and soil that makes up Earth's crust
fault seam in Earth's crust
Created by: marydykstra

bad sites Copyright ©2001-2016  StudyStack LLC   All rights reserved.