Advertisement Upgrade to remove ads

Quiz on November 15, 2011

mineral

solid substance found naturally in the earth's surface

veins

concentrated areas of specific minerals

ores

materials with usable amounts of metal in them

smelting

used to separate ore form other materials

malleable

soft and shape-able

fallow

unused farmland resting for a season

ground cover

unused fields planted with a low growing crop

contour plowing

method used to keep water washing soil away

hydrosphere

all of earth's lakes, oceans, streams, rivers, soil, underground, and air water

water cycle

traveling water

saline

salty because of dissolved minerals

Phytoplankton

small plant that makes up the first line in the ocean's food chain

ground water

rainwater that has flowed into soil and is stored underneath the earth's surface

aquifers

layers of sand,gravel, and rock that hold and move ground water

draw down

when the water level falls because there is too much water taken and there is less water

humidity

water vapor in the air

ice sheet

huge expanse of ice, essentially a glacier

ice shelf

floating ice

icebergs

Independently floating ice

sea ice

frozen ocean water

reduce

using less amount of resources

reuse

using something again that would be thrown away

recycle

turning produces into other products

Please allow access to your computer’s microphone to use Voice Recording.

Having trouble? Click here for help.

We can’t access your microphone!

Click the icon above to update your browser permissions above and try again

Example:

Reload the page to try again!

Reload

Press Cmd-0 to reset your zoom

Press Ctrl-0 to reset your zoom

It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.

Please upgrade Flash or install Chrome
to use Voice Recording.

For more help, see our troubleshooting page.

Your microphone is muted

For help fixing this issue, see this FAQ.

Star this term

You can study starred terms together

NEW! Voice Recording

Create Set