Pinterest is an online pinboard.
Organize and share things you love.
use an egg to teach about structure of earth -- crust, mantle, core.
3 repins
experiment to demonstrate how sedimentary vs. metamorphic rock is created (supplies needed: crayon shavings, alum. foil, match)
3 repins
A volcano in a mug. Neat idea to show kids how they work. Much more accurate than the old baking soda/vinegar idea.
5 repins
Fetching pins…
