Here are a few beautiful websites with timelines of Earth's history:
BBC
National Geographic
A spiral one at: Discovery
Tuesday, October 16, 2012
Tuesday, October 2, 2012
Multiplication
What math facts do you think are the easiest? The hardest? Check out these games: multiplication games
Fact and Opinion
How do you know if something is a fact or an opinion? Check out this interactive to help you find facts in your research:
fact frenzy
fact frenzy
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