Week of May 24, 2009

Cool Spots
Back Issues
Visit the Featured Web sites to find the answers.

What supplies do you need to make the “lava lamp”?
Water, food coloring and jumping beans
Fizzy lemonade and peanuts
Molten lava and a lamp

In what year was “General George Washington at Trenton” painted?

Which famous filmmaker owns the Oaks Bluffs property?
Steven Spielberg
Spike Lee
Clint Eastwood

Test It Out

Marvin and MiloMarvin and Milo, www.physics.org/marvinand
, put physics to the test, and you CAN do this one at home! Every month you will see physics featured in a new way. Marvin and Milo also have a drop-down menu so you can search through dozens of past experiments. Choose one and get going. Maybe you want to try out “Key Drop,” where a few simple items – keys, paperclips and string – will help you discover how to catch the keys with no hands! From party tricks to serious science, this site has got it all covered.
Nominate a cool Web site at:

Moments to Remember

George WashingtonRevisit history when you stroll though the Seattle Art Museum's John Trumbull Paints the American Revolution, www.seattleart
. Enter The Declaration of Independence to see Trumbull's painting in detail. Mouse around and click on the different numbers to find out interesting info or neat facts about the order in which subjects were painted. Before you move on, learn why Washington left his post in The Resignation of General Washington. Celebrate our American history today!

Right Around the Corner...

kid blowing big bubbleStart packing up your book bags and cleaning out your lockers after you experience PBS Kids' Yipee! It's Time for…Summer Vacation, http://pbskids.org/
. Believe it or not, summer is here, and Tim Hollis, vacation expert extraordinaire, is full of fab ideas, such as where to go for a good time while celebrating the South. Show Road Trip to your parents and see if you can convince them to gas up the car for a rockin' time on the road. No matter where you go or what you do this summer, enjoy every day because school always starts again too soon.
Speak Out

Do you have any summer vacation plans?
If so, what?

Speak Out Here!

Dear Amy: Do all computers work the same way? — Angelique, Pine Bluff, Ark.

Dear Angelique: The basic idea behind how computers work is the same, but there are a lot of things that make each computer unique in how it works. All computers need a way to store and access information, and they need a way to perform operations on data such as adding two numbers. Both hardware and software have changed a lot since the first electronic computers. Early computers used vacuum tubes to store information, whereas today’s computers use microchips. Early computers also used technology such as reels of magnetic tape or punch cards to transfer information. To find out more about computers throughout history, check out An Illustrated History of Computers at www.computersciencelab.com/

I bet there will be really cool computer technologies in the future! Scientists are already developing computers powered by DNA. These organic super computers are found in all living organisms and are more powerful than any computer ever built. Visit www.howstuffworks.com/dna-computer.htm/
to explore more. Way cool!


Ask Amy a Question

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