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5/26/10
5/17/10
The Compass & GPS Devices
Why might someone need to use a compass or GPS device? Post a comment describing a time when you or someone you know needed to use a compass or GPS device.
Your comment should be at least 2 or more complete sentences.
5/2/10
Forces and Motion
There are two roller coasters. The hills on one roller coaster are much higher than the hills on the other roller coaster. Tell which roller coaster would be faster. Tell why it would be faster.*be sure to explain your answer in 3 or more sentences.
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