We had really cool fun in Maths because we got to make our own sand timers. The bottom was cut off a small plastic bottle and Pete drilled a small hole in the lid. Next we put some dry, fine sand into our containers and we timed the sand running out for one minute. A mark was put on the container catching the sand so we knew how much to put back into our timers. A minute actually takes a long time when you are watching the clock!
Thursday, April 8, 2010
Sand Timers
We had really cool fun in Maths because we got to make our own sand timers. The bottom was cut off a small plastic bottle and Pete drilled a small hole in the lid. Next we put some dry, fine sand into our containers and we timed the sand running out for one minute. A mark was put on the container catching the sand so we knew how much to put back into our timers. A minute actually takes a long time when you are watching the clock!
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