Answers

2014-06-24T11:32:35+05:30
u can make any erupting volcano 
or u can make a windmill by a motor 
and u can decorate this by taking a house beside windmill and adding some colourful papers to ur model .

................hope this helps u ........................
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2014-06-24T11:41:01+05:30
U CAN MAKE A MODEL OF SOLAR ENERGY
U JUST  NEED A  THERMOCOL  SHEET AND BULB 
DRAW A SUN AND FIT A BULB BEHIND IT 
U CAN PUT SUM HOT WATER IN IT 
JUST TO SHOW THAT THE WATER IS HOT BY THE ENERGY PRODUCE SUN HOTS THE WATER
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