To build an irrigation system you will need clay,sand or soil (optional), plastic leaves,glass and other natural materials.
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you can make a bulb working.......................
IF WE THOUGHT A GOOD WORKING MODEL FOR GRADE 7 AND 8 IN THE PUNJAB SCHOOL..........if we make a good or excellent model we not get a prize so why because this school is very bad for student........... i am in 7 class........teacher said me to make a working science model for science exibition on 1 january to 30 january............
A miniature model of a hurricane. Although it is very tough to build, me and my friends built a model and we got an A++.
Which of the following are the reason for using a model?a) A model is quicker and easier to build than the real thingb) We can use the model as prototype of the systemc) We can use a model instead of building the real thingd) We can use a model in simulations to test our ideas