Question

good group projects related to science and also intresting...​

Answer 1

Answer:

rain water harvesting is the good idea and the refrigerator without electricity

Explanation:

hope help you

Answer 2

Explanation:

some interesting models in science is

on electricity. by using pencil. in this model you can pass the electricity to bulb through pencil because it's lid is an insulator and it's upper part means wood is conductor.

for video you can go to electricity model in science through pencil. so it is very interesting model