Question

tommorow there is science project day in my school . Please tell me what I can made with step by step

Answer 1

I think so that , you should make an automatic fish feeding mechanism. I will tell u how to do this , first connect the aquarium to a mobile phone , and the fish feed to the motar . when u call the number the mortar rotates and fish feed directly falls into the aquarium. I think so all will like it