Question

how to make a simple science working model for school exibition with simple iteams​

Answer 1

try making a volcano.

materials required:

baking soda

vinegar

red paint

newspaper.

hope it helps

Answer 2

Answer:

can make make Roof Top Rainwater Harvesting System.

I made this and scored 3rd Price...

Materials required are Thermocol sheets, small tank, tube , straw, fevicol, ect

If want then u could make DNA also for that me and my frnd hit frst price

hope it helps u

have a great day