What is the point of doing an experiment. Help thank you

Doing experiments is good because when you try these possibilities you can learn about something that you've tried or see why this experiment didn't really work. It also helps you understand that  not everything you try will work. that's why we experiment.

Explanation:

Hope this helps:)

colorless gas, exhibiting a blue glow when placed in an electric field

b) solid

its a type of rock

c. 4.54 x 10–12 j happens to be correct