3.5a Science and technology change the environment in beneficial and detrimental ways. Developments in science and technology can improve our quality of life, yet may have negative impact on the environment. It hurt me very much. Well to tell you the truth, I wasn't very careful when I was using electricity. So, you can see that electricity helps all of us everyday, but we must be careful when we use it.
Electricity is very useful, but it is also be very powerful.
It can light up the darkness and it can heat up a cold room. You must be very careful when you use electricity. It is powerful enough to burn you or your house. It can also shock you. That means it could kill you if you don't use it carefully.