1.InferWhy did you rub the balloon on your sweater? Predict what might have happened if you simply touched the balloon to your sweater instead of rubbing it.
Answer The charge in object is transfer electron from balloon will move to sweater and proton will go away,so it can cause electric shock.However,If only touch it nothing happen because no charge transfer.
2.Key ConceptWhy do you think the balloon interacted the way it did with your sweater and with the stream of water?
Answer Charge of two thing is not equal.Then,electron move from one object to another object.
- Coal pollution make smoke around that area cause people in village near the coal factory sickness
- Sulfur in air mix with rain water make acid rain that destroys structure and makes human animal and plants sick
- It hides roadway cause car accident because they can not see the street in front of them
The different of those clouds is it high and shape if you look up you will see it.
Highlights of M1-This year like my normal year at my old school only few thing that change sometimes I think this is boring time.I like the sport day I have all day to watch sport I can eat food at any place.Next year is M2 i think i will make my grade better and make good friend with older student