Page 362 - Q&A-Cover_Neat

Further Information all four correct = 2 marks two or three correct = 1 mark one correct = 0 marks if true and false ticked for a statement then incorrect for that statement Further Information Accept material vibrates Accept pinch or stretch for pull Accept let it go from a higher point Accept tighten the balloon / add water to the cup / use a smaller balloon /

2 1 1 1
Marks Marks

true false     Page 10 of 14

forces make objects change speed pull it harder / pull it further (up) / use more force / use a bigger cup stretch the rubber / decrease the size of the cup / use a thinner balloon
Answer Answer

friction is a force pitch is a force weight is a force vibrates / vibration

Question 11 Question 12(a) (b) (c)