Paper 2 H - SAMPLE SET 1 Q20
20) Kate investigates how well different balls bounce.
She drops different balls from the same height and measures the height the balls bounce.
She repeats the experiment 3 times for each ball.
She drops different balls from the same height and measures the height the balls bounce.
She repeats the experiment 3 times for each ball.
Her results are shown in the table.
(a) Kate forgot to record one of the results for the yellow ball.
Suggest the value of the missing result. [1]
Suggest the value of the missing result. [1]
answer: ……………………… cm
(b) Josh does an experiment with bouncing balls.
He does his experiment with a drop height of 200 cm.
One ball bounces 100 cm.
Josh says that this ball is a better bouncer than any of Kate’s.
Use the data and ideas about efficiency to explain why Josh is incorrect. [2]
(c) Josh uses a new ball. He says this ball is an amazing bouncer.
He says if you drop it from 200 cm it will bounce to a height of 250 cm.
Explain why this is not possible. [2]
(Total for Question 20 = 5 marks)
He does his experiment with a drop height of 200 cm.
One ball bounces 100 cm.
Josh says that this ball is a better bouncer than any of Kate’s.
Use the data and ideas about efficiency to explain why Josh is incorrect. [2]
(c) Josh uses a new ball. He says this ball is an amazing bouncer.
He says if you drop it from 200 cm it will bounce to a height of 250 cm.
Explain why this is not possible. [2]
(Total for Question 20 = 5 marks)