Foam Quiz

Foam experiment

Quiz-time 
sheep

Four different samples of bubble mix were shaken with water to see which produced the best foam. The results are shown in the picture.

See if you can answer these questions. Read each one carefully and choose the best answer.

Question 1

BottlesWhich sample would you change to make sure the investigation is a fair test?






Question 2

Popping bubbleWhich one produced the least foam?




Question 3

bubblesWhich fair test sample produced the longest lasting foam?




Question 4

Sheep in bathWhich one produced the best foam?



C

Question 5

Question markWhich of these is NOT needed for a fair test?


the same person must shake the bottle each time
use the same amount of liquid soap each time
shake the bottles for the same length of time