Scientific Method & Fair Tests

Question 1

Henare wanted to know which ball bounces best. What should he change in his experiment?

Accepted Answer

the type of ball

Question 2

What should be changed in a fair test?

Accepted Answer

Only 1 thing

Question 3

What is an "aim" in a scientific experiment?

Accepted Answer

what you are intending to do

Question 4

Lucy wanted to see how long it took for different candles to burn. What should she measure?

Accepted Answer

the time it takes for the candle to go out

Question 5

What is a hypothesis?

Accepted Answer

A prediction

Question 6

How many times must you carry out an experiment?

Accepted Answer

at least 3 times

Question 7

How should you write your method?

Accepted Answer

with numbered steps, explaining how you did your experiment, with detailed instructions, so that other people can follow it

Question 8

Why do scientists repeat their experiments?

Accepted Answer

to see if the results are similar each time, to ensure the results are reliable (trustworthy)

Question 9

Henare wanted to know which ball bounces best. What should he keep the same in his experiment?

Accepted Answer

the height of the ball, where he bounces the ball, how hard he throws the ball

Questions 9