6th grade working scientifically

Example

A group measured a pulse rate after exercise three times: 103, 101 and 100 bpm. What is the mean? Give your answer to 1 decimal place.

1. 103 + 101 + 100 = 304
2. 304 ÷ 3 = 101.33
3. So the answer is: 101.3 bpm

Answer: 101.3 bpm

Example

A result does not match the prediction. What should a scientist do?

1. Unexpected results are kept and investigated; sometimes the prediction was wrong.
2. So the answer is: Record it and check whether the method was correct

Answer: Record it and check whether the method was correct

Example

Convert 4 kg into g.

1. 1 kg = 1000 g
2. 4 × 1000 = 4000
3. So the answer is: 4000 g

Answer: 4000 g