New
New
Year 3

Muscle strength: do and review (non-statutory)

I can carry out and review an investigation into muscle strength.

New
New
Year 3

Muscle strength: do and review (non-statutory)

I can carry out and review an investigation into muscle strength.

Lesson details

Key learning points

  1. Scientists carry out the investigations they have planned to find answers to their questions.
  2. Scientists look for patterns in the data they have collected and make conclusions.
  3. Scientists review their investigations. Sometimes the data they collect are unexpected.

Common misconception

Pupils may believe that the results from a few children they measured can be applied to all humans.

Share each group's results and see how they are different. Explain that a much larger sample may provide different results.

Keywords

  • Muscle strength - Muscle strength is shown by how well a muscle can withstand a force or pressure.

  • Record - To record information is to keep it, so that it can be passed on to others.

  • Review - A review is the act of considering something again in order to make changes to it, give an opinion of it, or study it further.

  • Patterns in data - Scientists look for patterns in data to answer their questions.

  • Conclusion - In a conclusion, scientists explain what their results show or mean.

Be aware of body image and celebrate body diversity. People have different strengths and weaknesses which may not be physical. Choose groupings with sensitivity to avoid personal remarks about muscle strength/weakness.
Teacher tip

Equipment

See additional materials.

Content guidance

  • Depiction or discussion of sensitive content
  • Risk assessment required - equipment
  • Risk assessment required - physical activity

Supervision

Adult supervision required

Licence

This content is © Oak National Academy Limited (2024), licensed on Open Government Licence version 3.0 except where otherwise stated. See Oak's terms & conditions (Collection 2).

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6 Questions

Q1.
Muscle strength shows how your muscles are.
An image in a quiz
Correct Answer: strong, weak
Q2.
Scientists carry out investigations to find answers to their ...
An image in a quiz
Correct Answer: questions, question, questions., hypotheses, hypothesis
Q3.
Which of these are types of science enquiry?
Correct answer: fair test
Correct answer: pattern seeking
creating a question
Correct answer: observation over time
Correct answer: secondary research
Q4.
After choosing the right type of investigation, scientists make a before they begin.
An image in a quiz
Correct Answer: plan
Q5.
Which of the pieces of equipment could help you to investigate muscle strength?
thermometer
Correct answer: tape measure
Correct answer: hand grip
Correct answer: stop watch
Q6.
Put in the correct order, the sequence you would carry out these actions when doing a science investigation.
1 - Create a question.
2 - Decide which type of science enquiry to use.
3 - Plan your investigation and collect your equipment.
4 - Carry out the investigation and record data.
5 - Make a conclusion.

6 Questions

Q1.
Which one of these does a scientist need to do before they start their investigation?
An image in a quiz
a conclusion
Correct answer: a plan
a measurement
a review
Q2.
Which of these questions could you ask to investigate muscle strength?
An image in a quiz
How many muscles are there in the human body?
Do muscles work in pairs?
Which is the largest muscle in your body?
Correct answer: Do people with stronger muscles jump higher?
Do you use the muscles in your arm to help you drink?
Q3.
Scientists look for in the data they have collected. This helps them to decide how one thing affects another.
An image in a quiz
Correct Answer: patterns, pattern, a pattern, trends
Q4.
Jacob has collected some data for his investigation. Help him put this data in order from the person with the most to least muscle strength.
An image in a quiz
1 - Izzy held the 3 kg mass for 3 minutes and 25 seconds.
2 - Aisha held the 3 kg mass for 3 minutes and 10 seconds.
3 - Jun held the 3 kg mass for 2 minutes 44 seconds.
4 - Sofia held the 3 kg mass for 1 minute 59 seconds.
5 - Andeep held the 3 kg mass for 1 minute 31 seconds.
Q5.
Which part of the investigation explains what the results of an investigation show or mean?
the table
the plan
the prediction
Correct answer: the conclusion
the data
Q6.
Sometimes when a scientist carries out an investigation the are not what they expected.
An image in a quiz
Correct Answer: results, result, data, conclusion

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