Year 3 - Science
Bone length: plan and do
Introduction to the human skeleton and muscles
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This pupil-friendly study guide includes a unit summary, clear notes, common mistakes, and quick questions with answers.
Unit Summary
This unit explores the role of skeletons and muscles in humans and other animals for support, protection, and movement. It involves setting up practical enquiries, making observations, measuring accurately, recording findings, and using results to draw conclusions and suggest improvements.
Lesson Summary
You will learn to plan and carry out an investigation to find out if bones grow as we get older.
Key Notes
- Bone is a living thing. Our bones change throughout our lives.
- Scientists ask questions and then plan how to carry out the right type of investigation to find answers.
- Scientists choose the correct equipment to be able to measure accurately.
- Scientists gather and record data using tables and charts.
Vocabulary To Learn
- plan: A plan has all the steps that will be taken during an investigation.
- measure: To measure is to use equipment to find numbers to describe something such as its length, weight, size or time.
- equipment: Equipment includes all the things needed to carry out an investigation.
- record: To record information is to keep it so that it can be passed on to others.
- data: Data is information collected during an investigation. It may be numbers, symbols, pictures, text, graphs and more.
Common Mistakes To Avoid
- Children may think that bone is not a living thing and therefore does not grow.
3 Quick Questions (With Answers)
1. Explain the scientific idea in this lesson using two key points.
Bone is a living thing. Our bones change throughout our lives. Scientists ask questions and then plan how to carry out the right type of investigation to find answers.
2. Define this scientific word and use it in context. 'plan'
A plan has all the steps that will be taken during an investigation. Include the word in a full scientific explanation, not as a single label.
3. Correct this common scientific misunderstanding.
Mistake: Children may think that bone is not a living thing and therefore does not grow. Correction: This lesson is all about children finding out for themselves. They will find answers to the enquiry question: Do bones grow as we get older?
More Lessons In This Unit
- Animal skeletons Study Guide
- Animals without bones Study Guide
- Bone length: review Study Guide
- Improving muscle strength (non-statutory) Study Guide
- Muscle strength: do and review (non-statutory) Study Guide
- Muscle strength: plan (non-statutory) Study Guide
- Muscles for movement Study Guide
- The human skeleton: protection Study Guide
- The human skeleton: support Study Guide
Browse all guides in the Year 3 Science guide library.