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All the fun of the fair!

Science Year 3
This unit is part of Year 3 Science Amazing Magnets

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Objectives

It’s time to test your knowledge of magnetic forces in a quiz before setting up your exhibit ready for the science fair. You will need to write some questions to really get visitors thinking and then write your own explanations and answers. Test run each other’s exhibits and discuss possible improvements before all the photos and ideas get sent off to Mr Newton.

Science Objectives
i) Notice that some forces need contact between two objects, but magnetic forces can act at a distance.

ii) Observe how magnets attract or repel each other and attract some materials and not others.

iii) Compare and group together a variety of everyday materials on the basis of whether they are attracted to a magnet and identify some magnetic materials.

Working Scientifically

  1. Report on findings from enquiries, including oral and written explanations, displays or presentations of results and conclusions.
  2. Identify differences, similarities or changes related to simple scientific ideas and processes.

Extended Writing Opportunities
Explanations: Write questions and explanations about magnetic forces for the visitors to your science fair.

You Will Need

Provided Resources

  • Quiz PowerPoint and answers PowerPoint
  • Quiz sheets and answer sheet
  • Teaching PowerPoint
  • Teachers’ Notes.

Additional Resources

  • A large selection of different magnets (as used in previous sessions)
  • The resources made by groups last session for the Science Fair
  • Signs and notices made last session to attract people to their activity
  • A large selection of craft resources
  • Magnetic items
  • Resources for group activities, e.g. coins, stop watches, sand timers, water tank – but these will vary according to your children’s ideas
  • The plenary sheets (Group Activity Summary) completed last session
  • Camera

Lesson Planning

Teaching

  • Ask questions on magnetism to get people thinking.
  • Answer questions and write explanations using knowledge and understanding of magnetism.

Activities

  1. Take part in a quiz to assess knowledge and understanding of magnetism (learnt through this block).
  2. Ask questions that encourage participants at the science fair to think about magnetism and its effects.
  3. Write explanations to answer these questions.
  4. Quality test each other’s exhibits and pass on advice and praise using 2 stars and a wish.

Investigation - analysing secondary sources
Test your knowledge of magnetic forces. Design a poster to explain the science behind your game or activity. Stage it in an attractive eye catching way.

Vocabulary
Magnetic, non-magnetic, attract, repel, attraction, repulsion, poles, force

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