Forces and Magnets

Lower KS2
Duration 1h

Gravity, friction, air resistance and magnetism are explored as students use data loggers to compare how vehicles travel on different surfaces and investigate the magnetic properties of some familiar materials.

Audience

KS2

Activity

Workshops

Key Words

Forces. Magnets. Materials. Friction. Air resistance. Data loggers. Investigation.

Learning objectives

  • Understand that forces are pushes and pulls and can move things
  • Understand that gravity is a force that pulls things to the centre of the Earth
  • Gain an appreciation of how things move differently on different surfaces
  • Recognise that some forces need contact between two objects and some forces act at a distance
  • Understand that magnets have two poles and two magnets will attract or repel each other depending on which way these poles are facing
  • Recognise that some everyday materials are magnetic

Content

Students will:

  • Explore some of the forces needed for movement using our At-Bristol truck
  • Predict, compare and group a variety of everyday materials based on whether they are attracted to a magnet
  • Think about the forces of gravity and air resistance and how they affect object movement
  • Use ramps and data loggers in an investigation to find out how different surfaces affect how things move,
  • Carry out an investigation to find out how magnets can attract and repel one another

Curriculum Links

Forces and magnets, Year 3

  • Compare how things move on different surfaces
  • Notice that some forces need contact between two objects, but magnetic forces can act at a distance
  • Observe how magnets attract or repel each other and attract some materials and not others
  • 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
  • Describe magnets as having two poles
  • Predict whether two magnets will attract or repel each other, depending on which poles are facing

Potential Hazards

Students will work with magnets, scissors, and toy cars travelling down ramps

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