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Mending a torn umbrella: Part 2

Science Year 1
This unit is part of Year 1 Science Marvellous Materials

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Objectives

Test a selection of materials using a pipette to simulate raindrops and consider why some materials let water through and others do not.

Science Objectives
i) Distinguish between an object and the material from which it is made.
ii) Identify and name a variety of everyday materials, including wood, plastic, glass and metal.
iii) Describe the simple physical properties of a variety of everyday materials.
iv) Compare and group together a variety of everyday materials on the basis of their simple physical properties.

Working Scientifically

  1. Ask simple questions and recognise that they can be answered in different ways.
  2. Observe closely, using simple equipment.
  3. Perform simple tests.
  4. Identify and classify.
  5. Use their observations and ideas to suggest answers to questions.
  6. Gather and record data to help answer questions.

You Will Need

Provided Resources

  • Investigating Umbrella Material resource

Additional Resources

  • A torn umbrella
  • Samples of suitable fabrics and unsuitable materials (see last session)
  • Cameras or recording devices
  • Pipettes & jugs of water
  • Bowls or large rimmed jugs
  • Tape

Lesson Planning

Teaching

  • Investigate the materials for their useful properties, considering questions such as: how can we know that this material will not let the rain through? How can we test it?
  • Use pipettes to simulate raindrops and experiment with the different materials.
  • Observe and record the results.
  • Make hypotheses about why certain materials do not let water through.
  • Consider the question: if you did not have an umbrella, and it was raining hard, what other everyday objects could you use to keep the rain off your head? Why would they work?

Activities

  1. Understand, through exploration and investigation, that some materials are more suitable than others for mending an umbrella because of their physical properties.
  2. Be able to articulate their scientific reasoning for selecting and investigating certain materials.

Investigation - observing over time, problem solving
Investigate the materials for their useful properties, considering questions such as: how can we know that this material will not let the rain through? How can we test it?
Use pipettes to simulate raindrops and experiment with the different materials.

Vocabulary
Waterproof, absorbent, breaks/tears, materials, properties

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