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Which ball is the bounciest?

Science Year 2
This unit is part of Year 2 Science Squash, Bend, Twist, Stretch

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Objectives

Explore all sorts of bouncy balls and investigate which one is the bounciest. Does this mean the ball that bounces the highest or the one that bounces for the longest time? Plot the results on a chart.

Science Objectives
i) Identify and compare the suitability of a variety of everyday materials, including wood, metal, plastic, glass, brick, rock, paper and cardboard for particular uses.

ii) Find out how the shapes of solid objects made from some materials can be changed by squashing, bending, twisting and stretching.

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

Additional Resources

  • A variety of balls, preferably of fairly similar size, e.g. tennis, sponge, rubber, ping pong (try to avoid large balls like footballs and basketballs)
  • Tape measure
  • Large sheets of paper and pens
  • Squared paper and rulers

Weblinks
Video of a ball bouncing in slow motion from www.YouTube.com

Lesson Planning

Teaching

  • Explore the properties of a variety of balls.
  • Generate questions and discuss the similarities and differences between the balls.
  • Discuss and design an investigation to test which ball is the bounciest.
  • Make predictions, test, and record results.
  • Learn about what makes a material have bouncy properties.

Activities

  1. Explore the properties of a variety of balls and predict which is the bounciest.
  2. Consider that the materials from which the balls are made may have an effect on their bounciness.
  3. Consider: what does 'bounciest' mean? Is it the ball that bounces the highest or for the longest time?
  4. Discuss and design an investigation to test which ball is the bounciest.

Investigation - exploring, pattern seeking
Explore the properties of a variety of balls in the playground.
Discuss and design an investigation to test which ball is the bounciest.

Vocabulary
Shape, changed, twist/twisting, squash/squashing, bend/bending, stretch/stretching, material, properties

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