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https://play.kahoot.it/#/?quizId=8e066324-eb68-4b4d-801e-78deb5773fba

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Before we Began the experiment; I gave Class 5 the task of identifying the Variables within this experiment.
Independent Variable:
- Angle of the Ramp
- Ramp
- Weight

Dependent Variable:
- Material under Weight

Controlled/measured Variable:
- Time it takes for the weight to fall down the ramp

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- Ramp (wood) with protractor on
- Different materials
- 1kg Weight
- Timer

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Once we had compared our results, we then looked back at our Prediction. Class 5 had predicted correctly with Aluminium foil being the fastest material, however they predicted Cord material would be the slowest, when in fact it was Cork.

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To get the most accurate results we could have; Class 5 repeated the experiment 3 times and took 3 results; this way we could identify any odd findings/patterns.
We then took an overall mean of these three results. We did this by adding them together and dividing them by 3.

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- Could have had more of a range of materials
- Use a range or different process skills
- A bigger ramp could have made our results more accurate

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- We predicted the fastest material correctly
- The experiment was enjoyable and encouraged the class to use and develop their process skills

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Worksheet D

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Worksheet C

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Worksheet B

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Worksheet A

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They were given a worksheet with the results table on to plot their results whilst conducting the experiment.

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YouTube Clip - Friction

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The QR codes on the right; link to three different videos on forces, by watching these to begin with, it was a quick recap on Forces (Friction) for Class 5

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Class 5 conducted an experiment to find out: Whether the Material effect the Speed of the weight travelling down the ramp?

Within this experiment they used various different process skills in order to effectively find the answer to what they were looking for.

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Examples of Friction in every-day life

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Rapunzel explaining Friction

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Once the experiment was over and the lesson was coming to an end; we looked back to our experiment and the Class came up with an evaluation; WWW (what went well) and EBI (even better if).

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Once every group had finished the experiment, we then came together as a class and shared our results. Every group got slightly different timings but they all got the same 'Fastest' and 'Slowest' materials.

The Fastest material was:
Aluminium Foil

The Slowest Material was:
Cork

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Class 5 predicted that:
Aluminium foil would carry the weight down the fastest.
Cord Fabric would carry the weigh down the slowest.
They each then wrote down their ideas of why this would happen, introducing hypothesising; however, some children were unable to explain why they thought this.

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Before we began this experiment, class 5 made a prediction to what they think is going to happen with the experiment.
This consisted of what material they thought would carry the weight down the ramp the fastest and which one they thought would be the slowest.

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The experiment was over to the students in their groups.

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Class 5 ensured their ramp was set to 15 degrees, as this was a suitable angle for the weight to fall at, but not too fast.

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The equipment was given out to small groups. Each group received a ramp (with protractor), a 1kg weight, thick books (to position the ramp) and petri dishes with material on the bottom.