Page 11 - FOUNDATIONS FOR LIFE; EXPLORING GOD’S UNIVERSE

Science Y6 – Forces and motion – lesson 4

Write a definition of friction. _________________________________________________________________

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Experiment 1
Pulley
Aim: To see if there is more friction with heavier objects. block

Apparatus: Wooden block, weights, pulley, string Table

Method: Set up the experiment as in the diagram.
Hanger & weights
Result:
Weights on the block Weights needed to move the
block

Conclusion: _____________________________________________________________________________________

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Experiment 2

Aim: To explore ways of reducing friction.

Apparatus: Tray, oil, soap, 100 gram weights

Method: Divide a tray into four sections, one track wet, one oily, one soapy and one dry. Hold four
weights at the top of the tilted tray, one on each track, with a ruler. Release the weights at the
same time. Which weight reaches the bottom first?

dry
wet
oily
soapy

Result: _____________________________________________________________________________________

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