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SAFE USE OF APPARATUS - Coggle Diagram
SAFE USE OF APPARATUS
Setting up
apparatus
Follow all instructions carefully
→ minimise the chances of making mistakes
and getting inaccurate results
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During
experiment
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Label test tubes, containers to know what is inside
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Safety
precautions
Circuits: turn off the power supply when setting up or making changes, avoid touching components, ensure all wires are properly insulated
Hanging masses: don't stand directly below where
the mases are hanging, use padded bucket, wear footwear
Springs: wear safety glasses, don't overload the spring
Hot water: take care when pouring hot water, ensure
water doesn't end up near electrical equipment
Variables
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Control variable: may affect the dependent variables
and so must kept constant throughout the experiment