15 / 02 Wednesday Kaupapa: Read a thermometer and measuring cylinder scale correctly Measure the boiling point of water.

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15 / 02 Wednesday Kaupapa: Read a thermometer and measuring cylinder scale correctly Measure the boiling point of water

Do you remember? What are the six steps of lighting a Bunsen?

Used for heating (provides the source of heat needed)

Placed on a tripod to support beakers, flasks, etc.

Used for collecting, mixing and heating chemicals

Used for directing a liquid into a container while filtering it

Used to handle hot equipment

Thermometer

What is the temperature of… My hand? My cheek? This room? Cold tap water?

Reading Scales http://www.ictgames.com/weight.html

Practical – Water! Aim: measure the melting point and boiling point of water Method: < labeled diagram here >

Result: Time (min) Temperature of water (oC) Observation 1 2 3 4 5 6

Conclusion: The melting point (freezing point) of water is: ______ The boiling point of water is: ______

What have we learnt today? What is the boiling point of water?