Lesson I1: What temperature?
Starter activities
Problem solving
· three bowls of water – one hot at 45°C, one cold at 10°C and one mystery one at 30°C
Main activities
I1a Making a thermometer
For each pair:
· boiling tube
· boiling tube rack
· bung with 10 cm glass tube
· access to water bath at 50 °C
· beaker of iced water
· two sticky labels
· coloured water (food dye will do)
· marker pen (waterproof)
Lesson I2: Temperature and energy
Starter activities
Capture interest (1)
· two boiling tubes
· crisps
· two retort stands with two clamps on each (one for thermometer, one for boiling tube)
· two thermometers, tongs
· heatproof mats
· one Bunsen burner to set fire to food
Capture interest (2)
· two boiling tubes
· two clamps, two thermometers
· two Bunsen burners
Main activities
I2a Energy and temperature
For each group:
· joulemeter
· power supply
· heating element
· three leads
· thermometer
· two clamp stands with clamps and bosses
· 250 cm3 beaker
· 150 cm3 beaker
· 100 cm3 measuring cylinder
Lesson I3: Bigger and smaller
Starter activities
Capture interest
· Bunsen burner
· asbestos mat
· bimetallic strip
· tongs
Main activities
I3a Expansion in solids
For teacher demonstrations:
· metal ball and ring
· Bunsen burner
· tongs or heatproof glove
· heatproof mat
· metal rod at least 30 cm long
· stand and clamp
· metal pin with paper flag attached
I3b Expansion in gases
For teacher demonstration:
· round-bottomed flask
· bung with 50 cm capillary tube
· 30 cm ruler
· sticky tape
· stand and clamp
· large beaker
· coloured water (food dye will do)
· kettle
· ice
· thermometer
Lesson I4: All change
Starter activities
Capture interest (1)
· beaker full of water and ice cubes, thermometer clamped in it
· stirring rod, or datalogger with temperature probe and graph displayed
Main activities
I4a Changes of state
For each group (or teacher demonstration):
· Bunsen burner
· boiling tube of stearic acid (or wax)
· clamp stand
· tripod and gauze
· beaker of water
· datalogger
· temperature probe
· computer and interface
Plenary activities
Problem solving
· kettle (if it has automatic cut-off you may have to hold the switch when it boils)
· temperature probe and datalogger
· retort stand and clamp
Lesson I5: Conduction
Starter activities
Problem solving
· a selection of saucepans with wooden or plastic handles or photographs of them (e.g. from catalogues)
Capture interest (1)
· Pyrex test tube
· crushed ice (to fit in test tube)
· gauze
· Bunsen burner
· test tube holder
Capture interest (2)
· two beakers
· kettle
· plastic and metal teaspoons
· small beaker of sugar
Main activities
I5a How quickly does heat travel?
For each group/demonstration
· metal bar, e.g. vertical from retort stand
· retort stand, boss and clamp
· four drawing pins
· vaseline or candle wax
· Bunsen burner
· stopclocks for whole class
Lesson I6: Convection
Starter activities
Capture interest (1)
· box with glass front and two glass chimneys
· candle
· string (twine), or wax straws that will burn with a smoky flame
· matches
Main activities
I6a Convection in a liquid
For each pair:
· 250 cm3 beaker
· tripod
· gauze
· Bunsen burner
· heatproof mat
· wide plastic straw
· tweezers
For the class:
· four small labelled pots of potassium manganate(VII) crystals
Plenary activities
Looking ahead
· surgical spirit or ethanol
· electric fan
Lesson I7: Evaporation, radiation
Starter activities
Capture interest (1)
· two containers of warm water (one in a conical flask, one in a wide, flat dish)
· two temperature probes and datalogging equipment
Main activities
I7a Cooling by evaporation
For each group / teacher demonstration:
· three temperature probes
· three clamp stands, bosses and clamps
· cotton wool to wrap around temperature probes
· three elastic bands to secure cotton wool
· interface
· computer
· software so that data from temperature probes can be displayed
For the class:
· water in labelled wash bottle
· ethanol in labelled wash bottle
I7b Radiation
For the teacher demonstration:
· one aluminium pie dish
· one aluminium pie dish painted matt black on underside
· two coins (e.g. 1p)
· candle so that coins can be fixed to dishes
· Bunsen burner
· two retort stands and clamps
Lesson I8: Explaining the results
Starter activities
Setting the context
· metal block, heater
· joulemeter
· thermometer
· heatproof mat
· power supply for heater
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