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Unit F Simple chemical reactions

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									                                                    Technicians’ lists of equipment
                                                    Downloaded from www.catalystscience.co.uk

                                                    Catalyst 1, Unit F: Simple chemical
                                                    reactions
Lesson F1: Changing materials

Main activities

F1a Seeing chemical reactions
For each group:
    a few matches and a box for striking with a heatproof mat, labelled A
    a test tube rack containing the following in separate test tubes and labelled
       with the contents and the letter:
       B hydrochloric acid and calcium carbonate
       C nitric acid with universal indicator and sodium hydroxide solution
       D zinc (with a bung in the tube) and copper sulphate solution
       E lead nitrate and potassium iodide
       F dilute sulphuric acid and magnesium

Lesson F2: Acids and metals

Main activities

F2a Reaction of magnesium and hydrochloric acid
For each group:
    a test tube and rack
    a bung
    a few cm3 of dilute hydrochloric acid
    1–2 cm of magnesium ribbon
    a splint
    access to a Bunsen burner flame (or matches to light the splint)

F2b Reacting metals with acids
For each group:
    several metals, e.g. magnesium, zinc, copper, nickel, lead
    five test tubes with bungs in a rack
    splints

Lesson F3: Acids and carbonates

Starter activities

Capture interest (1)
    a bottle of carbonated drink

Main activities

F3a Reaction of calcium carbonate with hydrochloric acid
For each group:
    two test tubes in a rack

This list is in Microsoft Word, so it can be customised to fit each school’s requirements.      1
                                                    Technicians’ lists of equipment
                                                    Downloaded from www.catalystscience.co.uk

                                                    Catalyst 1, Unit F: Simple chemical
                                                    reactions
        a bung fitted with a delivery tube
        calcium carbonate powder (one spatula measure)
        a few cm3 of dilute hydrochloric acid
        a few cm3 of limewater
        a spatula

Lesson F4: Firefighting

Starter activities

Problem solving
    ‘flammable’ hazard symbol

Main activities

F4a Burning and energy
For the class (optional hydrogen demonstration):
    a balloon
    a hydrogen cylinder
    a clamp and stand
    string or thread
    three safety screens
    a taper
    a metal rod, e.g. from a retort stand
    a means of lighting the taper
    the class (optional magnesium demonstration):
    a Bunsen burner
    a heatproof mat
    tongs
    blue glass (for each pupil)
    magnesium ribbon

F4b Putting fires out
For each group:
    approximately 20 wooden splints (these could be provided ready broken in half
       for the pupils)
    three pieces of newspaper, approximately A4 size
    three heatproof mats and/or tin lids
    a stopclock
    a 250 cm3 beaker containing approximately 100 cm3 of sand
    a wash bottle of water
    a measuring cylinder (to measure 50 cm3)
    a delivery tube with jet inserted in rubber bung to fit the flask, as shown in the
       diagram
    a spatula

This list is in Microsoft Word, so it can be customised to fit each school’s requirements.      2
                                                    Technicians’ lists of equipment
                                                    Downloaded from www.catalystscience.co.uk

                                                    Catalyst 1, Unit F: Simple chemical
                                                    reactions
        sodium hydrogencarbonate
        dilute hydrochloric acid
        an ignition tube
        washing-up liquid


F4c Burning candles
For the class:
    a bell jar
    a trough of water
    a candle on a small Petri dish such that the candle will float on the water inside
        the bell jar

F4def How much air does a candle need?
For each group (Equipment should be set out so that pupils can choose what they
    need for themselves, the exact requirements depending on pupils’ plans.):
    a large trough or washing-up bowl
    five containers of various sizes, e.g. beakers, jam jars, coffee jars
    candles on small Petri dishes or floating candles (tea lights float quite well on their own)
    measuring cylinders (various sizes)
    a marker pen (suitable for marking glass).


Lesson F5: Burning changes

Main activities

F5a Making oxides
For each group:
    a Bunsen burner
    a heatproof mat
    tongs
    blue glass (for each pupil)
    magnesium ribbon (1–2 cm)
    steel wool (a walnut-sized piece)
    copper foil (1–2 cm2)

Lesson F6: Getting hotter

Starter activities

Concrete preparation (2)
    magazine and newspaper articles about
      global warming



This list is in Microsoft Word, so it can be customised to fit each school’s requirements.          3
                                                    Technicians’ lists of equipment
                                                    Downloaded from www.catalystscience.co.uk

                                                    Catalyst 1, Unit F: Simple chemical
                                                    reactions
Main activities

F6a Burning fossil fuels
For the class:
    a micro-burner or Bunsen burner
    a heatproof mat
    two retort stands with clamps
    glassware and connections as shown in the diagram
    dry cobalt chloride paper
    limewater
    water suction pump




This list is in Microsoft Word, so it can be customised to fit each school’s requirements.      4

								
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