The Science Toolbox

The Science Toolbox lists materials for a variety of science activities in the classroom, identifies some sources of equipment and consumables, and gives some approximate prices at the time of publication.

Consumables List

Consumables

Sources

Approximate cost

Suggestions for use

Special notes

Checklist

Adhesive Tape

Stationers

Supermarkets

Budget retail stores

12mm x 66mm, $195 per roll

Pkt of 4 rolls 15mm x 10m $2.95

Construction

Microscope slides

Collecting cells and fingerprints

Adhesive dries out on old stock.

 

Alum
[Aluminium potassium sulfate, AlK(SO4)2]

Pharmacists

 

Crystal growing

Poisonous in large quantities

 

Scientific suppliers

$12.45 per 500g

Aluminium foil
[Al]

Supermarkets

$1.99 - $3 per roll

Covering containers

Electricity

 

 

Ammonia solution
[NH3, (aqueous)]

(cloudy ammonia)

Supermarkets

$1.95 per 750mL

An alkaline (base) solution

Gas diffusion

Poison - irritating gas

DO NOT mix with bleach because chlorine gas is produced (refer to Safety and Science, page 47).

 

Scientific suppliers

$31 per 2.5L

Baking soda
[Sodium bicarbonate, NaHCO3]

Supermarkets

Scientific suppliers

$1.22 per 210g

Dissolving - temporary and permanent change

Alkaline solution
It reacts with acids to produce carbon dioxide (CO2) gas.

 

Balloons

Supermarkets

Budget retail stores

$6.99 pkt 100

$1.95 pkt 25

Action/reaction for hovercraft (rockets)

To model expanding universe theory

 

 

Bamboo skewers

Supermarkets

$2.75 pkt 100

Use as axles.

 

 

Benedict's solution

Scientific suppliers

$31.00 per 500mL

Testing for the presence of simple sugars

Use container of hot water as source of heat.

Solution contains copper sulfate (refer to Safety and Science, pages 48 and 61).

 

Secondary schools

 

Bleach
(contains sodium hypochlorite, NaHClO)

Supermarkets

$1.29 per 750mL

For whitening paper and cleaning

Poison - irritating gas

DO NOT mix with acids or ammonia because chlorine gas is produced (refer to Safety and Science, page 47).

 

Blu-tack

Supermarkets

$2.89 pkt

 

 

 

Borax
[Sodium borate, Na3BO4]

Scientific suppliers

$9.35 per 500g

Making slime

Refer to page 66 of Making Better Sense of the Material World for handling.

 

Bottles, PET
(soft drink bottles)

Plastics retailers

Educational suppliers

.

Making rockets

Funnels

Use only a fine-toothed saw for cutting PET bottles, NOT a craft knife.

 

Bulbs, Garden

Garden centres

 

Growing

 

 

Bulbs, Light

Electrical suppliers

99c - $1.50

Electrical circuits

 

 

Cabbage
(red)

Supermarkets

 

Red cabbage juice is an acid-base indicator.

Other plants such as impatiens, hibiscus, or beetroot also provide coloured extracts that can be used as acid-base indicators.

 

Calcium chloride
[Ca(Cl)2]

Scientific suppliers

$21.78 per 500g

Moisture absorbent

 

 

Candles

Supermarkets

Craft shops

Budget retail stores

$2.99 per 6
(large)

Properties of matter

Change of state

Energy conversion

Composition of air

Birthday candles are often appropriate.

Do not use candles for heating.

 

Cardboard tubes

Homes

 

Modelling

Sound activities

Light activities

 

 

Cellophane

Stationers

 

Colours

Light

 

 

Chalk

Supermarkets

Budget retail stores

39c per 12 white sticks

 

 

 

Chocolate chippies

Supermarkets

$1.79 pkt

Mining activity (how to mine the chips from the bedrock)

Fair test (comparing chips in different brands)

 

 

Cling film

Supermarkets

$3.99 per 45mL
$1.69 per 15mL

Covering

 

 

Citric acid

Supermarkets

$2.23 per 100g

An acid

Making sherbet

 

 

Clay

Educational suppliers

$25 per 10 kg

An alternative to plasticine for modelling and construction

Investigating properties

 

 

Cobalt (II) Chloride
Co(C12)

Pharmacists

 

Crystal gardens

Coal gardens

Soak paper in solution, dry, and use as a humidity (water) indicator

Refer to Safety and Science, page 62.

 

Scientific suppliers

$28.50 per 100g

Coloured sweets and inks

 

 

Chromatography

Darker colours give better results.

 

Copper sulfate
[CuSO4]

Scientific suppliers

$22.00 per 2kg

Crystal growing

Poison (1 tsp can kill a small child). Keep in locked cupboard. Refer to Safety and Science, pages 48, 61, and 62.

 

Garden centres

$8 per kg

Fertiliser works

 

Cordial powders

Supermarkets

 

Dissolving

Fair testing (speed of dissolving; effect of temperature)

 

 

Cornflour

Supermarkets

80c pkt

Mixtures

Dissolving - temporary and permanent change

Making oobleck (see pages 64 - 65 of Making Better Sense of the Material World for recipes).

 

 

Cotton buds

Supermarkets

$1.26 pkt 100

Taste testing

Ensure that each bud is used by only one child.

 

Crayons

Stationers

Budget retail stores

 

Temporary and permanent change

 

 

Detergent

Supermarkets

Scientific suppliers

$2.50

Cleaning

Making bubbles

 

 

Epsom salts
[Magnesium sulfate, MgSO4]

Garden suppliers

$4 per kg

Growing crystals

Bitter tasting
Poisonous in large quantities
Powerful laxative

 

Scientific suppliers

$17 per 500g

Fabric samples

Fabric shops

Homes

 

Sorting activities

Investigating properties

Electrostatics

 

 

Felt pens

Budget retail stores

Stationers

Supermarkets

$2 - $6

Chromatography

Water-based pens are most convenient for chromatography.

 

Filter paper
(economy grade)

Scientific suppliers

$6.15 pkt 100

Chromatography

Separation

Making indicator paper

Alternatively, use paper towels or coffee filters.

 

Flour

Supermarkets

$2.10 per 1.5kg

Dissolving - temporary and permanent change

Mixtures

 

 

Food colouring

Supermarkets

$1.35 per 28mL

Surface tension

Making oobleck and slime

 

 

Gelatine or jelly crystals

Supermarkets

$3 per 125g

Making jellies (fair testing)

 

 

Gloves
(latex, disposable)

Scientific suppliers

Medical suppliers

Supermarkets

$13.60 per 100

For protection

 

 

Glucose
[C6H12O6]

Supermarkets

Pharmacists

.

Dissolving - temporary and permanent change

Demonstrating Benedict's test

 

 

Scientific suppliers

$3.55 per 450g

Glue
(PVA - poly vinyl acetate)

Supermarkets

Hardware stores

Budget retail stores

$2.95 per 100mL

Making slime

Fair testing

Constructions

 

 

Golden syrup

Supermarkets

$2.35 per kg

Making hokey-pokey

Dissolving - temporary and permanent change

Mixtures

 

 

Glycerine
(glycerol)

Pharmacists

 

Making bubbles

Fair testing

 

 

Scientific suppliers

$13.20 per 500mL

Stock and station agents

 

 

Consumables

Sources

Approximate cost

Suggestions for use

Special notes

Checklist

Ice

Service stations

Liquor wholesalers

$2.5 per bag

Cooling

States of matter

Temporary and permanent change

 

 

Iceblock sticks

Supermarkets

$1.70 pkt 50

Stirring

Mixing

Constructions

 

 

Iodine
(I2)

Crystals

Pharmacists

 

States of matter

Iodine is poisonous and stains.

Stains can be removed if they are immediately treated with sodium thiosulphate solution. Refer to Safety and Science, pages 49, 51, and 58.

Iodine solution can be made by dissolving iodine crystals in methylated spirits.

 

Scientific suppliers

$24.20 per 100g

Iron (II) ammonium sulfate
[Ferrous ammonium sulfate, Fe(NH4)2(SO4)2]

Scientific suppliers

$13.90 per 250g

Growing crystals, crystal gardens, and coal flowers

Refer to Safety and Science, page 62.

 

Iron (II) sulfate
[FeSO4]

Scientific suppliers

$15.30 per 500g

Growing crystals, crystal gardens, and coal flowers

Refer to Safety and Science, page 62.

 

Garden centres

$3 per 500g

Iron filings
[Fe]

Scientific suppliers

$10 per 500g

Demonstrating magnetic fields

Keep dry, or else they will rust.

 

Labels

Stationers

$1.50 pkt 200

 

 

 

Lemon juice
(citric acid)

Supermarkets

$1.70 per 250mL

Acid

Invisible writing

Taste testing (sour taste)

 

 

Lime water

Scientific suppliers

Secondary school

$2.75 per 750mL

Testing for carbon dioxide

 

 

Litmus paper
(neutral)

Scientific suppliers

$4.40 for 100 strips

Acid-base indicator

 

 

Manganese sulfate
[MnSO4]

Scientific suppliers

$15.50 per 250g

Growing crystals, crystal gardens, and coal flowers

Refer to Safety and Science, page 62.

 

Marble chips
[Calcium Carbonate CaCO3]

Scientific suppliers

Stonemasons

$15.50 per 500g

Rock types

Making carbon dioxide (add acid)

Fossils can be seen in many marble panels in buildings.

 

Marshmallows

Supermarkets

$2.99 per 400g

 

 

 

Matches

Supermarkets

$1.32 pkt 50
(extra long)

 

 

 

Methylated spirits

Supermarkets

$4.28 per L

Dissolving - temporary and permanent change

Chromatography

Poisonous and flammable Store in a locked cupboard.

Seek medical advice if swallowed. Refer to Safety and Science, page 46.

 

Scientific suppliers

$14 per 2L

Service stations

 

Milk cartons

Home

Free

Paper: plant pots, storage

Plastic: funnels, jugs, storage

Make sure these are well washed.

 

Newsprint

Stationers

Budget retail stores

Printing works

 

Display

Brainstorming

Protective covering

 

 

Oil

Vegetable

Supermarkets

$5.92 per 2L

Dissolving - temporary and permanent change

Friction activities

 

 

Machine

Service stations

$2.47 per 500mL

Paper
(coloured)

Stationers

Budget retail stores

 

Construction

Posters

Displays

 

 

Paper clips

Stationers

Budget retail stores

75c - $1 pkt 100

Electrical circuits

Measuring mass

Magnetism

Model making

 

 

Paper towels

Supermarkets

$3.40
(twin set)

Filtering

Chromatography

Cleaning up

Fair testing

 

 

Peanuts

Supermarkets

$1.79 per 500g

Burning

Raw peanuts (unshelled) can be successfully used to grow plants.

 

Health shops

 

Pins or safety pins

Fabric shops

 

Construction

 

 

Plaster
[Calcium sulfate, CaSO4]

(plaster of Paris)

Paint shops

Hardware shops

$12.30 per 20kg

Modelling and constructions

Making fossils

Gib-stopping compound could be used instead.

 

Plastic containers and bags

Homes

 

Plastics units

Storage

Construction

Investigating

Packaging

Fair testing

Raising seedlings

Zip-lock plastic bags are an excellent way of displaying items such as birds' nests and fungi, which may be hazardous to some children. Chemical reactions can also be carried out inside the zip-lock plastic bags.

 

Plasticine

Toyshops

$2.95 pkt

Modelling

 

 

Popcorn

Supermarkets

 

Fair test (comparing different methods of heating)

Soak kernels for different periods of time to show seed structure.

 

 

Potting mix

Garden suppliers

Supermarkets

 

Raising seeds and growing plants

Fair testing

Different types and brands of potting mix have different compositions.

 

Raisins

Supermarkets

Health shops

$2.34 per 400g

Reversible change by soaking in water and then drying

Raisins are dried grapes.

 

Rubber bands

Stationers

Budget retail stores

$1.20 pkt 100

Construction

Forces

Lego Technic

Fair testing

 

 

Salt
[Sodium chloride, NaCl]

Supermarkets

Scientific suppliers

 

Dissolving - temporary and permanent change

Growing crystals, crystal gardens, and coal flowers

Table salt contains additives that may affect its properties.

Ensure that plain salt is purchased.

 

Non-iodised

 

$1.58 per 2kg

Rock salt

 

$1.25 per 500g

Sand

Garden suppliers

Hardware stores

Beaches

Rivers

 

Modelling

Observing under microscope

Showing sound vibrations

Sands from different locations are excellent for observation and comparison.

 

Sandpaper

Hardware shops

 

Friction activities

 

 

Seeds
(Broad bean, cress, mustard, etc.)

Garden suppliers

Supermarkets

$2 pkt

Growing

Broad beans are useful for demonstrating the structure of seeds.

Most seeds sold for planting are coated with fungicide. Either ensure that children wash their hands after handling, or wash seeds well before using them in seed structure investigations.

 

Shells

Beaches

Homes

 

Animal study

Classification and grouping

Adaptation

Study of environment or habitat

 

 

Soap

Supermarkets

Pharmacists

70c per cake

Reducing friction

Personal hygiene

 

 

Sodium carbonate
[Washing soda, Na2CO3.10H2O]

Scientific suppliers

$18.65 per 500g

Dissolving - temporary and permanent change

Growing crystals, crystal gardens, and coal flowers

 

 

Supermarkets

$2.69 per kg

Sodium silicate
[Na2SiO3]

(water glass)

Scientific suppliers

$17.80 per L

Crystal gardens

Egg preserver

Sodium silicate is used as the solution in which to grow crystal gardens.

 

Spaghetti, dried

Supermarkets

Health shops

$1.50 per 400g

Temporary and permanent change

 

 

Starch

Scientific suppliers

$17.05 per 500g

Dissolving - temporary and permanent change

 

 

Steel wool cleaning pads

Supermarkets

Paint shops

$2.50 pkt 10

Temporary and permanent change

Individual strands can be used as fuses in electrical circuits

Use non-soapy rather than soapy pads.

 

Straws

Supermarkets

Catering wholesalers

$1.27 pkt 50

Construction

Bubbling carbon dioxide

Making pipettes

 

 

String/cotton

Fabric shops

Supermarkets

Polystring: $2.40 per 150m

Jute: $1.84 per 65 m

Crystal growing

Construction

 

 

Sugar
[C12H22O11]

Supermarkets

$3.88 per 3kg

$2.01 per 1.5kg

Dissolving

Crystal growing

Temporary and permanent change

Sorting

Fair testing

A range of sugars (coffee crystals, cubes, white, brown, raw, castor, icing) can be used.

 

Talc
(climber's talc)

Sports shops

$15.95 per 500g

Fingerprinting

 

 

Tape, masking

Stationery shops

Budget retail stores

Paint shops

$1.90 per 20m roll

Construction

Fair tests

Marking out floor areas

Adhesive dries out on old stock; store in plastic bags.

 

Tartaric acid

Supermarkets

Scientific suppliers

$3.40 per 100g

Acid

 

 

Tissue paper

Newsagents

Supermarkets

Educational suppliers

$1 per 5 sheets

Hot air balloons

Kites

Modelling

 

 

Toothpicks

Supermarkets

95c pkt 50

Construction

 

 

Universal indicator

solution

paper

Scientific suppliers

$56.00 per 500mL

$14.10 for 10 packs of 20 leaves in a booklet

Acid-base indicator

Universal indicator give a range of colours indicating different pH.

 

Vinegar
[acetic acid CH3COOH]

(white)

Supermarkets

$5.22 per 2L

$2.25 per 750mL

Acid

Making carbon dioxide (add to a carbonate, e.g., marble)

Vinegar contains acetic acid. White vinegar is preferable to malt. Refer to Safety and Science, page 61.

 

Wallpaper paste

Supermarkets

Paint and hardware shops

$5.99 - makes 8L

Constructions

 

 

Wax, paraffin

Supermarkets

$2.29 per 100g tin

States of matter

Temporary and permanent change

Beeswax can also be used.

 

Yeast

Supermarkets

Active yeast: $3.55 per 150g

Dried yeast: $3.60 per 130g

Fair testing between dried and compressed yeast

Yeast has a finite shelf-life.

 

 



Content last updated: 10 March 2010