Salol cooling rapidly to form crystals
Salol crystals on a chilled microscope slide
Salol crystals on a microscope slide
Salol crystals after slow cooling
Salol crystals after fast cooling
Potassium reacting with water
Osmosis demonstration
Phenol reactions
Soxhlet extractor
Magnesium-acid reaction
pH in sodium bicarbonate solution
Hand pouring milk from glass jug
Robotic arm holding flask
Copper (II) sulphate crystals
Burning zinc
Grinding natural rock salt
Burning lithium
Osmosis experiment
Tin in sulphuric acid
pH meter in orange juice
Alkane or alkene test
Burning copper
Beakers of acidic and basic solutions after litmus indicator has been added. Litmus changes its colour depending on the pH of the solution
Chemistry apparatus
Digital colorimeter
Digital colorimeter with cuvettes
Digital colorimeters with cuvettes
Titrating a reactant from a burette
Transferring a reactant into a flask
Glass flasks with liquids in a laboratory
Magnesium burning in air
Creating electric circuit with wires
Child's hand lowering magnet over household objects
Red plate holding two ice cubes
Calcium reacting with water, initial stage
Iron (II) hydroxide precipitation
Laser light beam reflected in mirror
Light beams in a refracting telescope
Lithium chloride burns with a bright crimson flame
Sodium chloride burns with a bright yellow flame
Devices for measuring liquids
Separating salt from rock salt
Measuring jug and bulb pipette
Small clear glass filled with water up to a green line
Salicylic acid drug crystals
Limestone-acid reaction
De-colourised bromine water
Hydrometer
Measuring force
Phenolphthalein a single indicator
Azo dye formation
Bromination of phenol
Salicylic acid crystals, polarised light micrograph
Callus remover crystals, light micrograph
理科の実験(クラフト)
Measuring change of mass in a reaction
Iron (III) chloride solution
Litmus indicator dropping from pipette into beaker for pH test
Natural science classroom in school
Starch content of leaves
Universal indicator
Cut apple
Making a reactant solution
Calcium reacting with water, later stage
Effect of pH on action of amylase
Testing pH
Iron (III) hydroxide precipitation
Copper-silver metal displacement reaction
Prism refracting visible light
Electroscope
Electrometer
Plants germinating in glass
Red bowl containing water and ice cube
Hand holding red balloon with stickmen cut-outs attached
Dipping magnet in iron filings
Plasticine ball and marbles in tank of water
Weighing an apple
Colour spreading on litmus paper
Lit candle in dish containing water
Zero-centre ammeter
Rheostat
Wave diffraction
Recrystallised rock salt
Iron (II) chloride on a watch glass
Iron (II) chloride with hazard pictograms
Methyl orange in acid
Limestone and acid
Bromoethane synthesis
Measuring the force between two charges
Charged sphere in an electric field
Motor effect experiment
Simple motor
Investigating weight bouncing on spring
Microscope slide preparation
試験管を持っている笑顔の小学生の男の子
試験管を持っている小学生の女の子
Measuring the half-life of protactinium
Half life demonstration using dice
Graduated pipette
Bunsen burner
Benedict's test for sugars
Titration experiment
Organic synthesis
Battery and steel wool
Distillation equipment
Distillation apparatus
Reaction rates
Testing for carbonate
Zinc granules in weak hydrochloric acid
Benedict's reagent
実験をする小学生
Copper (II) chloride solution
Ammonia test
Reading a burette of permanganate
Aspirin molecular model, artwork