写真素材の検索結果

Simple light bulb circuit

Simple light bulb circuit

Multipurpose meter shunts

Conductivity of a glass rod

Conductivity of a metal spoon

Zero-centre ammeter

Multipurpose meter shunts

Conductivity of a salt solution

Conductivity of aluminium

Conductivity of a carbon rod

Electrostatic attraction

Voltmeter

Simple circuit to measure amps

Simple circuit to measure amps

Simple circuit to measure amps

Digital multimeter

Digital multimeter with lightbulb

Batteries

Conductivity test

Conductivity test

Digital voltmeter

Battery and steel wool

Battery test circuit

Simple circuit with motor

Conductivity test

Testing sulphur for conductivity

Clinometer

Electroscope

Electrometer

Simple circuit to measure volts

Simple circuit to measure volts

Variable resistance box

Rheostat

Potentiometer jockey

Rheostat

DC motor commutator end cap

Electronic diode

Daniell electrochemical cell

Daniell electrochemical cell

Digital colorimeter

Digital colorimeter with cuvettes

Digital colorimeter with cuvettes

Digital colorimeters with cuvettes

Wave diffraction

Wave interference

Hydrometer

Optics of camera with no lens

Magnetic repulsion

Magnetic attraction

Hand pouring a jug of water into container of oil and syrup

Dipping magnet in iron filings

Orbital phases demonstration

Light dispersion experiment

Weighing an apple

Magnetic field

Loudspeaker and microphone

Fluid pressure demonstration

Making a reactant solution

Coulombmeter

Lightbulb

Circuit with bulb and switch

Measuring jug and bulb pipette

Universal indicator colour range

Universal indicator colour range

Phenolphthalein acid-base indicator

Bicycle dynamo

Energy saving lightbulb

Energy saving lightbulb

Placing jam jar over lit candle in dish containing water

Daniell electrochemical cell

Daniell electrochemical cell

Using a 'makeshift' calorimeter

Stretched spring

Stretched spring

Electric circuit split into branches

Simple electronic circuit detects water

Soxhlet extractor

Soxhlet extractor

Soxhlet extractor

Soxhlet extractor

Soxhlet extractor

Soxhlet extractor

Soxhlet extractor

Soxhlet extractor

Soxhlet extractor

Soxhlet extractor

Soxhlet extractor

Soxhlet extractor

Soxhlet extractor

Soxhlet extractor

Soxhlet extractor

Soxhlet extractor

Soxhlet extractor

Soxhlet extractor

Cobalt (II) chloride solution

Potassium permanganate titration

Iron (III) chloride solution

Copper (II) chloride solution

Potassium reacting with water

pH meter in orange juice

pH in sodium bicarbonate solution

pH meter in orange juice

pH in sodium bicarbonate solution

Phenolphthalein a single indicator

De-colourised bromine water

Phenolphthalein a single indicator

Methyl orange in acid

Methyl orange in acid

Phenolphthalein a single indicator

Reading a burette

Ammonia test

Reading a burette of permanganate

Parallax demonstration

Starch content of leaves

Universal indicator

Starch content of leaves

Potassium chromate and silver nitrate

Cut apple

Magnesium burning in air

Lithium chloride burns with a bright crimson flame

Sodium chloride burns with a bright yellow flame

Copper (II) sulphate crystals

Salol crystals on a microscope slide

Salol crystals on a chilled microscope slide

Reading a burette

Reading a burette of permanganate

Titrating a reactant from a burette

Reading a burette

Reading a burette of permanganate

Transferring a reactant into a flask

Bulb resting on steel screw

Magnesium-acid reaction

Magnesium-acid reaction

Iron (II) hydroxide precipitation

Potassium reacting with water

Plasticine ball and marbles in tank of water

Small clear glass filled with water up to a green line

理科の実験（クラフト）

理科の実験（クラフト）

Mirror reflecting torchlight

Anemometer

Calcium reacting with water, initial stage

Calcium reacting with water, later stage

Limestone-acid reaction

Copper-silver metal displacement reaction

Iron (III) hydroxide precipitation

Potassium reacting with water

Grinding natural rock salt

Recrystallised rock salt

Filtering rock salt solution

Measuring the force between two charges

Measuring the force between two charges

Charged sphere in an electric field

Charged sphere in an electric field

Motor effect experiment

Motor effect experiment

Simple motor

Simple motor

Plasma globe

Plasma globe

Plasma globe

Litmus paper test on a lemon

Litmus paper test on a lemon

Universal indicator test on a lemon

Universal indicator test on an orange

Litmus paper test on an orange

Litmus paper test on an orange

Buzzer circuit

Litmus pH indicator in acid and basic

Measuring force

Transition element salts in solution

Transition element salts in solution

Transition element salts in solution

Transition element salts in solution

Potassium permanganate titration

Iron (II) chloride solution

Magnesium ribbon in ethanoic acid

Rates of reaction experiment

Magnesium ribbon in ethanoic acid

Ethanal and Brady's reagent

Magnesium ribbon in ethanoic acid

Magnesium ribbon in ethanoic acid

Formation of Lead (II) iodide

Formation of Lead (II) iodide

Formation of Lead (II) iodide

Formation of Lead (II) iodide

Immiscible liquids

Soil settling out of water

Immiscible liquids

Resistors

Resistors

Resistors

Electrical transformer coils

Light-dependent resistor

Light-dependent resistor

Potentiometers

Potentiometers

Buzzer

Magnetising a needle

Close up of a stationary electric motor