写真素材の検索結果

Zero-centre ammeter

Multipurpose meter shunts

Simple light bulb circuit

Simple light bulb circuit

Digital multimeter

Digital multimeter with lightbulb

Multipurpose meter shunts

Simple circuit to measure amps

Simple circuit to measure amps

Simple circuit to measure amps

Conductivity of a glass rod

Conductivity of a metal spoon

Electroscope

Bourdon pressure gauge

Bourdon pressure gauge

Bourdon pressure gauge

Bourdon pressure gauge

Conductivity of a salt solution

Conductivity of aluminium

Electrometer

Alternating current transformer and ammeter

Testing sulphur for conductivity

Digital colorimeter

Digital colorimeter with cuvettes

Digital colorimeter with cuvettes

Digital colorimeters with cuvettes

Weighing an apple

Conductivity of a carbon rod

Voltmeter

Coulombmeter

Rheostat

Rheostat

Dipping magnet in iron filings

Titrating a reactant from a burette

Transferring a reactant into a flask

Making a reactant solution

Hydrometer

Measuring jug and bulb pipette

Battery and steel wool

理科の実験（クラフト）

理科の実験（クラフト）

DC motor commutator end cap

Variable resistance box

Using a 'makeshift' calorimeter

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

pH in sodium bicarbonate solution

pH in sodium bicarbonate solution

Wave diffraction

Magnesium-acid reaction

Magnesium-acid reaction

Iron (II) hydroxide precipitation

Potassium reacting with water

Potassium reacting with water

Grinding natural rock salt

Magnesium burning in air

Plasticine ball and marbles in tank of water

Small clear glass filled with water up to a green line

電流計の目盛りのアップ

電流計の目盛りのアップ

Recrystallised rock salt

Universal indicator

Using a 'makeshift' calorimeter

Luminous watch hands

Creating electric circuit with wires

Batteries

Hand pouring milk from glass jug

Micrometer measuring wire

Micrometer measuring ball bearing

Digital pH meter

Tally counter

Clinometer

pH meter in orange juice

Calcium reacting with water, initial stage

Iron (III) hydroxide precipitation

Starch content of leaves

Filtering rock salt solution

Cut apple

Hourglasses

Clock

Iron (III) chloride solution

Potassium chromate and silver nitrate

Loudspeaker and microphone

Hand holding red balloon with stickmen cut-outs attached

Conductivity test

Conductivity test

Digital multimeter

Digital multimeter

Copper (II) chloride on watch glass

Copper (II) chloride with hazard pictograms

Carbon monoxide alarm

Smoke alarm

Measuring force

Mounted needle

Mounted needle

Mounted seeker needle

Mounted seeker needle

Electrostatic attraction

Potentiometer jockey

Simple circuit with motor

Cobalt (II) chloride solution

Copper (II) chloride solution

De-colourised bromine water

Reading a burette

Ammonia test

Reading a burette of permanganate

Copper-silver metal displacement reaction

Reading a burette

Reading a burette of permanganate

Reading a burette

Reading a burette of permanganate

Child's hand lowering magnet over household objects

Red plate holding two ice cubes

Micrometer measuring wire

Potassium reacting with water

Phenolphthalein a single indicator

Calcium reacting with water, later stage

Placing jam jar over lit candle in dish containing water

Daniell electrochemical cell

Daniell electrochemical cell

Fibre optic and needle

Spirit level

Geometry set

Gyroscope

Gyroscope balancing on a wire

Gyroscope balancing on a wire

Gyroscope

Gyroscope

Gyroscope balancing on a wire

Gyroscope balancing on a wire

理科の実験（クラフト）

Beakers of acidic and basic solutions after litmus indicator has been added. Litmus changes its colour depending on the pH of the solution

Beakers of acidic and basic solutions after litmus indicator has been added. Litmus changes its colour depending on the pH of the solution

Glass flasks with liquids in a laboratory

Glass flasks with liquids in a laboratory

Digital voltmeter

Anemometer

温度計

Fluid pressure demonstration

Simple circuit to measure volts

Simple circuit to measure volts

Alarm clock

Electrical transformer coils

Graduated pipette

Iron salts in solid and liquid forms

Copper (I) chloride on watch glass

Iron (II) chloride on a watch glass

Iron (II) chloride with hazard pictograms

Bromine

Lead

Water

Aluminium powder

Tap and flowing water

Measuring the force between two charges

Measuring the force between two charges

Supplies for driving force experiment

Ultrasound detector

Devices for measuring liquids

Left and right handed scissors

Left and right handed scissors

Wooden dissection tray

Wooden dissection tray

Analog Ammeter

Analog multimeter

Potassium permanganate titration

pH meter in orange juice

Phenolphthalein a single indicator

Methyl orange in acid

Methyl orange in acid

Phenolphthalein a single indicator

Wave interference

Parallax demonstration

Limestone-acid reaction

Optics of camera with no lens

Starch content of leaves

Magnetic repulsion

Magnetic attraction

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

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

Orbital phases demonstration