写真素材の検索結果

Digital colorimeter with cuvettes

Digital colorimeter with cuvettes

Digital colorimeters with cuvettes

Digital colorimeter

Weighing an apple

Electroscope

Hydrometer

pH in sodium bicarbonate solution

pH in sodium bicarbonate solution

Wave diffraction

Electrometer

pH meter in orange juice

Rheostat

Rheostat

Zero-centre ammeter

Digital pH meter

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

Starch content of leaves

Universal indicator

Cut apple

Magnesium-acid reaction

Magnesium-acid reaction

Iron (II) hydroxide precipitation

Potassium reacting with water

Dipping magnet in iron filings

Magnesium burning in air

Titrating a reactant from a burette

Transferring a reactant into a flask

Variable resistance box

Loudspeaker and microphone

Metals

Optics of camera with no lens

Plasticine ball and marbles in tank of water

Small clear glass filled with water up to a green line

Potassium reacting with water

Grinding natural rock salt

Clinometer

Calcium reacting with water, initial stage

Bourdon pressure gauge

Measuring jug and bulb pipette

Potassium chromate and silver nitrate

Battery and steel wool

理科の実験（クラフト）

理科の実験（クラフト）

Colourimeter cuvettes with beetroot

Light dispersion experiment

Making a reactant solution

Electrostatic attraction

Wave interference

Using a 'makeshift' calorimeter

Simple light bulb circuit

Using a 'makeshift' calorimeter

Bourdon pressure gauge

Bourdon pressure gauge

Bourdon pressure gauge

Iron (III) hydroxide precipitation

Recrystallised rock salt

Filtering rock salt solution

Iron (III) chloride solution

Potassium reacting with water

Phenolphthalein a single indicator

Coulombmeter

Hand lens

pH meter in orange juice

Reading a burette

Reading a burette

Reading a burette

Prism refracting visible light

Calcium reacting with water, later stage

Ultrasound detector

Tally counter

Soil settling out of water

Gyroscope

Gyroscope balancing on a wire

Gyroscope balancing on a wire

Devices for measuring liquids

Visible light spectrum

Simple light bulb circuit

Conductivity of a glass rod

Conductivity of a metal spoon

Orbital phases demonstration

Salol cooling rapidly to form crystals

Salol cooling rapidly to form crystals

Salol cooling rapidly to form crystals

Water

Graduated pipette

Micrometer measuring ball bearing

Measuring force

Ammonia test

Starch content of leaves

Testing sulphur for conductivity

Mounted needle

Mounted needle

Mounted seeker needle

Mounted seeker needle

Laser light beam reflected in mirror

Light beams in a refracting telescope

Digital multimeter

Digital multimeter with lightbulb

Soil pH meter

Drops of mercury

Drops of mercury

Drops of mercury

Drops of mercury

Drops of mercury

Drops of mercury

Gyroscope balancing on a wire

Gyroscope

Gyroscope

Gyroscope balancing on a wire

Limestone-acid reaction

Light microscope

Light microscope

Light microscope

Concave lens

Light refraction with biconvex lens

Immiscible liquids

Immiscible liquids

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

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

Osmosis demonstration

Osmosis demonstration

Osmosis demonstration

Osmosis demonstration

Glass flasks with liquids in a laboratory

Glass flasks with liquids in a laboratory

Potentiometer jockey

Simple circuit with motor

Magnetic repulsion

Magnetic attraction

Magnetic field

Potassium reacting with water

Potassium reacting with water

Iron salts in solid and liquid forms

Copper (I) chloride on watch glass

Copper (II) chloride on watch glass

Copper (II) chloride with hazard pictograms

Iron (II) chloride with hazard pictograms

Bromine

Lead

Aluminium powder

Compasses

Compass

Salt in a dish

Sparkler

Set of weights

Spring

Micrometer measuring wire

Lithium chloride burns with a bright crimson flame

Sodium chloride burns with a bright yellow flame

Copper (II) sulphate crystals

Bubble

Bubble

Light microscope

Light microscope

Light microscope

Salol crystals on a chilled microscope slide

Resistors

Resistors

Slinky spring

Resistors

Light dependent resistor

Light dependent resistors

DC motor commutator end cap

Digital voltmeter

Magnets with a small compass

Light dependent resistor

Cobalt (II) chloride solution

Potassium permanganate titration

Copper (II) chloride solution

Phenolphthalein a single indicator

De-colourised bromine water

Methyl orange in acid

Methyl orange in acid

Phenolphthalein a single indicator

Reading a burette of permanganate

Reading a burette of permanganate

Reading a burette of permanganate

Conductivity of a salt solution

Conductivity of aluminium

Stretched spring

Stretched spring