写真素材の検索結果

Optics of camera with no lens

Optics of a camera with a lens

Optics of near-sightedness

Light dispersion experiment

Wave interference

Digital colorimeter

Digital colorimeter with cuvettes

Digital colorimeter with cuvettes

Digital colorimeters with cuvettes

Hand lens

Salol crystals on a microscope slide

Salol crystals on a chilled microscope slide

Simple light bulb circuit

Simple light bulb circuit

Conductivity of a glass rod

Conductivity of a metal spoon

Variable resistance box

Rheostat

Battery and steel wool

Electrostatic attraction

Wave diffraction

Potentiometer jockey

Rheostat

Simple circuit with motor

Hydrometer

Electroscope

Electrometer

Magnetic repulsion

Magnetic attraction

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

Dipping magnet in iron filings

Orbital phases demonstration

Weighing an apple

Magnetic field

Loudspeaker and microphone

Cross polarized filter

Prism refracting visible light

Concave lens

Light refraction with biconvex lens

Conductivity of a salt solution

Conductivity of aluminium

Using a 'makeshift' calorimeter

Stretched spring

Stretched spring

Testing sulphur for conductivity

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

Measuring jug and bulb pipette

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

Reading a burette

Reading a burette of permanganate

Titrating a reactant from a burette

Making a reactant solution

Reading a burette

Reading a burette of permanganate

Transferring a reactant into a flask

Zero-centre ammeter

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）

Microscope lens

Microscope lens

Microscope lens

Microscope lens

Microscope lens

Microscope lens in a laboratory

Measuring the force between two charges

Measuring the force between two charges

Laser light beam reflected in mirror

Light beams in a refracting telescope

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

Placing jam jar over lit candle in dish containing water

Light microscope

Light microscope

Light microscope

Human eye model

Human eye model

Human eye model

Human eye model

Human eye model

Human eye model

Assorted LEDs

Assorted LEDs

Assorted LEDs

Eye anatomy model

Eye anatomy model

Visible light spectrum

Fibre optics

Fibre optics

Fibre optics

Fibre optics

Fibre optics

Fibre optics

Fibre optics

Fibre optics

Fibre optics

Fibre optics

Fibre optics

Fibre optics

Receiving screen on an optical bench

Receiving screen on an optical bench

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

Camera lens

Bubble

Bubble

Light microscope

Light microscope

Light microscope

Light microscope

Immiscible liquids

Conductivity of a carbon rod

Fluid pressure demonstration

Soil settling out of water

Immiscible liquids

Mirror reflecting torchlight

理科室の黒板

理科室の黒板

Optics experiment

Optics experiment

Optics experiment

Collision experiment

Digital multimeter

Digital multimeter with lightbulb

Ultrasound detector

Clinometer

Colourimeter cuvettes with beetroot

Zoom camera lens

Zoom camera lens

Zoom camera lens