写真素材の検索結果

Girl holding stick with blue circle attached to top

Colour spreading on litmus paper

Colour spreading on litmus paper

Colour spreading on litmus paper

試験管を持っている小学生の女の子

実験をする小学生

Red plate holding two ice cubes

Hand pouring milk from glass jug

Measuring force

試験管を持っている笑顔の小学生の男の子

Creating electric circuit with wires

実験をする小学生

Hand holding red balloon with stickmen cut-outs attached

理科の実験（クラフト）

理科の実験（クラフト）

Teen girl

Red bowl containing water and ice cube

Natural science classroom in school

Child's hand lowering magnet over household objects

実験をする小学生

実験をする小学生

実験をする小学生

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

Investigating weight bouncing on spring

Investigating weight bouncing on spring

Investigating weight bouncing on spring

Investigating weight bouncing on spring

実験をする小学生

Potassium reacting with water

Potassium reacting with water

Salol cooling rapidly to form crystals

Salol cooling rapidly to form crystals

Salol cooling rapidly to form crystals

Calcium reacting with water, initial stage

Magnesium-acid reaction

Magnesium-acid reaction

Iron (II) hydroxide precipitation

Iron (III) hydroxide precipitation

Potassium reacting with water

Potassium reacting with water

Weighing an apple

Plants germinating in glass

Laser light beam reflected in mirror

Light beams in a refracting telescope

Hydrometer

Electroscope

Electrometer

Starch content of leaves

Grinding natural rock salt

Recrystallised rock salt

Filtering rock salt solution

Universal indicator

Cut apple

pH in sodium bicarbonate solution

Digital colorimeter

Digital colorimeter with cuvettes

Digital colorimeter with cuvettes

Digital colorimeters with cuvettes

pH meter in orange juice

pH in sodium bicarbonate solution

Litmus indicator dropping from pipette into beaker for pH test

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

Prism refracting visible light

Glass flasks with liquids in a laboratory

Glass flasks with liquids in a laboratory

Dipping magnet in iron filings

concentrating hands

Boy holding magnet with large number of pins on

University college students writing test or exam

University college students writing test or exam

University college students writing test or exam

University college students writing test or exam

University college students writing test or exam

Separating salt from rock salt

Phenolphthalein a single indicator

実験をする小学生

実験をする小学生

実験している小学生の男の子

実験道具を持っている小学生の男の子

Girl using microscope

Tin in sulphuric acid

Limestone and acid

Effect of pH on action of amylase

Ammonia test

Orbital phases demonstration

Magnifying glass

実験をする小学生

A girl do experiment with pipette and test tube

Devices for measuring liquids

実験イメージ

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

Robotic arm holding flask

Chemistry apparatus

Chemistry apparatus

Chemistry apparatus

Chemistry apparatus

Chemistry apparatus

Chemistry apparatus

Chemistry apparatus

Chemistry apparatus

Chemistry apparatus

Chemistry apparatus

Chemistry apparatus

Chemistry apparatus

Chemistry apparatus

Chemistry apparatus

Chemistry apparatus

Chemistry apparatus

Chemistry apparatus

Chemistry apparatus

Chemistry apparatus

Chemistry apparatus

Chemistry apparatus

Chemistry apparatus

Chemistry apparatus

Chemistry apparatus

Variable resistance box

Zero-centre ammeter

Rheostat

Wave diffraction

Rheostat

Osmosis demonstration

Osmosis demonstration

Osmosis demonstration

Osmosis demonstration

Titrating a reactant from a burette

Making a reactant solution

Transferring a reactant into a flask

Magnesium burning in air

Lit candle in dish containing water

Plasticine ball and marbles in tank of water

Small clear glass filled with water up to a green line

Books Attached to Small Parachutes

Hands holding molecular structure

Chemistry research

Chemistry research

Young scientists working in laboratory

Young scientists working in laboratory

Young scientists working in laboratory

Young scientists working in laboratory

Girl sitting on floor concentrating on writing homework

A+ Apple

A+ Apple

School Apple

授業中の小学生

授業中の小学生

授業中の小学生

close up of a book being opened

Girl painting

Open dictionary

Redhead girl doing homework at home

Girl using microscope, portrait

Woman holdig book

Osmosis experiment

Burning lithium

Loudspeaker and microphone

Calcium reacting with water, later stage

Iron (III) chloride solution

Potassium reacting with water

Potassium chromate and silver nitrate

Conductor in magnetic field

Measuring the half-life of protactinium

Measuring the half-life of protactinium

Half life demonstration using dice

Student using microscope

Student using microscope

Student using microscope

Microscope slide preparation

実験をする小学生

試験管を観察している小学生の女の子

親子

実験をする小学生

実験をする小学生

実験している小学生の女の子

Copper (II) sulphate crystals