写真素材の検索結果

Button tied to pencil and hanging in glass of water

Bowl of salt and salt dissolving in water

Layers of syrup and vegetable oil in glass jar

Layers of syrup and vegetable oil in glass jar

Creating a homemade sundial with a pencil and a paper plate

Close-up of glass jar with ice

Bottle containing hot water

Two glass flasks containing Potassium

Torch shining through jar containing water and milk

Glass of water with a red pencil, artwork

Chemical in glass of water

Pipe cleaner in snowflake shape

Person pulling pebble-filled box over pencils

Hands drawing line holding yellow ruler and pencil

Straw at bottom of bottle of water

Lit candle under bell jar

Rubbing out with pencil eraser

Child's hand putting jar of water into box

答案用紙と筆記用具

Vortex in glass of water

Vortex in glass of water

スポイトとシャーレ

Red book and notepad with coloured pencil

Oxygen concentration experiment

Blue liquid flowing from one glass into another glass

Peeled satsuma at bottom of jug of water

テストと鉛筆

テストと鉛筆

A Plus Grade

Hands pouring warm green liquid into jar of cold water

Placing jam jar over lit candle in dish containing water

Coffee cup covered with pierced cling film inside glass jar

Plant cutting growing roots

Colored pencils in jar

Vortex in glass of water with spoon

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Old folding ruler with carpenter pencil on wooden background, close up

Glass bottle containing vinegar covered by inflated balloon

Still life with paintbrush, flower and bricolage

Capillary action experiment

Cup of coffee with notebook and pencil, overhead view

Laboratory equipment

Laboratory Test & Medicines

Pencil holders made from tin cans decorated with paper and rubber bands

Reaction of chalk and acid

Science classroom

Science classroom

Science classroom

実験イメージ

Exploding cork, out of bottle of vinegar

実験器具

Pen and tick boxes with Yes and No options

Pen and tick boxes with Yes and No options

Tick in the box and golden pen

Pen and tick boxes with Yes and No options

Pen and ticked tick box isolated on white

Pen and tick boxes with Yes and No options

Pen and tick boxes with Yes and No options

Check boxes and pen isolated on the white

Check boxes and pen isolated on the white

Check boxes and pen isolated on the white

Check boxes and pen isolated on the white

三角フラスコとインク

ビーカーとインク

ビーカーとインク

Dropping iodine into a bottle

実験器具

Spoon of salt above glass of carbonated water

Water meniscus differences

Blue pencil close-up

実験

Pencil jar decorated with buttons

Hand holding match over glass jar containing water

Coffee cup inside glass jar containing cold water

Electrolysis of water

Electrolysis of water

Laboratory glassware

A hand is holding a pencil

Pencil chart representing success on grey background

Crumbled paper,pencil and note saying 'ideas'

Vintage notebook with hand-made tassels as bookmarks

Self erasing pencil in front of white background

Old carpenter pencil on wooden background, close up

教員採用試験の問題（レプリカ）

Healthcare And Medicine,Glassware,Laboratory Glassware,Utensil,

実験イメージ

A jar with selection of paintbrushes on a wooden table.

Close up of colored pencils in jar

Jar of pencils and notebook on table

Glass rod refracted in beaker of water

Flask with purple liquid

Glass filled with a blue liquid

Chemistry, conceptual image

Liquid in laboratory flask

Laboratory glassware

Laboratory glassware

Laboratory glassware

Chemistry experiment in lab

Copper sheet in zinc solution

Thermal expansion of a liquid

Thermal expansion of liquids

Thermal expansion of liquids

Cup of coffee with notebook and instant camera, overhead view

Flower shapes punched out of maps decorating envelopes

Peach and pistachio preserve in jar with seal

Alkane decolourisation of bromine water

Scientist closing the lid of a sample, conceptual image

薬品と注射器

実験器具

Beaker of heated, steaming water

Red bowl containing water and ice cube

Potassium permanganate crystals in dish

実験

Early battery

研究する研究者の手元

Dandelion seed on pencil

Burning sugar

Burning calcium

Burning zinc

Sodium burning in oxygen

Sodium burning in oxygen, post-reaction

Sulphur burning

Chemical apparatus

Chemical apparatus

Chemical apparatus

Chemical apparatus

Chemical apparatus

Chemical apparatus

実験器具

噴水実験

噴水実験

薬品のビン

Medical

実験イメージ

実験イメージ

実験イメージ

実験イメージ

Laboratory bottles and tubes

Laboratory bottles and tubes

Laboratory bottles and tubes

Stem cell research equipment

Chemical experiment

Experiment with the test tube

Chemical experiment

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Laboratory equipment

Pencil

Pencil

Laboratory glassware

travel in France Provence

タニシ

Vortex in glass of water

Oil in water

Oil dispersing in water

Dye in tank of heated water

Clear liquid dripping into a beaker containing red liquid

Spectrum of light experiment, 1889

Weight in air and water, image 2 of 2

Water boiling in glass beaker on top

Set of scales with a bowl of water

Battery connected to two electrodes