Age 14 - 16 - Biology - Experiments

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Age 14 - 16

119 Article

Raised bog and fen

Raised bog and fen

Item no.: P1521262

Fixation and staining

Fixation and staining

Item no.: P1440701

Preparation of reagents

Preparation of reagents

Item no.: P1440901

Bacteria

Bacteria

Item no.: P1444901

We study a flower

We study a flower

Item no.: P8010000

Hermophrodite flowers

Hermophrodite flowers

Item no.: P8010100

Monoecious and dioecious flowers

Monoecious and dioecious flowers

Item no.: P8010200

From seed to plant

From seed to plant

Item no.: P8010500

Ionic permeability of the cell membrane with Cobra4

Ionic permeability of the cell membrane with Cobra4

Item no.: P4120260

Water supply of plants

Water supply of plants

Item no.: P8011700

The function of roots

The function of roots

Item no.: P8011600

Wilting of plants

Wilting of plants

Item no.: P8011400

Conditions necessary for photosynthesis

Conditions necessary for photosynthesis

Item no.: P8011800

The green leaf pigment

The green leaf pigment

Item no.: P8011900

Dispersal of seeds

Dispersal of seeds

Item no.: P8014000

Changes of the light conditions in a deciduous forest

Changes of the light conditions in a deciduous forest

Item no.: P1520762

Comparison of soil and air temperatures in the course of a day with Cobra4

Comparison of soil and air temperatures in the course of a day with Cobra4

Item no.: P1520962

Impact of the forest type on humidity, temperature and brightness

Impact of the forest type on humidity, temperature and brightness

Item no.: P1521762

Terrain mapping

Terrain mapping

Item no.: P1520662

Conditions necessary for germination of seeds

Conditions necessary for germination of seeds

Item no.: P8010600

Swelling

Swelling

Item no.: P8010700

Germination and oxygen

Germination and oxygen

Item no.: P8010800

Germination and temperature

Germination and temperature

Item no.: P8010900

Germination and light

Germination and light

Item no.: P8011000

Inhibition of germination in fruits

Inhibition of germination in fruits

Item no.: P8011100

The function of the seed leaves

The function of the seed leaves

Item no.: P8011200

Construction of a plant seed

Construction of a plant seed

Item no.: P8011300

Water quality - contamination with heavy metals

Water quality - contamination with heavy metals

Item no.: P0990162

We examine our drinking water with Cobra4

We examine our drinking water with Cobra4

Item no.: P1520062

Acidity changes of a watercourse

Acidity changes of a watercourse

Item no.: P1520862

Salinity changes of a watercourse

Salinity changes of a watercourse

Item no.: P1521462

Learning stations using the experimentation case"Cobra4 Mobile, Environment and outdoors"

Learning stations using the experimentation case"Cobra4 Mobile, Environment and outdoors"

Item no.: P1521562

We visit a wastewater treatment plant

We visit a wastewater treatment plant

Item no.: P1521662

The size of soil particles

The size of soil particles

Item no.: P8012000

The chalk content of the soil

The chalk content of the soil

Item no.: P8012100

The pH value of various soils

The pH value of various soils

Item no.: P1521062

Salinity of soils and plant substrates

Salinity of soils and plant substrates

Item no.: P1521162

Structure and strength of bones

Structure and strength of bones

Item no.: P8010300

Examination of the exhaled air

Examination of the exhaled air

Item no.: P8013300

Direct determination of lung volume from a spirogram

Direct determination of lung volume from a spirogram

Item no.: P8001160

Does the lung volume depend on how tall you are?

Does the lung volume depend on how tall you are?

Item no.: P8001260

Diagnosis of lung disease (FEV) with Cobra4

Diagnosis of lung disease (FEV) with Cobra4

Item no.: P8001360

Pulse at rest and during exercise

Pulse at rest and during exercise

Item no.: P8000160

We determine our heart frequency

We determine our heart frequency

Item no.: P1522060

We investigate our physical fitness - the heart under stress with Cobra4

We investigate our physical fitness - the heart under stress with Cobra4

Item no.: P1522160

Mechanism of diaphragmatic respiration

Mechanism of diaphragmatic respiration

Item no.: P1049300

The blind spot

The blind spot

Item no.: P8013700

Optical illusions

Optical illusions

Item no.: P8013800

Response of algae to light

Response of algae to light

Item no.: P8013900

Subjective colour mixing with the colour wheel

Subjective colour mixing with the colour wheel

Item no.: P0872500

Directional hearing

Directional hearing

Item no.: P6010700

Bone conduction

Bone conduction

Item no.: P6011500

Lower and upper hearing threshold

Lower and upper hearing threshold

Item no.: P6010600

Sound and noise

Sound and noise

Item no.: P6010500

Noise level traffic lights

Noise level traffic lights

Item no.: P6011600

The sense of smell

The sense of smell

Item no.: P8013400

The combination of the senses of the taste and smell

The combination of the senses of the taste and smell

Item no.: P8013500

The sense of taste

The sense of taste

Item no.: P8013600

Foods and nutrients

Foods and nutrients

Item no.: P8012200

Starch containing nutrients

Starch containing nutrients

Item no.: P8012300

Sugar containing nutrients

Sugar containing nutrients

Item no.: P8012400

Fat containing nutrients

Fat containing nutrients

Item no.: P8012500

Protein containing nutrients

Protein containing nutrients

Item no.: P8012600

Digestion in the mounth

Digestion in the mounth

Item no.: P8012700

Digestion in the stomach

Digestion in the stomach

Item no.: P8012800

Digestible and indesgestible protein

Digestible and indesgestible protein

Item no.: P8012900

The function of the bile

The function of the bile

Item no.: P8013000

Digestion in the intestine

Digestion in the intestine

Item no.: P8013100

Digestible and indigestible fats

Digestible and indigestible fats

Item no.: P8013200

The components of a microscope

The components of a microscope

Item no.: P1440001

Working with the microscope

Working with the microscope

Item no.: P1440101

Microscopic magnification

Microscopic magnification

Item no.: P1440201

Preparation of temporary microscopic slides

Preparation of temporary microscopic slides

Item no.: P1440301

Manual section technique

Manual section technique

Item no.: P1440401

Staining of living organisms

Staining of living organisms

Item no.: P1440501

Rapid staining technique

Rapid staining technique

Item no.: P1440601

Embedding in Canada balsam

Embedding in Canada balsam

Item no.: P1440801

The cell wall of the onion

The cell wall of the onion

Item no.: P1441001

The cellular membrane of animal cells

The cellular membrane of animal cells

Item no.: P1441101

Chloroplasts in moss leaves

Chloroplasts in moss leaves

Item no.: P1441201

Chromoplasts

Chromoplasts

Item no.: P1441301

Plasmolysis and deplasmolysis

Plasmolysis and deplasmolysis

Item no.: P1441601

Protoplasma streaming

Protoplasma streaming

Item no.: P1441701

Upper epidermis of a deciduous leaf

Upper epidermis of a deciduous leaf

Item no.: P1441801

Lower epidermis with guard cells

Lower epidermis with guard cells

Item no.: P1441901

Cross-section of a deciduous leaf

Cross-section of a deciduous leaf

Item no.: P1442001

Cross-section of a conifer (gymnosperm) leaf - adaption to arid conditions

Cross-section of a conifer (gymnosperm) leaf - adaption to arid conditions

Item no.: P1442101

The stem of a dicotyledonous plant - Identification of xylem and phloem tissue

The stem of a dicotyledonous plant - Identification of xylem and phloem tissue

Item no.: P1442201

The stem of a monocotyledonous plant

The stem of a monocotyledonous plant

Item no.: P1442301

Root with root-hair cells

Root with root-hair cells

Item no.: P1442401

Cross-section of a plant ovary

Cross-section of a plant ovary

Item no.: P1442501

Diatoms in moor water

Diatoms in moor water

Item no.: P1444701

Radiolaria

Radiolaria

Item no.: P1444801

Volvox

Volvox

Item no.: P1444601

Blood cells

Blood cells

Item no.: P1443101

Kidney

Kidney

Item no.: P1443201

Liver cells (hepatocytes)

Liver cells (hepatocytes)

Item no.: P1443301

Skeletal muscle

Skeletal muscle

Item no.: P1443001

The spore capsules of ferns

The spore capsules of ferns

Item no.: P1444201

Mould fungi growing on food

Mould fungi growing on food

Item no.: P1444301