Cornelsen Experimenta

Students kit Exploring the world of the small


This kit contains equipment and resources for scientific experiments covering multiple disciplines to learn the methods and procedures for observing very small objects.
After a range of initial observations of small objects through a magnifying glass, there are numerous experiments allowing students to learn step by step how to prepare tiny objects for investigation with a microscope and how to use a microscope itself.
 
Age 11-14
Materials for 1 work group or demonstration

Open experiment case "Paths into the world of the small" - all experiment materials are in compartments in the foam and therefore have their own fixed place.

Open experiment case "Paths into the world of the small" - all experiment materials are in compartments in the foam and therefore have their own fixed place.
Open experiment case "Paths into the world of the small" with handout - all experiment materials are in compartments in the foam and therefore have their own fixed place.
Student Set Ways into the World of the Small
DCF 1.0
Student Set Ways into the World of the Small
Product images of the experiment case Paths into the world of the small, insight into the red case and the test materials
A look into the experiment case Ways into the world of the small, the cup magnifying glass and the three-lens magnifying glass are in the foam.
Insight into the experiment case Paths into the world of the small, In the foam lies a package with round filters.
Insight into the manual for the experiment kit Paths into the World of Small Things; overview of individual parts with article description.
Insight into the handout for the experiment kit Paths into the World of the Small; the experiment "Investigating Insects" with illustration of the experiment.
The experimental materials for the experiment "Investigating Insects" lie next to each other on the table.
Insight into the handout for the experiment kit Paths into the World of the Small; the experiment "Investigating pond or stream water" with illustration of the experiment.
The experimental materials for the experiment "Investigating pond or stream water" lie next to each other on the table.

item number 22012

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experiments
  • 1 - Inspection of feathers

    experiment "Inspection of feathers "

    Various bird feathers are examined with the three-lens magnifier and the beaker magnifier. The special features are then recorded by the students.


  • 2 - Examination of a hair

    experiment "Examination of a hair"

    Different hairs, also from animals, are to be examined under the microscope. The students should observe the differences between the individual hairs and their structure.


  • 3 - Examination of a butterfly wing

    experiment "Examination of a butterfly wing"

    A butterfly wing is viewed under a microscope and the magnifications are traced on drawing paper.


  • 4 - Examination of waterweed or rhizomnium moss

    experiment "Examination of waterweed or rhizomnium moss"

    Students examine leaflets of a water pest or star moss plant under the microscope.


  • 5 - Examination of pollen

    experiment "Examination of pollen"

    Students examine pollen from different flowers and grasses.


  • 6 - Examination of the nutrient transport systems of a plant

    experiment "Examination of the nutrient transport systems of a plant"

    We will shortly provide you with a description of the experiment at this point.


  • 7 - Examination of storage cells of a potato tuber

    experiment "Examination of storage cells of a potato tuber"

    We will shortly provide you with a description of the experiment at this point.


  • 8 - Examination of cells from the lining of the mouth

    experiment "Examination of cells from the lining of the mouth"

    A drop of water is applied to the center of the slide using the dropper pipette. Using a disposable wooden spatula, some oral mucosa is scraped off the inside of a cheek. The students examine the cells of the oral mucosa under the microscope.


  • 9 - Observation of water fleas

    experiment "Observation of water fleas "

    A few live water fleas are picked up with the dropper pipette and placed in the well of the microscope slide. The students examine the water fleas with a microscope.


  • 10 - Examination of pond water or stream water

    experiment "Examination of pond water or stream water"

    The water samples are kept ready in the polyethylene bottles. The prepared specimen is observed extensively at the highest magnification of the microscope. The observed objects in the water sample are compared with the representations of the provided figure and it is determined which organisms they are.


  • 11 - Inspection of plant seeds

    experiment "Inspection of plant seeds "

    The students look at the plant seeds with the different lenses of the three-lens magnifier.


  • 12 - Inspection of fish scales

    experiment "Inspection of fish scales "

    Students examine different fish scales using the three-lens magnifier and the beaker magnifier and then record the differences.


  • 13 - Examination of feathers

    experiment "Examination of feathers"

    Various bird feathers are examined with the three-lens magnifier and the beaker magnifier. The special features are then recorded by the students.


  • 14 - Examination of onion epidermis

    experiment "Examination of onion epidermis"

    The students examine the different parts of an onion skin under the microscope.


  • 15 - Examination of vacuoles (cell sap cavities)

    experiment "Examination of vacuoles (cell sap cavities)"

    Some pulp is removed from a ripe privet berry using a lancet needle and examined under the microscope.


  • 16 - Examination of stinging hairs from a stinging nettle

    experiment "Examination of stinging hairs from a stinging nettle"

    Using the lancet needle or microtome, individual stinging hairs are removed from the stems or leaf veins of stinging nettle plants that are as fresh as possible and observed under the microscope at various magnification levels.


  • 17 - Examination of the skin on the underside of a plant leaf

    experiment "Examination of the skin on the underside of a plant leaf"

    Using the lancet needle, the outline of a piece of about 10 x 10 mm is scratched on the underside of a leaf. The open tweezers are used to penetrate one side of this piece slightly into the leaf and then the closed tweezers are used to peel off the lower layer. The layer is placed on the center of the slide with the bottom of the leaf facing up and a drop of water added.


  • 18 - Observation of freshwater polyps

    experiment "Observation of freshwater polyps"

    Students examine freshwater polyps with a microscope.


  • 19 - Observation of food ingestion by a freshwater polyp

    experiment "Observation of food ingestion by a freshwater polyp"

    A freshwater polyp is carefully picked up with the dropper pipette and placed in the lid of the small plastic box held upside down. Subsequently, a few live water fleas are picked up with the pipette and also placed in the lid.


  • 20 - Examination of insects

    experiment "Examination of insects"

    Various dead insects are collected and kept ready in the plastic box before examination.


  • 21 - Examination of living creatures in a hay infusion

    experiment "Examination of living creatures in a hay infusion"

    Students explore the creatures in the hay infusion.


scope of supply
  • 4 × Beaker, plastic, 100 ml (graduated)
  • 2 × Dropping pipette, plastic
  • 1 × Colouring agent, blue
  • 1 × Colouring agent, red for lab use only
  • 1 × Triple lens magnifier
  • 1 × Dissecting needle, 140 mmstraight with cap
  • 1 × Forceps, blunt 105 mm stainless
  • 1 × Scissors, dissecting, 115 mm
  • 1 × Knife
  • 1 × Vegetable oil, 30 ml
  • 1 × Paint brush
  • 3 × Watch glass, 80 mm
  • 1 × Filter paper, circular 70 mmØ, 100 pcs.
  • 2 × Flask, PE, narrow neck 50 ml
  • 1 × Cotton Balls
  • 1 × Cover glasses, 20 x 20 mmpack of 100 pcs.
  • 1 × Beaker w. magnifying lens
  • 1 × Dissecting needle, lancet shape
  • 1 × Microscopic slides,50 pcs
  • 1 × Microscopic slides with hollow, 10 pcs.
  • 1 × Spatula, wood, 100 pcs.
  • 1 × Microtome
  • 1 × °Iodine solution, 50 ml
  • 1 × Storage box, red 430x330x99 mm
  • 1 × Carton for storage box, 481x425x107
  • 1 × Foam insert, 430x320x40mm
  • 1 × Plastic box, clear, 60/40
  • 2 × Plastic box 157x54x19 mm
  • 1 × Foam insert for 22012 426x325x65 mm
  • 1 ×
Secondary school level

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