Earthworms Observation Set 8-Piece

• With this sturdy earthworm observation kit, children can watch the hardworking earthworms gradually mix the soil and decompose leaves and other organic matter. Thanks to the colourful sand layers, the mixing of the soil is clearly visible.
• Experiment ideas are e.g. B. determining the length and weight of the earthworm, observing and describing locomotion (How does an earthworm crawl? ), examining the earthworm bristles, drawing an earthworm as well as descriptions of its behavior in the soil and water.
• The soil in the observation container should be moist, but not saturated with water and not acidic. With the help of indicator paper (not included) you can control, adjust and log the pH value.
• Examinations e.g. B. to the sensory organs of the earthworm, from questioning to formulating hypotheses, planning and conducting experiments to validation, evaluation, and documentation, there are a variety of ways to use in secondary education classes. The earthworm observation set is an essential aid and replaces the system of a terrarium.
• Contents: 1 container made of artificial glass, 2 plastic feet, 4 packets of granules, 1 cover for darkening, detailed instructions (English language not guaranteed), 3 worksheets
• About us: TimeTEX is a family-run company in Germany. Our company motto is "Do not talk, but act", which is why we are strongly committed to the environment and integration. This care for people and the environment is also reflected in the quality of our products.

Product Description The earthworm is adapted to the habitat soil. Nature observations in kindergarten and primary school. With this sturdy earthworm observation set, children can watch the hardworking earthworms gradually mix the soil and decompose leaves and other organic matter. Thanks to the colourful sand layers, the mixing of the soil is clearly visible. Thanks to the air holes attached at the top, the earthworms are supplied with sufficient oxygen. The darkening cuff gives the worms good living conditions, so they can do their work undisturbed as long as they are not observed. Especially city children, the earthworm is often completely unknown. This is why the earthworm is suitable as a display object especially for kindergartens and primary schools (expertise). Experiment ideas are e.g. B. determining the length and weight of the earthworm, observing and describing locomotion (How does an earthworm crawl? ), examining the earthworm bristles, drawing an earthworm as well as descriptions of its behavior in the soil and water. The earthworm in class: biology In biology lessons, a project to study the earthworm is ideal. Its special features, habits, structure, metabolism and reproduction as well as its importance for soil development are among the essential topics that can form a focus on content. Examinations e.g. B. to the sensory organs of the earthworm, from questioning to formulating hypotheses, planning and conducting experiments to validation, evaluation, and documentation, there are a variety of ways to use in secondary education classes. The earthworm observation set is an essential aid and replaces the system of a terrarium. The earthworm in heat, cold and drought. Optimal living conditions find earthworms at temperatures between 10 °C and 15 °C and compost worms between 20 °C and 25 °C. If it is colder or warmer, earthworms are less or not active at all. The earthworm observation set should therefore be placed in the appropriate temperature range. With the Maxima Minima thermometer you can control and log the temperature. In winter, the earthworms go into a winter rigidity similar to insects. Since it has not yet been researched how long earthworms can survive low or high temperatures, this would be an interesting project for participation in the competition "Jugend forscht". Especially with regard to the weather extremes occurring due to climate change, there are many new and exciting questions. Under suitable conditions, earthworms can therefore also be observed in winter. Watch as the earthworms dig up the soil and decompose leaves of colourful sand allows you to track the soil mixture well with instructions and worksheets. Earthworms not included in the set. The soil in the observation container should be moist, but not saturated with water and not acidic. With the help of indicator paper (not included) you can control, adjust and log the pH value. Contents: 1 container made of artificial glass, 2 plastic feet, 4 packets of granules, 1 cover for darkening, detailed instructions (English language not guaranteed), 3 worksheets. The teaching material contains many valuable suggestions for environmentally and climate-conscious action and education for sustainable development. Such suggestions are identified with the "We protect our earth symbol" and can be found quickly. Container dimensions: approx. 29 x 19 x 4 cm Directions Instructions (English not guaranteed) Safety Warning Please note: Not suitable for children under 36 months. Small parts. Choking hazard!