14/04/2021
In this activity the blood pressure is derived from measurements of the blood pressure sensor. In the analysis the oscillometric method is used.
Biology resources
10/09/2018
In this activity students conduct a video measurement of the growth of the root and stem of a plant after germination. The analyse the growth
Light absorbance of chlorophyll
10/09/2018
In this activity students extract chlorophyll from plant leaves. The absorbance spectrum of the solution is measured and compared to the absorbance spectra of other
10/09/2018
In this activity students will analyse an image of a cell using the video measurement tool. They will explore the size of different parts of
10/09/2018
In this activity students explore an animation of a model of a correlated random walk. Student explore a random walk and a correlated random walk
10/09/2018
In this activity students explore the effect of soda on teeth. They first will measure the pH values of different sodas. Afterwards they will place
10/09/2018
In this activity students will determine the amount of energy in a peanut. Students will burn the peanut and heat water using the energy that
10/09/2018
In this activity students manually measure the length of classmates and enter the data in the datatable. They research whether length is correlated with age
10/09/2018
In this activity students will breath in a closed system. Oxygen and carbon dioxide concentrations are measured to track the gasses that are used and
10/09/2018
In this activity students will record the sound of the heart using a stethoscope. Then they will analyse the sound and try to explane how
Plantigrade digitigrade unguligrade
02/05/2018
Animals move in different ways. In this activity, students investigate the movements of plantigrades, digitigrades and unguligrades by analysing their movements using video measurements.
02/05/2018
In this activity students prove the presence of carbon dioxide with calcium hydroxide and calculate the amount of glucose that was used from the reduction
02/05/2018
In this activity the Hardy-Weinberg principle is modelled together with selection and drift.
02/05/2018
In this activity the blood pressure is derived from measurements of the blood pressure sensor. In the analysis the oscillometric method is used.
02/05/2018
In this activity a model of the blood glucose concentration is explored. The effect of several hormones are simulated.
02/05/2018
Students will build a setup to measure reaction time. When the lamp turns on students press a switch. Afterwards the average reaction time is calculated.
19/03/2017
In this activity, students examine with simple experiment, the effects of hypothermia and the relation to the surface-volume ratio. As a result, this experiment can
19/03/2017
In this activity the respiratory response is studied. Students need to know the basics of the respiratory response and the respiration physiology to understand the
19/03/2017
In this activity students investigate how much water evaporates from different kinds of plants, coming from dry or wet environments.
19/03/2017
In this activity students stimulate the diving reflex by measuring the heart rate before, during, and after immersing their face in water. After the diving
19/03/2017
In this activity students investigate with a simple experiments the function of fur. As an example, cotton wool is used (dry and greasy wool).
19/03/2017
In this activity students use a model to simulate alcohol absorption and degradation. They learn to understand the model, adjust the model and improve the
05/09/2016
In this activity you will investigate the electrical activity of your heart using an ECG sensor. Also the effect of, for example exercising or a
05/09/2016
In this activity students will study their breathing using a thermocouple sensor. They can compare their breathing with that of someone else. And examine the
Respiration of plant seeds (demo)
05/09/2016
In this activity students investigate whether plants also respire. Most people know that animals respire but what about plants? By making use of germinating seeds,
Photosynthesis (light intensity) (demo)
05/09/2016
In this activity students examine the photosynthesis. Using an O2 sensor to measure the rate of photosynthesis at different light intensity. How much disadvantage has
05/09/2016
In this activity students study life in a pond. From behind the computer they use an existing model to investigate the impact of plants, animals
Effect of temperature on the fermentation
02/09/2016
In this activity students examine the affect of temperature on the fermentation rate of yeast cells. Using a gas pressure sensor the produced CO2 is
02/09/2016
In this activity students make their own yoghurt. Yoghurt is a food product which is familiar to almost all students. The process of making yoghurt
02/09/2016
In this activity students study the (negative) effect of various alcohols on a cell membrane.
Photosynthesis (light intensity)
02/09/2016
In this activity students examine the photosynthesis. Using an O2 sensor to measure the rate of photosynthesis at different light intensity. How much disadvantage has
02/09/2016
In this activity students study life in a pond. From behind the computer they use an existing model to investigate the impact of plants, animals
02/09/2016
With a datalogger students are going to measure a few variabels to measure the air quality in a bus, metro or train. Does the CO2
02/09/2016
Our defense system is not an easy topic to understand. This model helps students to understand the topic more easily. Students can study the impact
02/09/2016
In this activity students measure the CO2 produced by yeast cells with a CO2 sensor. The rate of alcoholic fermentation of different types of sugar
02/09/2016
In this activity students will study the respiration of maggots. Using a CO2 sensor (and optionally an O2 sensor) they measure the released CO2 in
02/09/2016
In this activity students examine the photosynthesis. Using an O2 sensor to measure the rate of photosynthesis at different colors of light. What color ensures
Photosynthesis for middle school
02/09/2016
In this activity students study the basic principles of photosynthesis using spinach leafs.
02/09/2016
In this activity photosynthesis and respiration is measured over two days. Two day-night cycles are covered and effects on the CO2 and O2 concentrations can
02/09/2016
In this activity students investigate whether plants also respire. Most people know that animals respire but what about plants? By making use of germinating seeds,