Biology Online Experiments
Featured Experiment
Take My Breath Away
Measuring breathing rate before and after mild exercise, and analyzing differences.
More Experiments
Photosynthesis and Oxygen
Measuring oxygen to assess how photosynthesis is affected by changes in the amount of light available to plants.
Heart Beat Health
Investigate the difference in students' heart rates before and after mild exercise.
Yielding Yeast
Investigate the activation of baker's yeast through observation and monitor the turbidity of the suspension.
Yielding Yeast, Part 2
Investigate the activation of baker's yeast and monitor the temperature and mass of the suspension.
Skin Temp Response Time
Measure change in skin temperature before and after applying a cold pack and heat pack to students' arms.
Exploring Temperature
Eight investigations using the Temperature Sensor.
Every Breath I Take
Measuring the amount of CO2 in students' breath as they exhale.
Let There Be Light
Investigating the level of light intensity over a 24-hour period.
Organisms, pH, and Buffers
Investigating the ability of various solutions to resist pH changes in order to determine how living creatures survive.
Transpiration in a Plant Leaf
Studying the movement of water within a plant and measuring change in pressure as the plant transpires.
Effect of Respiration on Dissolved Oxygen Concentrations
Measuring the concentration of dissolved oxygen
Salinity in Soil
Measuring the conductivity of water samples to determine if water "runoff" from soil is more or less likely to conduct electricity.
Muscle Fatigue
Observing how temperature and fatigue impact muscle function and performance.
Terrarium Humidity
Measuring changes in air temperature, dew point and relative humidity in a plant terrarium.










