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.