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Project title Red bull and DaphniaFeatured science projectScience project video
Difficulty Level Middle school
Project page  Click here to view this science project

This experiment was performed to study the effect an energy drink has on the heartbeat rates of Daphnia. The experiment was done by exposing Daphnia to different concentrations of the Red Bull drink, mixed with water, and counting their heartbeats per minute. 

Instructions preview
1. For this experiment, the independent variable is the concentration of Red Bull solution used. The dependent variable is the number of heartbeats per minute of the daphnia. This is determined by viewing the Daphnia under a microscope and counting the number of heartbeats. The constants (control variables) are the room temperature, the amount of water used and the concentration of the solutions. 2. The first beaker is labeled "water" and filled with 100ml water. The remaining three beakers are labeled and prepared as explained in the table below: LABEL CONTENTS OF THE BEAKER · Water 100ml water · .....
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