Heart & Circulatory System Anatomy
Science Fair Projects
Ideas and Sample Projects by Grade Level

Home Experiments Medical Jokes Warning!
Elementary School - Grades 4-6
P=Project   E=Experiment
Do Loud Noises Affect Heart Rate? [E]
Determine if a physically active video game can increase your heart rate enough to be considered a form of exercise. [E]
Track your heart rate throughout the day to see which activities cause it to beat faster. [E]
How does caffeine affect the body? [P]
The Effect of Caffeine on Human Blood Pressure [P] [P]
Does Caffeine Affect the Heart Rate of Daphnia (People)? [P]
Could I improve the health of my heart by doing more exercise? [P]
Construct a simple apparatus to visually detect your pulse - what are the best places on your body to meassure your pulse? [E] [E]
The Human Heart [P]
An Investigation Into How Exercise Affects the Heart Rate [E]
The Effect of Exercise on Blood Pressure [P]
Heart & Blood Vessels Disease Science Fair Projects & Experiments
Blood & Blood Disorders Science Fair Projects & Experiments
Middle School - Grades 7-9
P=Project   E=Experiment
Blood Type and Transfusion - the haemolytic transfusion reaction [P] [P]
The Effects of Various Coffee Bean Roasts on the Heart Rate and Longevity of Daphnia magna [E]
Does a Child's Blood Pressure Depend on His or Her Age? [E]
The Factors That Affect Blood Flow Rate [E]
Is Speed Stacking an effective way to raise heart rate? [E]
Effects of sugar and caffeine on heart rate, reaction time, and concentration [P] [P]
Determine whether athletes have faster heart rate recovery times than non-athletes. [E]
Will Electrocardiogram (ECG) electrical signals vary depending on electrode placement on the body? [E]
Effects of Body Position and Temperature on Blood Pressure and Heart Rate [E]
What Affects the Pulse Rate? [E] [P] [P] [P] [P]
Resting, Exercising and Blood Pressure [P] [P] [P] [E]
The Effect of Athlete's Heart Syndrome on Pulse Pressure [E] [E]
The Effect of Age and Gender on Human Blood Pressure [E] [P]
Factors affecting Blood Pressure [E]
Heart & Blood Vessels Disease Science Fair Projects & Experiments
Blood & Blood Disorders Science Fair Projects & Experiments
High School - Grades 10-12
P=Project   E=Experiment
Figure out whether age or BMI played a greater role in a child's heart rate's response to excercise. [E]
Correlation of Thermographic Assessment of Vascular Reactions with BMI, Heart Rate, and Stress [E]
Thermographic Assessment of Cold Stimulation on Autonomic Vascular Reactions [E]
Explore the elasticity of blood vessels. [E]
Cardiovascular Inquiry Using Lumbriculus variegatus, Mudworms [E]
The Effects of Various Exercises on the Cardiovascular System [E]
Heart & Blood Vessels Disease Science Fair Projects & Experiments
Blood & Blood Disorders Science Fair Projects & Experiments
Useful Links
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Safety Resources [R] [R]
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The Scientific Method - How to Experiment
The Display Board
Topics, Ideas, Sample Projects

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Last updated: January 2017
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