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Others Like “A Day in the Life of Your Heart”

Science Fair Project Idea
thumbnail Have you ever played a video game that made you break a sweat? Or pant a little bit? The majority of video games are sedentary, meaning done in one position, but there is an increasing trend toward video games where the players are physically active. Do you think these video games can be considered exercise? This science fair project will help you find out! Read more
Games_p013
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Time Required Average (6-10 days)
Prerequisites None
Material Availability Readily available
Cost Average ($50 - $100)
Safety Any volunteer who feels faint or has chest pains while playing the exergames should stop immediately and consult a doctor.
Science Fair Project Idea
thumbnail Your heart starts beating before you are born and keeps right on going through your whole life. Over an average lifetime, the human heart beats more than 2.5 billion times. Keeping your heart healthy means eating right, not smoking, and getting regular exercise. Which of your favorite physical activities give your heart the best workout and help keep it fit? Find out with this science project! Read more
Sports_p006
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Time Required Short (2-5 days)
Prerequisites Must be able to exercise vigorously
Material Availability Readily available
Cost Very Low (under $20)
Safety No issues
Science Fair Project Idea
thumbnail Over an average lifetime, the human heart beats more than 2.5 billion times, supplying blood to the entire body. When a person exercises, the heart has to work harder than usual. Have you ever wondered how quickly your heart beats when you exercise, or how long it takes to recover back to its normal rate after you are done exercising? Is the heart rate recovery time faster for people who get regular exercise compared to people who do not? Try out this science project to find out! Read more
HumBio_p008
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Time Required Long (2-4 weeks)
Prerequisites Informed consent must be obtained from every participant in this experiment (parental consent must be granted for minors). In addition, the experimental design (including consent forms) must be approved by the fair's scientific review committee ([# ProjectGuide Name="Advanced.ScientificReviewCommitteeSRC" Value="HtmlAnchor" HtmlText="SRC" #]).
Material Availability Readily available
Cost Very Low (under $20)
Safety No issues
Science Fair Project Idea
thumbnail People often call cardiovascular disease a "silent killer." This disease sneaks up and causes damage, but patients don't realize it—until serious symptoms start. That is why physicians recommend keeping your cardiovascular system healthy. A healthy cardiovascular system gives us the energy and the stamina to do all of the things that we want to accomplish, such as do our best in school and perform well in sports. But what makes a cardiovascular system unhealthy, and what are the… Read more
HumBio_p032
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Time Required Short (2-5 days)
Prerequisites None
Material Availability You will need access to a hand drill with bits of different sizes. See the Materials and Equipment list for details.
Cost Low ($20 - $50)
Safety Use caution when using a drill. Be sure to wear safety goggles. Adult supervision is recommended.
Science Fair Project Idea
thumbnail Doctors use many complicated tools to check the health of patients. But you can make some medical tools at home—like a stethoscope! A doctor uses a stethoscope to listen to a patient's heart. In this science project, you will make three of your own homemade stethoscopes and figure out which stethoscope design works best and why. Read more
HumBio_p033
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Time Required Short (2-5 days)
Prerequisites None
Material Availability Readily available
Cost Low ($20 - $50)
Safety Adult assistance is needed for cutting tubing and hoses with the scissors.
Science Fair Project Idea
thumbnail Every time you go to the doctor's office, the nurse measures your blood pressure. But why does he or she do this? What does your blood pressure tell your doctor about your health? And what exactly is blood pressure? In this life science project, you will learn about blood pressure and what causes it. You will even learn how to take blood pressure readings. Once you learn this skill, you will test a population of children and determine if blood pressure depends upon a child's age. Read more
HumBio_p030
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Time Required Long (2-4 weeks)
Prerequisites You will need to have a doctor, nurse, or other trained medical personnel teach you how to take blood pressure readings using a manual sphygmomanometer.
Material Availability You will need to purchase a manual sphygmomanometer with a child's cuff and a stethoscope. See the Materials and Equipment list for details.
Cost Average ($50 - $100)
Safety Use the blood pressure cuff as directed. Adult supervision is recommended.
Science Fair Project Idea
thumbnail Everybody knows that your body needs oxygen to keep going, and that you breathe out carbon dioxide as waste. What happens when you exercise? You have probably noticed that you breathe faster, and your heart beats faster. What triggers your body to respond in this way? How does it "rev up" to keep your muscles going? Here is a project that gives you a peek into the fascinating science of exercise physiology. Read more
Zoo_p013
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Time Required Average (6-10 days)
Prerequisites Interest in exercise physiology; the deeper your knowledge of acid-base reactions, the further you can take this project
Material Availability Readily available
Cost Low ($20 - $50)
Safety Adult assistance recommended for construction and setup of respirometer and data collection
Science Fair Project Idea
thumbnail When you're chasing after your dog, do you ever stop and say, "Wait, I have to catch my breath!"? Do you think that there are times when your dog feels like that, too? Does your dog's respiration rate change when you two are playing active games together? Try this playful science project to find out! Read more
MamBio_p019
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Time Required Short (2-5 days)
Prerequisites None
Material Availability To do this project you'll need to have access to a dog that you can play with.
Cost Very Low (under $20)
Safety Be sure to work with an animal you are familiar with. If you work with an animal that doesn't live with you for this science project, make sure the owner is present the whole time so that the animal feels comfortable.
Science Fair Project Idea
Oh, were you ever scared! Your heart pounded, your breath rate shot up, your palms got cold and clammy. Fear does that to us. Here's a science project based on roller coaster rides to see if heart rate is an accurate measurement of fear. Are you brave enough to take on this frightfully fun project? Read more
HumBeh_p024
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Time Required Very Short (≤ 1 day)
Prerequisites None
Material Availability Readily Available
Cost Very Low (under $20)
Safety No issues
Science Fair Project Idea
thumbnail In this project, water fleas (Daphnia magna), a semi-transparent freshwater crustacean, are used to study the effects of caffeine on heart rate. Don't worry about having to learn how to take a crustacean's pulse: you can actually see the heart beating under a microscope. Many variations of this experiment are possible. Read more
Zoo_p048
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Time Required Average (6-10 days)
Prerequisites You will need a microscope for observing Daphnia closely enough to monitor heart rate. Either a dissecting microscope or a compound microscope with low-power objective and a depression slide could be used.
Material Availability Specialty items
Cost Average ($50 - $100)
Safety No issues
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