First Grade, Human Biology & Health Science Experiments (136 results)

Sensing with Your Feet!

STEM Activity

3 reviews

How many objects do you think you are touching with your hands every day? A lot! Every time you touch something, your hands are able to feel how smooth, cold, warm, or rough the object is. In fact, your hands and fingers are so good at sensing details of shapes and surface textures that they are able to identify an object just by touching and without seeing it! You probably know that already because you have tried that before. Here is the challenge though: Do you think your feet can do the… Read more

Should We Walk Like Penguins? How Age Affects Your Stride

Science Fair Project Idea

Scientific Method

Watch out for that ice! When winter weather makes sidewalks icy, many people slip and fall. One tip doctors give is to walk like a penguin. That means pointing your feet slightly outward, keeping your center of gravity over your feet, and taking short, careful steps. Research has shown that these changes in stride and posture help people stay stable and avoid falls. These tips are especially helpful for older adults, who are more at risk of falling due to a decline in their balance as they… Read more

Testing Gait Symmetry with Uneven Loads

Science Fair Project Idea

Scientific Method

The way humans walk—our gait—is usually fairly symmetrical. Each step we take with the left foot is similar in length and timing to the step with the right foot. This symmetry makes walking efficient and reduces stress on the muscles and joints. But what happens when the body is challenged by an uneven load, such as carrying groceries in one hand or holding a backpack on one shoulder? Biomechanics research shows that unequal weight distribution can disrupt gait symmetry, forcing one… Read more

Two Eyes, One In-depth Picture

STEM Activity

Is catching, juggling or heading a ball hard for you? If you ever tried threading a needle, did it end in frustration? Have you ever thought of blaming your eyes for this hardship? Two eyes that work together help you estimate how far a ball is, or where the thread is with respect to the needle. This “working together” of the eyes actually happens in the brain. The brain receives two images (one for each eye), processes them together with the other information received and… Read more

Under Pressure: Does a Child's Blood Pressure Depend on His or Her Age?

Science Fair Project Idea

Scientific Method

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

Tracking SARS-CoV-2 Spread from Wastewater

Science Fair Project Idea

Scientific Method

Have you ever wanted to know where hot spots of infection are or see how viruses spread? Are you interested in seeing how this changes over time? Check out our new science project that uses data visualization tools and tested wastewater data to track the virus that causes COVID-19 over time. Read more

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