Human Biology & Health STEM Activities for Kids (45 results)

Can you recall how a piece of warm apple pie or a cup of hot chocolate milk tastes when you let it cool? Maybe you even prefer to have these treats at room temperature. Why is this? Can flavor change even when you are not adding ingredients, cook or bake it? Try this activity and discover how temperature influences flavor! Read more

Did you know that approximately 2 million people in the United States have no sense of smell? Lack of smell is a disorder known as anosmia, and can be caused by damage to the nerves that transmit information from your nose to your brain. Our sense of smell serves an important purpose, we use it to distinguish between edible and inedible items in our lives, including fresh or rotten foods, and even particular toxins that have strong, unpleasant smells. In this activity you will test the scent… Read more

Have you ever noticed how the moon appears bigger at the horizon, just as it is rising over the treetops, than it does later in the evening when it is overhead?  Of course, the size of the moon does not change, but our perception of its size changes based on where it is in the sky.  In this activity, you’ll investigate Emmert’s law, which helps explain the full moon illusion, and estimate the size of the perceived increase in size of the moon at the horizon.  Then you… Read more

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

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