How does exercise affect your heart rate? Students will learn how to take their pulse to compare their heart rate while doing different activities.
Each grade level version expands from the other. This investigation is a great introduction to the scientific method. Students will also learn about independent and dependent variable. Older students will create a graph and write a conclusion.
The best part, all you need is a second hand, chair, and yourself. Great for classrooms, science fairs, and teaching a multiple grade levels at once.