This investigation is developed for 2nd and 3rd graders. This investigation looks at the effects of increasing the exercise on your heart rate. Students will follow the scientific method to answer the question: Does increasing the exercise affect my heart rate?
This 15 page digital download includes
*7 Page Investigation Journal
By the end of the investigation students will be able to:
*take their pulse and calculate the beats per minute.
*write a hypothesis and tell if they supported it.
*create a bar graph of their data.
*summarize their data, come up with possible errors, and answer questions about the investigation.
*identify the independent variable and dependent variable in the experiment
* be able to explain that when the exercise is increased the heart rate increases.
*explain the role of the heart in carrying oxygen to the other parts of the body.
stopwatch or second hand
Journal with answer key
Thank you for taking the time to look at my investigation journal. This journal is in collaboration with 2 other journals. Please check out my heart rate journals for k-1st grade and 4th-5th grade. These journals are perfect for home schooling because you can teach the same investigation to different levels at the same time.
The 3 versions of the heart rate journal are available for a bundle:
Yours in Science,
Hands on Science Teacher
This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivs 3.0 Unported License