All STEM Activities

Model Your Blood Flow

Active Time
30-45 minutes
Total Project Time
30-45 minutes
Key Concepts
Health, heart disease

Introduction

Why is it important to eat healthy and exercise? If you don't, you might end up with a cardiovascular disease. These diseases are conditions that affect your heart and blood vessels. The job of your cardiovascular system is to transport blood through your heart, veins, and arteries, to provide oxygen and nutrients to your body. If this blood flow doesn't work properly anymore, it can have serious consequences. In this activity, you will find out what happens to the blood flow of people that have a condition called coronary heart disease.

Credits

Svenja Lohner, PhD, Science Buddies
This activity is not appropriate for use as a science fair project. Good science fair projects have a stronger focus on controlling variables, taking accurate measurements, and analyzing data. To find a science fair project that is just right for you, browse our library of over 1,200 Science Fair Project Ideas or use the Topic Selection Wizard to get a personalized project recommendation.

Materials

  • Plastic cups, 16 oz. (2)
  • Two straws with different diameters (a 2-inch piece of each)
  • Modeling clay
  • Stopwatch
  • Tray (big enough to fit 500 mL of water)
  • Water
  • Red food coloring
  • Measuring cup
  • Scissors
  • Permanent marker
  • Paper
    Materials needed to do this modeling blood flow activity.

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Active Time
30-45 minutes
Total Project Time
30-45 minutes
Key Concepts
Health, heart disease