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Application of the Scientific Method

By Janice VanCleave

stethoscope-krista-and-ty

The photo shown represents the scientific method in action.

Problem: How does a dog’s heart sound?

Hypothesis: Now I doubt that this was verbalized or even considered, but if asked, they might have said it sounded like their own heart.

Experiment: Now here is the really fun part. First they have to retrieve the reluctant patient who backed through Ty’s legs.

Results: FUN!!!  FUN!!! FUN!!!

Conclusion: SCIENCE IS SO MUCH FUN!!!!

Kids can make a homemade stethoscope that works well enough to compare their heart beat with a puppy’s. For instructions, see   STETHOSCOPE.

For more information about the history of a stethoscope as well details for making a stethoscope model, see

Great Science Project Ideas from Real Kids

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Filed Under: Science Projects, scientific method Tagged With: stethoscope

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The spoon hanging from the string vibrates when struck and these vibrations are transmitted through the string and the sound is amplified by the plastic cups. ABOUT ME: Hi, I am Janice VanCleave, author of 50 best-selling science experiment books for children ages 4 through high school. I taught science for 27 years. MORE.....

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