Kindergarten Science Experiments (Page 94)

Do-Re-Mi with Straws

Science Fair Project Idea

Scientific Method

Do you love to make music, but do not have access to all the instruments you would love to play? Check out this fun science fair project about the physics of musical sound production. You will make musical instruments with drinking straws, one for each note on a one-octave major scale. Can you figure out the right lengths for a series of straw "oboes" in order to play a musical scale? Read more

Drawing Circles Around Ants

Science Fair Project Idea

Scientific Method

Do ants sometimes ruin your picnic? There are some chemical ant repellents you can spray to keep them away, but who wants to spray poison all over their food? In this science project you can investigate some less toxic solutions that may be around your home so that your next picnic will not become an ant buffet! Read more

Drive a Race Car with Machine Learning

Science Fair Project Idea

Engineering Design Process

How do you design a program that can pilot a self-driving race car? By using machine learning. In this project, you will train your own machine learning model for an autonomous vehicle, the AWS (Amazon Web Services) DeepRacer. You can run your car's machine learning model on a simulated racetrack (Figure 1), or you can purchase a 1/18 scale model vehicle that can race on a physical track (Figure 2 - note: new cars are no longer for sale, but you may be able to purchase a used one on a site like… Read more

Duplicate Your Drawings with a Machine

STEM Activity

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Have you ever wished you could copy a drawing but make it larger or smaller? If you've tried to create a larger or smaller copy of your work, you've probably realized that it is very hard to get the details right. A machine called a pantograph, however, could help. It makes copies that can be scaled up or down or made the same size. In this activity you will make your own pantograph and then duplicate your drawings. Can you figure out how it enlarges, shrinks or turns drawings upside down? Read more

Engineer a Cell Phone Stand

Science Fair Project Idea

Engineering Design Process

Look around you. What types of objects do you see in the room? Furniture, lights, a computer, a fan, pencils, books, etc.? Where did they come from? Odds are you did not build them yourself. You or your parents probably bought them at a store. Before that, they were built in a factory somewhere. And even before that, they were probably designed by engineers. You might think of engineers when you think of complex machines like rockets or huge structures like bridges, but engineers also design… Read more

Evolution of Friendship Groups Over Time

Science Fair Project Idea

Scientific Method

This project asks the question "How do friendship groups change over time?" The results may support inferences about how "people skills" develop. What types of changes would you expect to see? Do you expect friendship groups to grow larger over time? Do you expect that individuals will belong to more, less or about the same number of friendship groups as they get older? Do you think there will be more or less exclusivity among groups (and how would you measure such a concept)? Do you… Read more

Explore Matchstick Rockets

STEM Activity

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If you have wondered how rockets are propelled forward or if you enjoy the excitement of launching a rocket, this is an activity for you! You will learn how to make tiny rockets from aluminum foil and matchsticks, and how to ignite them safely. Soon, you will be launching one rocket after the other! Your challenge will be to find the most reliable launching mechanism. Read more

Exploring Fractals

Science Fair Project Idea

Scientific Method

Although fractal images can be intriguingly complex, fractals are more than just pretty pictures. In this project, you'll explore the mathematical properties of the famous Mandelbrot (illustration on the Background tab) and Julia sets. You'll learn about how these images are generated, and about the relationship between the Mandelbrot set and the Julia sets. Read more

Family Tree Science: Weekly Science Project Idea/Home Science Activity Spotlight

Blog Post

Do your hands have family traits? Science Buddies Hands-On Projects: Science and Engineering for school and for home In this week's spotlight: a pair of projects in honor of Father's Day and the science of family traits. In these hands-on genetics projects and activities, students investigate a family pedigree to see if they can determine whether traits are dominant or recessive. Do you and some (or all) of your family members share certain physical traits? Is a widow's… Read more

Fear Factor: Using Pulse Rate to Measure Emotion

Science Fair Project Idea

Scientific Method

Oh, were you ever scared! Your heart pounded, your breath rate shot up, your palms got cold and clammy. Fear does that to us. Here's a science project based on roller coaster rides to see if heart rate is an accurate measurement of fear. Are you brave enough to take on this frightfully fun project? Read more

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