Elementary School Science Experiments (Page 160)

Lung Capacity and Age

Science Fair Project Idea

Scientific Method

Our metabolism changes as we get older, a sad fact of life that we cannot change. Old age affects our bodies in many ways. Changes in musculature, bone strength, energy, diet and breathing are some of the many ways we change as we age. You might notice that people often get out of breath when they are older and doing a physical activity. Why do some people feel out of breath, while others do not? Does this change correlate with age? Could this reflect a difference in lung capacity between… Read more

Make a Lemon Battery

Blog Post

Explore electricity with a homemade battery in this week's science activity spotlight. Ever wondered how a battery works to store and generate electricity? With a lemon, a penny, some plastic coated paper clips, and aluminum foil, you can make a fruit-powered battery and really see how the process works! What kinds of materials conduct electricity? What about a lemon makes it capable of producing electricity? The power from a lemon isn't going to be… Read more

'Make Mine Medium-Rare': Heat Conduction in Steak

Science Fair Project Idea

Scientific Method

How do you like your steak? The internal temperatures for beefsteaks at various levels of "doneness" are as follows: medium-rare, 145°F; medium, 155°F; medium-well, 165°F; and well-done, 170°F. What factors determine how long you have to cook a steak to reach the desired temperature? The temperature of the steak before you start to cook it will clearly be important. The temperature the steak is cooked at will also be a factor. And of course, the thickness of the steak will… Read more

Make Your Own Dance Game with AI

Science Fair Project Idea

Engineering Design Process

Dance, especially K-pop dance, has become a significant part of pop culture. Even without dance classes, many people have been learning dance through copying choreography from dance videos and dance tutorials. K-pop routines are fun and expressive, but they can also be tricky. Moves are fast, precise, and often depend on small details, such as hand placement, angles, and timing. How do you know if you’re really matching the choreography? One way developers have gamified the dance learning… Read more

Make Your Own Electric Guitar Pickup

Science Fair Project Idea

Scientific Method

If you like playing electric guitar, this could be a cool project for you. Have you ever wondered how an electric guitar works? In this project you'll wind one or more of your own electric guitar pickups and test them out in an inexpensive electric guitar. How will the sound change with the number of turns you use in the coil? Or with the strength of the magnets you use? Read more

Make Your Own Fizzy Lemonade

STEM Activity

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Did you know that the soda company Coca-Cola makes over 3,500 different types of soda to distribute around the world? If you tried a different one every day, it would take you over 9 years to try them all! Do you think you would like octopus-flavored soda? What about cheese-flavored soda? If you travel far enough around the world, you’ll find those and many other flavors that may seem exotic in the U.S. Although the flavors might differ, one thing that all sodas have in common is the… Read more

Make Your Own Kazoo

Blog Post

In this family STEM activity, perfect timed for summer parades, kids make kazoos and experiment to find out what gives a kazoo its sound. Kazoo Science With just a few household and craft materials, kids can make their own kazoos and explore the physics behind this classic noisemaker. A kazoo resembles a flute or clarinet, but your kids may be surprised to learn that a kazoo is more closely related to a drum! Following the steps of this week's family… Read more

Make Your Own Spring Scale

STEM Activity

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Have you ever played with a Slinky, used a pinball machine, written with a click pen, or ridden in a car? If so, then you have used a spring. Springs are in machines all around us and have many useful purposes. In this activity you will learn how a spring can be used to make a scale to weigh objects. Read more

Making Everyday Objects Out of Mushrooms: Environmentally Friendly Design

STEM Activity

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Maybe you have grown vegetables or flowers, but have you ever grown the flowerpot? Yes, you read that right! In this activity, you will use mushroom roots to grow a biodegradable material that can be molded into a product of your liking, like a flowerpot! Growing a set of bowls, a lampshade, or a pot is easier than you might think. Once you try it out, you just might feel inspired to replace some of your plastic objects with ecological counterparts that you created from mushroom roots! Read more

Marinade Science: Weekly Science Activity

Blog Post

In this week's spotlight: a food sciences family science experiment that investigates the way different ingredients make a difference in how well a marinade sticks to food. In this science activity, students simulate the process of soaking a food in a marinade by doing a controlled study with tofu, food dye, and four different ingredients that might be found in a marinade recipe. Setting up a set of standards for what the tofu looks like when soaked in different levels of dye concentration… Read more

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