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STEM Activity
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How does a cooler keep things cold? Which material makes the best insulation? Try this project to find out how long you can keep an ice cube from melting once it's out of the freezer! Read more
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STEM Activity
Act like a geologist in this fun activity as you drill "core samples" from candy bars using a straw. Can you identify the type of candy bar just from a sample? Try this activity to find out! Read more
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STEM Activity
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Why buy it when you can build it? That is the attitude you will need for this project. You have probably seen cell phone holders or stands around the house or in a car. They might seem like a very simple object, but they are a great way to learn about the engineering design process. In this project, you will design and build your own working phone stand. Read more
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14 reviews
Can you imagine how your life would change if batteries did not exist? If it were not for this handy storage of electrical energy, the radio in a car would not function, nor would the lights. A pacemaker or hearing device would need to be plugged into a wall outlet in order to function, and do not forget all portable electronic devices like phones, digital music players, or tablets, which are all powered by batteries. With all the frustration you might have endured coping with dead batteries,… Read more
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Are you ready to move beyond paper circuits and squishy circuits? This is a great intermediate circuit project where you will build your own working night-light. And of course, you will have some fun decorating it! Read more
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STEM Activity
Do you keep hearing phrases like "social distancing" and "flatten the curve" in the news? What do they mean? Why are they important? In this activity, you will use the kid-friendly programming language Scratch to write a simulation that uses bouncing dots to represent healthy and sick people. The simulation will show how we can take measures to slow the spread of a transmissible disease like COVID-19. Read more
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STEM Activity
Have you ever wondered why some foods or drinks taste sour, whereas others do not? You might know that your tongue is picking up all kinds of flavors, including salty, sweet, bitter, and sour. But what makes something taste sour? The sour taste is actually influenced by the pH and acids present in foods. In this activity, you will find out how sour different foods are by testing foods and drinks for the presence of acids with baking soda. What do you think is the sourest food you can find in… Read more
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3 reviews
Have you ever thought about what type of ground buildings are constructed on? Rock, gravel, sand, soil and many others—there are lots of different types of "ground." And this issue becomes especially important in areas that are likely to get earthquakes. In this activity you will build a sweet building on a homemade shake table and find out how an earthquake impacts buildings constructed on landfill. How will your structure perform in a pretend earthquake? Read more
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5 reviews
Did you ever bake your ice cream? An insulated bag or a cooler filled with ice can keep a treat like ice cream cool. Using the same principles, it is even possible to bake ice cream in a hot oven and have it come out frozen! This activity will teach you how. Read more
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STEM Activity
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Have you ever seen a mobile? Not a mobile phone, but a hanging art sculpture. You might have had such a mobile in your room when you were little. These mobiles hang from the ceiling and are usually made up of many layers of rods to which lots of differently shaped objects are attached with strings. When you look at the mobile sculpture, you might wonder how it can stay balanced all the time even when it is moving in the air. In this activity, you will make your own mobile sculpture and find out… Read more
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Free science fair projects.