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Make Ice Cream in a Bag

STEM Activity

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1642 reviews

Have you ever made ice cream? It can be a lot of fun, and you end up with a tasty frozen treat! There is actually a lot of interesting chemistry that goes on behind making ice cream. For example, think about how you start out with refrigerated (or room-temperature) ingredients and then need to cool them down to turn them turn into ice cream. How do the ingredients change during this process? How important do you think it is that they are cooled to a certain temperature? In this science… Read more

Careers in Math and Science

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Learn about careers in Math and Science with Science Buddies career profiles. Read more

Build a Pizza Box Solar Oven

STEM Activity

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1488 reviews

Have you ever cooked something outside, like for a BBQ or while camping? It can be a lot of fun to be outdoors and enjoy eating the fruits — or burgers — of your cooking labors. Did you know that you can directly use solar power to cook food? This can be done using a solar oven, which is a low-cost, ecologically-friendly technology that seems to have everything going for it. In this science activity, you will build your very own simple solar oven out of a pizza box to gather the… Read more

Balloon-Powered Car Challenge

Science Fair Project Idea

Engineering Design Process

Do you think you could build a car powered by nothing but air? A balloon-powered car is pushed forward by air escaping from a balloon, and it is fun and easy to build with materials you already have around your house. Can you imagine how you would want your own balloon-powered car to look? Can you design a car that will travel as far as possible? You can even measure your car's speed using your smartphone and a special sensor app. Get ready to grab some simple supplies to bring your idea to… Read more

Engineering Design Process

Project Resource

What is the Engineering Design Process? The engineering design process is a series of steps that engineers follow to come up with a solution to a problem. Many times the solution to a problem involves designing a product (like a machine or computer code) that meets certain criteria and/or accomplishes a certain task. This process is different from the Steps of the Scientific Method, which you may be more familiar with. If your project involves making observations and doing… Read more

Science Fair Project Display Boards

Project Resource

Materials and Construction Techniques Use a self-standing display board like these. Display boards in black or white-colored "foam core" (a sandwich made up of two pieces of smooth surface paper with a polystyrene (plastic) middle) or corrugated cardboard are readily available at many retailers ranging between $4 to $14 per board depending on the material. Print out or write your information on white paper that you will attach to your display board. Be sure to… Read more

Build a Paper Rocket

STEM Activity

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929 reviews

Blast off! Have you ever played with a model or toy rocket, or seen a real rocket launch on TV? In this project you will make simple rockets out of paper and launch them by blowing into a drinking straw. Can you make the rocket that flies the farthest? Read more

Build a Balloon Car

STEM Activity

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Build a balloon-powered car from recycled materials in this fun activity. You can even grab a friend, build two cars, and race them against each other! Read more

How to Turn a Potato Into a Battery

Science Fair Project Idea

Scientific Method

Imagine telling your friends about your latest science project: using a battery to make a light turn on. You might get some blank stares...sounds a little boring and basic, right? Now tell them you will do it with a potato! Yes, you can actually use fruits and vegetables as part of an electric power source! Batteries power many things around you, including cell phones, wireless video game controllers, and smoke detectors. In this science project, you will learn about the basics of battery… Read more

What Makes Ice Melt Fastest?

Science Fair Project Idea

Scientific Method

If you live in a place that gets cold in the winter, you have probably seen trucks out spreading a mixture of sand and salt on the streets after a snowfall to help de-ice the road. Have you ever wondered how this works? This basic chemistry project can give you some clues. Read more

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