Eighth Grade STEM Activities for Kids (184 results)

Stargazing for Satellites

STEM Activity

4 reviews

Throughout history, people have always been captivated by celestial objects like stars, planets, and the Moon. Now, man-made satellites have entered the picture. Did you know you can see many satellites with the naked eye? Try this activity and find out for yourself! You will even learn how to classify them! Read more

Wearable RGB LED Unicorn Horn

STEM Activity

1 review

Sewable circuits are a fun way to mix electronics and arts and crafts by sewing circuits into clothing or fabric. This sewable circuit focuses on creating a unicorn horn with a programmable red-green-blue (RGB) LED in the tip that changes colors. You will use conductive thread to make the circuit, but your stitched lines will also form the spiral lines of the unicorn horn. Read more

Weaving a Wearable Touch Sensor

STEM Activity

4 reviews

Sensors are everywhere—on your phone, in your car, and even at the grocery store. Learn how to craft your own wearable sensor that you can put on your clothing. Using a simple and easy crafting method, you will be able to weave your own capacitive touch sensor patch that will detect when someone touches the fabric. You can use the sensor to turn on an LED, buzzer, or motor when it detects touch! Read more

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Make String from Algae

STEM Activity

214 reviews

Did you know that the seaweed you've seen in the ocean or even eaten as a snack is inspiring innovators to imagine new materials? Large brown algae, like kelp, contains polymers—long chains of molecules—that are more environmentally friendly than the ones in most plastics. These natural polymers (alginates) could eventually be used to create sustainable everyday objects. Try your hand at using a bit of chemistry to turn biodegradable polymers from algae into your own custom… Read more

What Is Normal Body Temperature for Humans?

STEM Activity

7 reviews

What is a normal body temperature for humans? Have you heard people say it is 98.6°F or 37°C? You will find out for yourself if that is fact or fiction in this simple activity. Read more

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