Table of Contents How to do Chill a Drink Challenge Challenge description: A refrigerator is a convenient way to cool beverages. There are also multiple ways to cool a drink using ice. Some of them will be faster than others. Your challenge is to chill a drink in forty seconds, using ice only. There is …
To prototype is to create an example of something. Prototypes are quick creations that give us ideas for the next stage of what we will make or invent. This project is about fueling your imagination for flight, just like Leonardo. Let’s experience the same forces of flight as pilots do at NASA. Here is the …
Table of Contents How to do the Estimation of Marbles STEM Challenge The Challenge: Estimate the number of marbles placed in a glass jar and then verify by counting the marbles. Materials: • Marbles• Plastic jar Procedure: Fill up the jar with marbles, to the neck and not to the brim. Challenge criteria: Devise a …
A single chair can be used by different people whose body shapes and sizes may differ. To withstand different loads, chairs are designed to distribute the pressure caused by the body sitting on them. If the pressure of the body is not distributed properly on a chair, it can cause discomfort while sitting. Try it: …
Staircases – you see them everywhere. At homes, in offices, in schools, or in public places. Some are made up of concrete, some are made up of wood. We can also find glass staircases at some fancy restaurants. The material that is chosen to build a staircase depends upon many factors such as economy, functionality, …
A microscope may seem like a fancy piece of lab equipment that you need to be a scientist to own. That couldn’t be further from the truth. With a few simple items you can easily make your own DIY microscope and explore the itty bitty world. You will be amazed by all of the new …
If you have ever experienced a thunderstorm, you have learned a few important things about sound. First, sound travels more slowly than light. The lightning strike you see during a storm is followed by thunder several seconds later, depending on how far away the lightning was. Another thing you may have learned is that sound …
People of all ages find mazes to be fun, but did you know they are also good for your brain? As you solve the path through a maze, your brain is busy reasoning, remembering, and problem-solving. Just like any skill, the more you practice, the better you will be at solving mazes. One type of …
Have you ever mixed vinegar and baking soda (and maybe a little red food coloring) to create a homemade volcano? It’s fun to see the reaction of these two common household chemicals. But what is happening at the molecular level that makes these two substances react? This reaction is known as an acid-base reaction. Vinegar …
Take a deep breath. Along with that life-giving oxygen, you are inhaling, there are quite a few other things mixed into the air you breathe. Let’s start with the gasses. Air (on Earth, anyway) is made up of 78% nitrogen and only 21% oxygen. Your lungs take up the oxygen and just breathe the nitrogen …
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