What makes a bike balance?

Question Answered by Alana Jensen, Environmental Educator, INL ESER Program You may think that it’s the human riding the bike that keeps the bike balanced, but that’s not entirely true. If launched properly, a bike with no rider balances itself just fine and continues on its path as if a rider were guiding it. You…

We read that baking a cake involves chemistry. What chemical processes take place during the baking? (Part 2)

Question answered by Dr. Catherine Riddle, Radiochemist, Idaho National Laboratory Baking causes a chemical change in your ingredients from raw batter to cooked cakes, breads, cookies, or biscuits. Since there are multiple reactions depending on what you are baking, let’s look specifically at the chemistry that goes into baking a cake step by step. Last…

What are your favorite experiments?

Answered by Alana Jensen, Environmental Educator, INL ESER Program I have so many favorite experiments, but here are a couple of fun ones to do in the summertime. Blow Bubbles!You will need: Dishwashing soap, glycerin, water, large jar, liquid measuring cup, pipe cleaners, pliers Measure the volume of your jar by filling the jar with…

Does water reflect or refract light?

Answered by Alana Jensen, INL ESER Program Water is both a reflector and refractor of light. Let’s examine these properties of light separately. Reflection: Reflection is when light hits the surface of an object and then that light travels to our eyes so we can see. All materials reflect light to some extent, but a…

Can sound travel through me?

Question Answered by Dr. Steven Shropshire, Physics Professor, Idaho State University Yes, sound can travel right through you. While some sound is absorbed by your body, all sound waves can pass through you if they are loud enough. Sound is a vibration. It can be a vibration in the air, in water, and even in…