Science Buddies
Science Buddies: Extreme Sounds: Lessons in a Noisy World
Just how loud does a sound have to be for us to hear it? And how loud is too loud for our ears? Learn to measure levels of sound in this project, and discover the amazing auditory range your ears can detect in the noisy world around you.
Science Buddies
Science Buddies: Roller Coaster Marbles: How Much Height to Loop the Loop?
This is a really fun project even if you don't like going on roller coasters yourself. You'll build a roller coaster track for marbles using foam pipe insulation and masking tape, and see how much of an initial drop is required to get...
Science Buddies
Science Buddies: What Is the Maximum Intermediate Height for a Siphon?
If you have ever had a fish tank, you have owned an operating siphon. A siphon is a handy device for emptying out a liquid reservoir that has no drain. As a result, they are great for cleaning fish tanks. Liquid in a siphon flows...
Science Buddies
Science Buddies: Rainbow Fire
Astronomers can determine the atomic composition of distant stars by measuring the spectrum of light emitted by the star. Sound cool? Well in this project you can do something similar by observing the color of flames when various...
Science Buddies
Science Buddies: Outer Space, the Silent Frontier: An Experiment on Sound Waves
In outer space there is utter silence. There are no sounds of traffic jams or thunderstorms or crashing waves. No buzzing bees or babies crying. Just silence. In this experiment, you will discover why empty space is void of sound.
Science Buddies
Science Buddies: Under Pressure: Ball Bouncing Dynamics
Many sports use a ball in some way or another. We throw them, dribble them, hit them, kick them, and they always bounce back. What makes a ball so bouncy? In this experiment you can investigate the effect of air pressure on ball bouncing.
Science Buddies
Science Buddies: How Fast Can You Shoot a Hockey Puck?
In this project, you'll need: a puck, a hockey stick, a tape measure, at least one helper with a stopwatch and an empty rink. Have your friend start the watch just as you make contact with the puck, and stop it when the puck hits the...
Science Buddies
Science Buddies: Rubber Band Elasticity and Temperature
Many materials expand when heated and contract when cooled. What do you think will happen to the elasticity (stretchiness) of a rubber band when it is heated or cooled to various temperatures?