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Do you or your parents ever use the Internet to get fast answers to all types of questions? Like what time does the amusement park open? How do you open a lemonade stand? When is the next Pixar movie coming out? Chances are, any question you can think to ask is answered somewhere on the Internet. But getting to the right answer can be hard! If you've ever used Google (or any other search engine) to try to answer a question, you've probably gotten back pages of results, none of which had the…
If you've played catch with both Aerobie flying rings and Frisbees, you know that the rings fly much further than the Frisbees with the same throwing effort. Why is that? Investigate the aerodynamics of flying rings and flying disks and find out!
Build an ion wind rotor, a model of an ion thruster, using a Van de Graaff generator and experiment with different electrode designs.
We are all familiar with the nursery rhyme, "Rain, rain, go away, come again some other day...", or
the song "Singin' in the Rain." Numerous songs and stories describe our feelings about rain. Why so many?
Because we humans understand how important rain is to our well-being. Rainfall, as part of the
water cycle, brings water back to Earth that had previously evaporated or transpired
from the surface. When water vapor in the atmosphere condenses into clouds and falls back to Earth as rain,…
This is a straightforward, fun project to measure the rate of the chemical reaction that occurs when Alka-Seltzer® tablets are plopped into water. You will track the volume of carbon dioxide gas produced at regular intervals after the reaction begins. How does changing the temperature of the water affect the production of gas?
How do you turn a 2-dimensional piece of paper into a 3-dimensional work of art? Origami, the classical art of Japanese paper folding, is loaded with mathematical themes and concepts. What are the common folds in origami, and how do they combine to create 3-dimensional structure? Can you classify different types of origami into classes based upon the types of folds they use? Can you show Kawasaki's Theorem, that if you add up the angle measurements of every other angle around a point, the sum…
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Flying kites is an excellent way to learn about aerodynamic forces. In this science fair project, you will build and test a variety of kite designs to see which flies best in low wind speeds. You will use an inexpensive anemometer to accurately measure the wind speed. Since you will be choosing which kites to build and test, the experimental procedure provides a general outline for the experiments, but there is a lot of opportunity for you to be creative with your kite designs. This is a DIY…
Survey your area to find out which species of plants and animals live there. You might be surprised to find out that something you grew up thinking was very common, is actually quite unique! For example, if you live in the great plains, then you may think that prairie dogs are a nuisance or a pest. Actually, some species of prairie dogs are only found here, and have a very important role for short and tall grass prairie ecosystems. The prairie dogs are an important part of the food-chain, and…
Humans are pretty good at building vehicles with wheels, but building machines with legs that walk like us is a lot harder! In this engineering project you will build a simple robot that walks using a single motor. How fast can you make your robot go?
Have you ever wanted to build your very own robot from scratch? Bristlebots are a cheap, easy, and fun-to-build robot made from the head of a toothbrush, a battery, and a small motor. Once completed, they buzz along the top of a table like bugs. How can you make a bristlebot go faster? In this project, you will build bristlebots from two different types of toothbrushes, and race them against each other to find out.
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