QUESTION: Why do some mirrors make me look upside down? ANSWER: You can see your image by looking at yourself in a spoon. The spoon acts like a mirror, which is a surface that reflects (bounces back from a surface) light. The inside of the spoon’s bowl is concave, meaning it curves inward. When you [...]
Engineering Fair Projects vs. Science Fair Projects
February 21, 2009 By 1 Comment
Engineering Fair Projects are developed using the Engineering Method. Science Fair Projects are developed using the Scientific Method, also called the Inquiry Cycle.
Backbone
February 7, 2009 By Leave a Comment
QUESTION: Why does my backbone bend? ANSWER: All the bones of your body make up the skeletal system. This system provides the framework that allows you to stand upright and also protects delicate internal body parts. An adult has about 206 bones. The number of bones varies from person to person because of the differences [...]
Sir Isaac Newton
February 5, 2009 By Leave a Comment
The English scientist Sir Isaac Newton was born February 4, 1642 in Lincolnshire. His father, a wealthy landowner died shortly before Newton was born. When Newton was three years old, his widowed mother, Hannah, remarried, left Isaac in the care of his grandmother, and went away to live with her new husband. Newton’s later writings [...]
Flying Squirrels
January 31, 2009 By Leave a Comment
QUESTION: Can squirrels really fly? ANSWER: Squirrels do not fly, but there is a type of squirrel that has special flaps of skin that extend from their front legs to their hind legs. When these squirrels leap from one tree branch to another, their skin is stretched out like sails to help the squirrel glide [...]
Dimensional Analysis
January 19, 2009 By Leave a Comment
Dimensional Analysis This important math process is one of the important skills that Dimensional Analysis A math skill that is not just for those preparing for science careers. It is an every day skill–it can even make cooking easier. Partly because of her dimensional analysis skills, the cook shown “zipped” through her college science courses. [...]
Biochemistry: Bromelain
January 18, 2009 By Leave a Comment
Question: Why does my tongue hurt when I eat fresh pineapple? Answer: Fresh pineapple contains bromelain, which is mixture of two protein-digesting chemicals. Your tongue, and lips as well as the tissue inside your mouth is made of protein which the bromelain can and does digest. YIKES! Can you eat too much pineapple? Does the [...]
Chemistry: Crystals
January 15, 2009 By Leave a Comment
This book has crystals as well as other fun science challenges. Question: What is a crystal? Answer: A crystal is a solid in which the particles making up the crystal are packed in an ordered, repeated pattern. Crystals form much like the forming of clusters of soap bubbles. In the diagram, the soap bubbles represent [...]
Weightless
November 10, 2008 By Leave a Comment
The photo shows me and others inside NASA’s KC-135, which is a plane used by NASA to produce apparent weightlessness.I’d given up on losing weight so I decided to achieve weightlessness –believe me once the plane started it path that resulted in our apparent weightlessness I was positive that it was the ultimate weight-loss program. [...]
Brain: Decoding Messages
November 5, 2008 By Leave a Comment
When your skin is touched, nerves at the surface of your skin send messages to your brain. In this articles, information is given about how the brain can be tricked into incorrectly processing nerve messages.
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