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What is the speed of sound? How can we measure it?
You can measure the speed of sound the same way you measure the speed of a runner, with a stopwatch on a closed track.

Difficulty: High school

What is the extent of the loss of an audio signal being transmitted through an optic cable, when the cable is bent?
The purpose of this project is to find out the amount of loss in frequency and amplitude of an audio signal, if any, results when the audio signal is transmitted through a fiber optic cable at different degrees of bend diameter. I believe that the audio signal will lose frequency and amplitude when transmitted through fiber optic cable with a smaller degree of bend diameter.

Difficulty: High school

What are some of the properties of air?
The students will demonstrate the ability to investigate what air is like and where it is found. The children will sense that air is real by capturing it, squeezing it, carrying it, and feeling its weight.

Difficulty: Elementary school

Demonstrate how satellites measure the amount of energy reflected from the earth
Satellites are used to monitor the condition of the earth's surface over large areas in a short time period. Images from satellites have been used to determine changes in global vegetation patterns, monitor the health of agricultural crops, and measure the amount of evaporation from the earth's surface. The pictures from satellites are not taken with a traditional camera that requires film. Instea

Difficulty: High school

Does the viscosity of liquids affect the shape of droplets?
This experiment involves the observations of different shaped drops of liquids of varying viscosities. The purpose is to observe and compare these different forms. The hypothesis is that the liquids with the higher viscosities will form longer necks on their drops than the liquids with lower viscosities.

Difficulty: Middle school

Explain how fibre optics and optics transmitters work and how they can be used in the transmission of signals
Today’s low-loss glass fiber optic cable offers almost unlimited bandwidth and unique advantages over all previously developed transmission media. The basic point-to-point fiber optic transmission system consists of three basic elements: the optical transmitter, the fiber optic cable and the optical receiver.

Difficulty: High school

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