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Sound experiments
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Ray Broekel |
Briefly discusses sound, pitch, sound travel, sound waves, vibration, frequency, length, and thickness, with simple experiments to demonstrate each concept. |
OL16079662W |
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Gerbil pets and other small rodents
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Ray Broekel |
A brief introduction to the care and feeding of pet gerbils, hamsters, guinea pigs, and mice. |
OL2917047W |
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Storms
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Ray Broekel |
Describes the weather conditions that produce storms and the damage that can be done by rain, snow, wind, dust, ice, thunder, lightning, and hail. |
OL2917092W |
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Your five senses
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Ray Broekel |
Discusses the importance of the five senses and examines the structure of the sense organs and how they work. |
OL2917094W |