Cohesion is the attractive force between like molecules, such as between two water molecules or between two syrup molecules. The syrup in the photo forms a single cascading stream because the syrup molecules are attracted to each other. Discover Cohesion Yourself Wet your thumb and forefinger with water. Press these two fingers together, and then […]
Archives for 2010
Temperature vs. Kinetic Energy
TEMPERATURE Temperature measures how hot or cold a material is. Hot materials have a higher temperature than cold materials. In the Diagram: The contents of container A has a lower temperature than the contents of container B. I know this because the temperature reading on the thermometer in container A is lower than is the […]
Aerospace Career
Team America Rocket Contest
Astronomy Science Fair Project Ideas
Astronomy Questions for Science Projects The independent variable and a dependent variable for each question is identified. 1. As viewed from Earth, how does a celestial body’s distance from Earth affect its apparent diameter? Independent variable: distance from EarthDependent variable: apparent diameter of celestial bodies 2. How does Earth’s position in its orbit about the […]
Analog Clocks
An analog clock is a clock that displays the time of day by the position of hands on a dial (clock face). The diagram shows the face of two different analog clocks, one marked in 12 hour units and the other is marked in 24 hour units.
Slime Creatures Produced by Sonic Waves
Sonic is a term that refers to sound that: has a frequency within the audible range of the human ear refers to waves and vibrations The slime in the video is a polymer made with borax and glue. For information about slime as well as how to make it, see SLIME INDEX.
Protected: Ann Slime Science Fair Project
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Time: Standard, Local, Daylight Saving
Standard time refers to sun time, or time one would determine using a sundial. I call it REAL TIME, but that is a Janice VanCleave term. A time zone refers to a region of the Earth that has adopted the same standard time, usually called local time. Time zones were established in the in the […]
Two Little Rascals Raise a Caterpillar
The Adventures of Two Little Rascals is a story in the making. The following English and Spanish dialog is from Evelyn, the mom of the Two Little Rascals. I hope you enjoy this Caterpillar Raising Saga as much as I did. Raising a Caterpillar *We found this caterpillar at home and we immediately made it […]
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