VanCleave's Science Fun

Your Guide to Science Projects, Fun Experiments, and Science Research

Archives for 2010

Cohesion: Attraction Between Like Molecules

By

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 […]

Temperature vs. Kinetic Energy

By

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 […]

Astronomy Science Fair Project Ideas

By

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

By

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.

Time: Standard, Local, Daylight Saving

By

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

By

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 […]