Earth Science
- Earth Science 1 - How To Build And Use Your Own Sextant The purpose of this science fair project is to demonstrate how you can build a sextant to study latitude. A sextant is a measuring instrument that measures the angle of elevation of a celestial object above the horizon. The angle, and the time when it was measured, can be used to calculate a position line on a nautical or aeronautical chart. Sextant's are often used when you wish to find your latitude. A sextant can measure the angle between any two objects, such as between two lighthouses.
- Earth Science 2 - The Humidity By Investigating Your Hair! The purpose of this science fair project is to determine the humidity level by investigating the status of your hair. You will create a "Hair Hygrometer". A hygrometer is a scientific instrument used to measure the moisture content or the humidity of air or any gas. A common hygrometer is one that measure temperature (thermometer).
- Earth Science 3 - How Forces On The Earth Create Magnetism The purpose of this science fair project is show how forces on the earth create magnetism through a series of magnetic demonstrations. The definition of magnetism is the following: "A class of physical phenomena that include the attraction for iron observed in lodestone and a magnet, are inseparably associated with moving electricity, are exhibited by both magnets and electric currents, and are characterized by fields of force (www.dictionary.com)."
- Earth Science 4 - Photosynthesis How Plants Use The Weather Elements To Feed Themselves The purpose of this science fair project is to understand how plants use the process of photosynthesis to feed themselves. Green plants have the ability to capture light and store it as chemical energy in the food they produce. This food manufacturing process is referred to as "photosynthesis". Essentially, the captured light contains carbon dioxide and water that is converted into food and oxygen for the plant. The oxygen plants produce is a major benefit for us as it allows us to breath in our earth environment.
- Earth Science 5 - How To Create A Solar Eclipse The purpose of this science fair project is to explain and demonstrate the phenomena of a solar eclipse. A solar eclipse occurs when the Moon passes between Earth and the Sun. This movement covers the Earth's view of the Sun either partially or completely. A solar eclipse is a very rare event and can be seen from specific locations on earth. Solar eclipses occur during the New Moon phase. The New Moon phase is when the Sun and Moon are in conjunction.
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