Grade 9 Science Experiment 20 - How to Create a Solar Eclipse
Purpose:
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.
In this science fair project you will construct a model that demonstrates how an eclipse appears. Additional exploration will include investigating sun spots and observing changes of the position of the earth with respect to the sun.
Hypothesis:
A solar eclipse can be created by understanding the movements the sun and moon make with respect to the earth.
Variables:
- Position of the sun (ceiling bulb)
- Position of the moon
Materials Needed:
- Opal electric bulb
- Blackened cardboard (2 pieces that have dimensions of 12in by 9in)
- Wood piece to be used as a base (It can range in size, but dimensions of 12in by 36in works well.)
- Three wood pieces which will be used as supports for other components of the apparatus. The wood pieces can have dimensions of 9inch by 3 inches by 3inches)
- Red crayon
- Wooden ball that is 2.5cm in diameter mounted on a knitting needle
- Knitting needle
- Bicycle spoke
- Glue
- Razor blade
- Small coin
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