Download e-book for iPad: Ace Your Space Science Project by Robert Gardner

By Robert Gardner

ISBN-10: 1464505055

ISBN-13: 9781464505058

Why does not the Moon fall to Earth? Why do the seasons swap? what's parallax? how are you going to simulate weightlessness in the world? younger scientists will discover the sunlight approach via utilized house technological know-how answering questions about area. The far-out house experiments during this ebook may also help scholars make a version of a lunar eclipse, construct a spectroscope, and extra! Many experiments contain principles scholars can use for technological know-how reasonable tasks.

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The umbra touches only a tiny part of Earth’s surface, if any. Therefore, only a small area of Earth lies in the darkest part of the shadow (the umbra). The dark part is where all of the Sun’s light is blocked by the Moon. During a solar eclipse, the Moon’s umbra makes a narrow path as it moves across Earth’s surface. The width of this shadow never exceeds 274 km (170 mi). Sometimes only the penumbra reaches Earth. When that happens, part of the Sun is visible during the eclipse. Of course, Earth can cast a shadow, too.

Markers at your position and the position of your helper will provide a north-south line that you will find useful in later experiments. 2 Building a Sundial to Find the Path of the Sun Materials: an adult hand drill square board, about 30 cm (12 in) on a side ruler new, unsharpened pencil pencil sharpener sandpaper carpenter’s level white paper scissors tape protractor tape measure map pins and mesh strainer, or colored pens and clear dome The Sun does not follow the same path across the sky each day.

In the same way, the Moon during a solar eclipse casts a shadow on Earth and blocks out at least a part of the Sun. Move the coin closer to your eye. Does it block out more or less of the bulb as it moves closer to your eye? Slowly move the coin farther from your eye. Does the coin block out more or less of the bulb as you move it away? Hold the coin far enough away so that it blocks the center part of the lightbulb but leaves a ring of light around the edge. This is what happens during what is called an annular eclipse.

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Ace Your Space Science Project by Robert Gardner


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