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What causes the seasons to change? The first answer many people give when asked why the Earth gets cold in the winter and warm in the summer is because the Earth’s distance from the sun can vary durin ...

This project deals with the qualities of shade on a sunny day.It is an educational content by education.com.By clicking on the title of this resource, you will be redirected to the content. If you wan ...

The project is about measuring the effectiveness of a detergent containing a UV-absorbing compound in blocking UV-A radiation.The goal is to have the student conduct a controlled experiment to test cl ...

Sunspots are disturbed areas of the sun that look like spots because they are cooler than the surface of the sun. They have been observed and recorded since the 18th Century. This large collection of ...

This investigation explores the position of Earth in relation to the sun and compares sunset times and sunrise times over a period of three months to determine if there are fluctuations in the rising ...

That big, glowing ball of light in the sky is pretty amazing. The sun powers life on earth, and it helps us see and helps plants make their food. Sometimes, the paths of the moon and the sun cross and ...

The sun is a wonderful (and free) source of energy just waiting to be harnessed. You can build a simple solar hot dog cooker for use on a sunny day.This hot dog cooker uses a reflective parabola. A pa ...

The purpose of this project is to test sunscreens from the lowest number to the highest.People depend on sunscreen to protect their skin from the sun’s ultraviolet radiation.People believe that a high ...

Though it is common knowledge that the average temperature increases as you move closer to the equator, many people do not understand why this is so. There are many reasons why the equatorial region e ...

Every day, the Sun rises in the east, rides across the sky, and sets in the west. Once upon a time, people thought gods like Apollo carried the Sun on a chariot. But as it turns out, the Sun doesn’t m ...