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How do green plants become green? They actually use light to create a pigment called chlorophyll, which gives them their green color. But which wavelengths of light allow them to create chlorophyll? F ...

There are three types of rocks-igneous, metamorphic, and sedimentary. Each rock is formed through different processes and made up of varying. Igneous rocks are formed through the cooling of melted whi ...

Plants use sunlight to grow. Sunlight also produces chlorophyll in the plant causing the leaves of the plant to be green. In this investigation, sunlight is blocked from a leaf in order to see the aff ...

The first law of thermodynamics states that energy is neither created nor destroyed. It can, however, be transformed from one form to another. One type of energy that we are most familiar with is kine ...

The purpose of my project is to see if adding higher levels of ethanol alcohol to gasoline decreases the run time of a motor.It is an educational content by education.com.By clicking on the title of t ...

Test water to tell if it has salt content without having to drink it first. Is there salt in your water? You can easily test this doing a simple science fair experiment. Salt acts as a conductor. That ...

Every great story has a strong foundation—the story structure. Structure helps storytellers answer the critical question: what do I want my audience to know and when?

In the newest Khan Academy ...

At the end of the Mythic Period of China's history, the Xia dynasty gave way to the Shang Dynasty… if the Xia really existed at all! Sal gives an overview of the Xia, Shang, and Zhou Dynast ...

Thomas Malthus's views on population. Malthusian limits.

It is an educational content by Khan Academy, site that contains a wide variety of educational videos.

The Sixth Coalition forces Napoleon into exile on Elba.

It is an educational content by Khan Academy, site that contains a wide variety of educational videos.