Identify the appearance of the moon during its three main phases which include the New Moon, Quarter Moon, and Full Moon.

What is a plateau? What's the difference between a butte and a mesa? Look at these three land forms and learn to tell them apart with this worksheet.

Children learn why the light from the sun seems white to us, why we see objects in color, and why the sky is blue in this beautiful and fascinating worksheet.

What is solar energy? Discover how we use the power of the sun, and complete this worksheet about an important renewable energy source.

Right now the Earth is spinning, whether we can feel it or not. Do you know why? Uncover the science behind our spinning planet with this informative worksheet.