Merriam Webster: Dictionary Illustration: Solar Eclipse

Is your class in the dark about what happens during solar and lunar eclipses? Help them see the light using a fun physics video! The narrator explains and illustrates both types of eclipse, then offers three handy methods for remembering...

This brief animation adapted from NOVA illustrates how total solar eclipses form and explains the stages from first contact to totality. [1:14]

In this task, young scholars investigate why total solar eclipses are rare. They will learn that, in addition to requiring the positioning of the Sun, Moon, and Earth, the Moon can only completely block out the Sun when it is closest to...

This is basic cloud chart illustrating shape and relative altitude of ten key cloud types. Scroll down to the bottom for the list of cloud types by name.

Basic diagram illustrating five main structures of a feather.

Labeled illustration of a cabbage butterfly.

Labeled illustration of a bacteriophage.

Labeled illustration of inflorescence, which refers to flowering or a flower cluster.

Labeled illustration of a neuron, with callouts for the nerve body, dendrites, axon, and endings.

Labeled illustration of the principal parts of the eye.