20/20 Vision

Think counting sheep will put you to sleep? Not in this engaging lesson! Scholars get a brief background on shepherds' methods of counting their sheep and the various ways sheep are kept and used. Learners get a geographical perspective...

In a comprehensive unit of activities, learners explore the five senses. Youngsters discover the many different body parts and their functions that allow humans to have sense of sight, touch, smell, taste, and hearing. The best way to...

Here is a great science lesson. It extends the concept of vision into the area of optical illusions, perspective, and tessellation. This well-designed plan has tons of great activities, utilizes interesting video, and should lead to a...

In this human body learning exercise, students participate in a vision exercise in which a green, black and yellow American flag is stared at for 20 seconds. Then students look at a blank sheet of white paper and record what they see.

Pupils study the eye as the organ of vision, They look at a drawing of the eyes and study the names of the parts. While working with a partner, they observe what happens when the lights are turned lower and lower. Finally, they look at...

Students identify their special tree using all senses other than sight. They identify six different internal parts within a cross section of tree trunk (bark, phloem, xylem, cambium, heartwood, and roots). Students compare and contrast...

Put a new twist on your collection of optical illusion activities. Affix the linked printable spiral to a drill, record player, or some other rotating tool. Have learners stare at the spinning disk for only 15 seconds and then look away....

Learners explore human anatomy by graphing scientific data. In this vision lesson, students discuss how ophthalmology works and take their own eye assessment test using the Snellen chart. Learners collect vision data from all of their...

When your life science class is learning about the eye and how it works, you can add this activity as a demonstration of how the retina holds an afterimage. After staring at a red, green, or blue bird shape, pupils glance at a cage and...

Students describe how diffusion occurs within a liquid. They explain a situation where diffusion through a liquid might occur in the natural world.