To illuminate how afterimage occurs, create a star, square, or other geometric-shaped light for learners to look at for 30 seconds. Then, have them explain what they see as they shift their focus to a blank wall. A full explanation of...

From the iris and retina to glasses and contact lenses, learners will be excited to see what activities are in store for them as they learn about the complex organ of the human eye.

Students explore different parts of the eye and functions of each part through a video and a dissection of a cow's eye. They discover different causes of blindness.

For this senses worksheet, students use a text book to complete 34 fill in the blank statements about the structures and functions associated with the 5 senses.

After discussing the basics of the eye, this site explores the various functions of the eye and parts from the optic nerves to the retina. Cones, rods, and the brain are also discussed.

Students learn how the eye responds to visible light, and how that function ultimately allows us to see.

Students discover the four parts of the eye are the most instrumental in the task of producing images that are discernible by the brain.