Encourage students to use what they learned about lenses to design working models. Have them investigate materials that have the same properties as lenses, for example, clear gelatin. Vision in Animals. Some animals have eyes in different places. The position of an animal s eyes determines what it can see.
Students report on their findings.
Art and Writing. Draw a picture of yourself with eyes in different places and write a short story about how these new eyes would help you see. Humans and other animals have binocular vision. Binocular vision is also called 3-D vision. Research what would happen if you did not have two eyes.