These sites focus on concave and convex lenses. Learn what they are, how they are different, and how they can help correct farsightedness and nearsightedness. There are also topics on light, prisms, and reflection. Includes simulations of lenses, interactive games, hand-on experiments, lesson plans, and quizzes. There are links to eThemes Resources on Physics: Light, Human Body: Eyes, and Microscopes.
Click the "Lens" icon to learn what they are, how they work as magnifying glasses and optics in astronomy as well as space exploration. There are also topics related to lens including light, lasers, and careers in light.
These sites are about visible light and the color spectrum. Learn the basic concepts of color theory including the color wheel, additive and subtractive colors, reflection, and refraction. Try the online color blindness test. There is also information about the speed of light and how the eye works.
These sites explain how the eyes work. Learn about all parts of eyes and their functions, how we can see things, and how to take care of your eyes. Includes interactive anatomy, games, online quizzes, and links to eThemes resources on physics of light and the five senses.
Learn about the history of the microscope. Find out what organisms can be seen under the microscope's lenses. Learn how many different types of microscope exist today and how to take care of the instrument. Includes photographs, microscopic images, hands-on activities, and an online game.