Learn about microwave radiation. Discover the definition, properties, sources, uses, and health effects of microwaves.
Optics
Learn about infrared light or infrared radiation. Get the definition, wavelength and frequency range, and interesting facts.
Infrared Light – Infrared Radiation
Learn about parallax in science and everyday life, including the parallax effect and parallax error. Explore the uses of the phenomenon.
Parallax – Definition, Examples, Uses
Learn what the law of reflection is. Get its definition and explore the difference between specular and diffuse reflection.
Law of Reflection
See how to make a periscope in this simple and fun science project that teaches key optics principles in physics.
How to Make a Periscope – Science Project
Learn about refraction in physics. Get its definition and explore Snell's law and the index of refraction. Get examples for light and sound.
Refraction – Definition, Refractive Index, Snell’s Law
Black light emits is ultraviolet radiation, which is invisible or "black."
What Is Black Light? How Black Light Works
This waves word search contains glossary terms associated with the study of waves and wave motion. Find the words from the list forward and backward in vertical, horizontal, and diagonal directions. The puzzle is optimized to fit on a standard 8.5″x11″ sheet of paper, but it fits nicely on A4 […]
Waves Word Search
Geometric optics is the study of the paths of light rays. This geometric optics word search contains glossary terms associated with geometric optics. Find the words from the list forward and backward in vertical, horizontal, and diagonal directions. The puzzle is optimized to fit on a standard 8.5″x11″ sheet of […]