Have you ever seen a mood ring that seemingly changes colors in response to your mood? Or, maybe you have seen T-shirts, toys, and even thermometers that change colors in response to temperature changes. All of these color changes, even the mood ring, change colors due to special chemicals, called thermochromic chemicals. Two types of […]
Search Results for: Rainbow
Magic Color Changing Stickers
Magic Color Changing Heat Sensitive Stickers Magic TLC Dot Stickers- Just touch the TLC stickers and magically you’ll see a rainbow of colors. The TLC dots are coated with liquid crystals. See TLC Stickers in the sidebar for information about liquid crystals, science experiment project ideas and DIY projects. Magic HAT Stickers- Thermochromic HAT stickers are […]
Spy Pen with Invisible Ink
The spy pen contains ink that is invisible, which means that under ordinary lighting the ink does not reflect visible light to your eyes. Visible light is one of seven different types of light energy (also called electromagnetic energy) and is the only type of light that you can see. Visible light is a band […]
Wintertime Events
Winter is the season of the year between autumn and spring. For many regions on Earth, winter is a time of cold temperatures and in some places ice and snow. Besides observing the shapes of snow crystals, winter is a great time to study the celestial bodies because the sky is generally clearer. Look for […]
Perception of Color
Vision depends on a small part of the Electromagnetic Spectrum Called Visible Light. The only type of light energy that you can visually perceive is called visual light. Visual light can be broken into seven parts, each part with a different amount of energy, and each amount of energy is perceived as a different color. […]
Color Changing Chemicals
Thermochromic (TC) materials change color in response to temperature changes. The two basic types of thermochromic substances are liquid crystals and Leuco dyes. Liquid Crystals (LCs) can be highly temperature sensitive, change to many colors, and are more expensive than leuco dyes. The picture shows a liquid crystal sheet. Prior to being touched with a hand, […]
Thermochromic Dyes
What Does Thermochromic Mean? The word thermochromic can be broken into two parts: thermo: This prefix refers to temperature. meaning temperature and “chromic” meaning color. Together, thermochromic indicates that the substance changes color when its temperature changes. chromic: In chemistry, chromic refers to changes, often reversible, in the colors of chamicals. Thus, thermochromic means color […]
ROY G. Biv
The rainbow colors are so spectacular. Notice that the rainbow colors are always in the same order. R is for red light, which is light with the least energy.O is for orange light.Y is for yellow light.G. is for green light.B is for blue light.I is for indigo light.V is for violet light, which is […]
Cloud Colors
Question: Why are clouds white? Answer: Clouds are white because white light comes from the clouds to your eyes. Now let me explain where this white light comes from. 1. Light from the sun is white. This means it is made up of all the colors of the light spectrum, which are the colors of […]
Electromagnetic Spectrum
Question: What is electromagnetic spectrum? Answer: Radiation is a type of energy that moves in the form of waves or particles. This energy is emitted by one body, travels through a substance or space, reflected by some bodies, and ultimately is absorbed by a body. There are different kinds of radiation that differ from each […]