William Warby Think carefully, how many colors can be seen on a standard Rubik’s cube? Including the black, the cube has 7 colors 7 6 8 5 According to legends and folk tales, what imaginary creature has no reflection?
14 QsBeryl Corundum Ruby Quartz In several languages, the word for green is "verde". Which language is NOT one of them? In French green is 'vert' Portuguese Spanish Italian French Green is in the center of the visible light spectrum. What is the approximate wavelength of green light?
12 Qs