What is a collioid?

Why is a red dye added to alcohol thermometer? When was Jive Electro created? Industrial applications of common ion effect? Dream recording device? How many shoes would it take to make a kilometer with the shoe being 26.2 centimeters? Is a scientist fair minded? If an element breaks when its struck with a hammer is it a metal? How many miles are in 10 km? How did professor flannery use curiosity wonder and questioning? Molecular orbital theory is based upon which model of the atom? Describe fossils in rock? What makes an experiment vaild? What is the 10 attitudes of a scientist? What is SGDSD? What does procedure mean in science projects? What are the disadvantages of detergent? ALL OF SCIENTIST OF THE WORLD WHAT IS THEIR CONTRIBUTION IN FIELD OF SCIENCE? The material through which a wave travels is called? What tissue is responsible for conducting dissolved food substances? What does method mean in science?