TEK 5.6C (RS) Demonstrate that light travels in a straight line until it strikes an object or travels through one medium to another and demonstrate that light can be reflected such as the use of mirrors or other shiny surfaces and refracted such as the appearance of an object when observed through water
<p>I always love Dr. Seuss inspired science ideas and I think kids do, too. Check out this collection of science activities inspired by Dr. Seuss books. You’ll find activities that practice measuring, graphing, and observation skills, explore baking soda and vinegar, and lots more! Amazon affiliate links are included in …</p>
The Mohs scale of mineral hardness characterizes the scratch resistance of various minerals through the ability of a harder material to scratch a softer material. It was created in 1812 by the German geologist and mineralogist Friedrich Mohs and is one of several definitions of hardness in materials science.