I wrote this as a way to review the concepts taught in 3rd grade that will be tested in 5th. It's a fun piece of complex texr complete with Common Core-style questions, perfect for the reading block.
SC.5.P.10.1 Investigate and describe some basic forms of energy, including light, heat, sound, electrical, chemical, and mechanical.
SC.3.P.10.3 Demonstrate that light travels in a straight line until it strikes an object or travels from one medium to another.
SC.3.P.10.4 Demonstrate that light can be reflected, refracted, and absorbed.