Best year ever sale August 1st and 2nd up to 28% off. Designed by Chadwick Harvey, LiteracySolutionLinks proudly brings to you this unit test targeted towards assessing students on their knowledge of Light, Sound, and P-waves. The test is specifically to the North Carolina Essential Standards for Sixth grade Science, but is rigorous that it could be used to assess students in high school level science courses. It promotes strong critical thinking skills and includes an answer key. Download today for only $3.99 to see firsthand how it works in your classroom.