Something strange is happening at night at Skoop's house. Someone's rummaging through his boxes, and Skoop's not getting any rest. Leo and his friends decide to make a torch to figure out who's scaring Skoop.

Upon viewing the What is Sound video series, students will be able to do the following: Understand that sound is produced when matter vibrates. Explain that sound energy can travel through air, liquids, and solids, which are generally...