A well-designed, comprehensive, and attractive slide show supports direct instruction on how sonar and echolocation work. Contained within the slides are links to interactive websites and instructions for using apps on a mobile device to...

Viewers learn how to identify the substances in a chemical reaction, how to balance it, and the different types of chemical reactions by watching a presentation that also includes a review of monomers and polymers. The presentation...

Students investigate basic information about dinosaurs. They listen to the book, "My Visit To the Dinosaurs," explore various websites, take an online quiz, and play an online dinosaur game.

In this science worksheet, 3rd graders answer 12 clues to find the answers to a crossword puzzle that is focused on things that live in trees. They use words such as butterfly, tree frogs, raccoons, and squirrel.