This site offers a variety of everyday activities and everyday experiences in which waves or sound waves play a role.

Are you looking to learn the basics of web page design with Microsoft FrontPage 98? This fun and educational tutorial offers interactive activities and quizzes. The tutorial covers: introduction to FrontPage, creating your first website,...

A biographical sketch of Christian Doppler (1803-1853), the Austrian mathematician whose study on the dependence of pitch upon the relative speed of source and observer resulted in the Doppler effect.

Explore your prior knowledge about bats and investigate bats' use of echolocation to identify and catch prey. Design a game like "Marco Polo" to demonstrate echolocation.

Online physics lab experiment in which students use resonating waves inside of a closed-end air column to determine the speed of sound. The form allows students to check their answers and receive immediate feedback.

Online physics lab experiment in which students use resonating waves inside of a closed-end air column to determine the speed of sound. The form allows students to check their answers and receive immediate feedback.

This customizable digital textbook covers topics related to fourth-grade science. It is Next Generation Science Standards (NGSS) aligned.

What kind of unit conversion would you like to do? This site will allow you to do a multitude of conversions. Just click on the specific measurement you are needing to convert. It also provides a history of measurements and a chart of...