[Free Registration/Login Required] This lesson introduces fifth graders to the science of sound. Key concepts include sound waves, wavelength, amplitude, frequency, pitch, and intensity. There are many opportunities for student...

When light strikes an object it can cause reflection or absorption depending on the wavelength of the light and the property of the material that makes up the object. Watch this whiteboard animation for a full explanation and to find out...

[Free Registration/Login Required] This flipchart shows the different parts of sound wavelengths and human hearing. Use the magic revealer when you learn to identify the sound canal in humans.

[Free Registration/Login Required] In this Flipchart, students are introduced to the electromagnetic spectrum. Students will learn the names of the types of waves, and the order in which they are arranged. Additionally, students will...