Frederik is doing experiments about light to find out how it helps people to see things.

Test your knowledge of light, sound, and color with these practice science questions.

Take this quiz that contains basics questions on light, sound, and color.

Using light as our measuring stick in space, science site provides all types of fun facts using light years and seconds as a reference.

[Free Registration/Login may be required to access all resource tools.] Explores sources and properties of light and its effect on seeing.

An experiment where light is shone through a bottle of water, and then milk added, to see how this affects the path the light takes (with links to articles on reflection and refraction that explain what is happening).

Chem4Kids! provides an overview of the symbols representing numerical values in chemical equations. Each symbol is defined and described.

Join Mathias as he takes care of the electrical problems in his uncle's office. Help him figure it out, and fix the lights.

[Free Registration/Login may be required to access all resource tools.] A science text for Grade 1. Section titles include: Me and My Shadow, How Do I See, My Features Can Help Me, Signals Light and Sound, Sky Patterns, Telescopes, The...

This interactive assessment features 6 matching, 6 multiple-choice, and 5 true/false question over 17 terms related to energy and their definitions. These include the following: Kinetic, Sound, Potential, Elastic potential, Chemical,...

In this interactive game, students match 17 terms related to energy with their definitions. These include the following: Kinetic, Sound, Potential, Elastic potential, Chemical, Gravitational Potential, Electrical, Light, Energy, Energy...

This set of interactive flashcards focuses on 17 terms related to energy and their definitions. These include the following types of energy: Kinetic, Sound, Potential, Elastic potential, Chemical, Gravitational Potential, Electrical,...

A series of pages explaining how microscopes work, the parts of a microscopes, the techniques of using a microscope, and other useful information.