Khan Academy
Khan Academy: Resonance in a Tube
Read the passage "Resonance in a Tube" and complete the five-question quiz to test your knowledge of sound.
Science and Mathematics Initiative for Learning Enhancement (SMILE)
Smile: Electromagnets (Grades 3 and 4)
This lesson helps students to understand the difference between magenets and electromagnets. They will also create an electromagnet.
ClassFlow
Class Flow: Electricity
[Free Registration/Login Required] Students can use this Flipchart to learn and apply Ohm's law to basic circuitry problems. Students are introduced to the relationship among voltage, current, and resistance, and then apply their newly...
Khan Academy
Khan Academy: What Is Faraday's Law?
Do you know how to induce an electromotive force? This reference page will help you understand why Faraday's law mean and how to use it.