What are two types of materials we use to control electricity?
"Make observations to provide evidence that energy can be transferred from place to place by sound, light, heat, and electric currents."
Learning objective:
Insulators are materials that don't allow electricity to flow through them. Conductors are materials that allow electricity to flow through them. Knowing which is which helps us use electricity safely.
Insulators and Conductors: What's the Difference?
Insulators: Materials that don't allow electricity to flow through them. Conductors: Materials that allow electricity to flow through them. Electricity: Energy produced by the movement of electrons.
Concepts:
Rubber, glass and plastic are good insulators. Metals like copper, silver and gold are good conductors. Humans even act as insulators due to our skin's resistance to electricity!
Fun facts:
Work together in pairs: Name two examples of materials that are good insulators.
Work together in pairs: What materials are used as insulators and conductors?
Brain break: Draw a portrait of your favorite pet
Which of the following materials are insulators?
- Cotton
- Copper
- Aluminum
- Glass
Which of the following materials are conductors?
- Cotton
- Copper
- Aluminum
- Glass
Which of the following materials can be used to insulate a wire?
- Cotton
- Copper
- Aluminum
- Glass
Which of the following materials can be used to conduct electricity?
- Cotton
- Copper
- Aluminum
- Glass
Which of the following materials is not an insulator?
- Cotton
- Copper
- Aluminum
- Glass