Forces and paths
A path along which electric charges do not flow.
What is an open circuit?
Rubber is always a very good _____.
What is an insulator?
Silver is very good when used as this.
What is a conductor?
On this path electrical charges can flow freely and quickly
What is a closed circuit?
This type of material resists the flow of electrical charges.
What are insulators?
A device in which electrical current produces magnetism.
What is an electromagnet?
These are units of matter in electricity.
What are charges?
The force on an object that is directed toward the source (pull).
What is attract?
You can rub your hair with a balloon and this may be the result.
What is static electricity.
This is a force that backs away.
What is repel
More protons than electrons, attracts negative, repels positive
What is positive charges?
A path that electricity flows through is often called.
An electrical circuit.
More electrons , attracts negative
What is a negative charge?
This material allows electrical charges to pass through.
What is a conductor?
This is a huge electrostatic charge in our environment.
What is lightning?