A form of electricity in which electrical charges collect on a surface.
What is static electricity?
Materials through which electricity can easily flow.
What is a conductor?
A path through which electricity flows.
What is a circuit?
A coil of wire through which electric current can flow.
What is electromagnet?
In 600 B.C. Thales is the first person to record ideas about ________.
What is static electricity?
A form of electricity in which electrical charges move from one place to another.
What is current electricity?
Silver, copper, gold and aluminum.
What are best conductors for electricity?
The circuit is ______ when you turn the switch to "on."
What is closed?
Electrical energy can transform or change ______, ______, ______, ______.
What is light, heat, motion and sound?
He discovers that lightning is actually static electricity.
Who is Ben Franklin?
All matter is made up of particles that have ________.
What is electrical charges?
This slows down or stops electricity.
What is an insulator?
The switch is turned to "off" when the path is _______.
What is open?
Examples of electrical energy transformed into motion in your kitchen.
What are electric oven, toaster, dishwasher, refrigerator, ....?
Dr. Adam Osborne invents the first ____________.
What is the personal computer?
Electrical charges can be either positive or _______.
What is negative?
Glass, plastic, rubber
What are insulators?
The electricity flows in one path.
What is a circuit?
Electricity can cause _______ that make sound.
What is vibration?
Grace Murray Hopper, a Navy officer is the first woman ______________.
What is computer scientist?
Two objects will _______ each other, or ________ away from one another, if they have like charges.
What is repel? What is push?
Electricity flows easily through _________ wire.
What is copper?
Electric current can follow more than one path.
What is parallel circuits?
Electricity transforms into _______ to make music.
What is sound?
____________ were first available in 2007.
What are electronic books?