Show:
Electric Charges and their movement
Going With the Flow
Circuits and Such!
Magnets & Vocabulary
Calculating....
100
The tiny building blocks of everything
What are atoms?
100
This subatomic particle flows through the wire when an electric field is present.
What is an electron
100
This is the object that closes and opens the current in a circuit.
What is a switch.
100

an electromotive force or potential difference expressed in volts.

What is voltage!

100

A 6 volt battery produces a current of 0.5 amps.  What is the power in the circuit?

3 watts

200
The same number of positive particles as negative particles. (charge)
What is neutral?
200
this is a path in which electric charges can flow.
What is an electric circuit.
200

This is the SI unit of electric current.

What is A, amps, or Amperes?

200
Every magnet has two of these!
What are magnetic poles
200

What is the current produced with a 9 volt battery through a resistance of 100 ohms?

0.09 A

300

When you have two charged objects, one positive and one negative

What is static electricity?

300
Name things (2) that electrons flow easily through. Examples
What is wire, metal poles, anything metal.
300

Draw an example of a parallel circuit

[photo]

300
This is a current carrying wire wrapped around an iron core
What is electromagnet
300

An overhead wire has a potential difference of 2,000 volts.  If the current flowing through the wire is one million amps, what is the resistance of the wire?

0.002 Ohms

400
An electric charge in motion. (electrons in motion)
What is an electric current?
400

Name at least 2 examples of things that could slow the flow of electrons in a circuit.

wood plastic rubber

400
In this circuit, devices are connected so there is only 1 closed path for current to follow.
What is series
400

These are the three elements that can be magnetized

What are iron, cobalt, and nickel?

400

The power rating on a toaster is 1,800 W.  The toaster is plugged into a 120 volt source of electricity.  How many amps of current does the toaster have?

15 A

500
When there is a break in a circuit. It can be called a _________ circuit.
What is an open circuit?
500
Electrons flow from the ______ terminal to the ________ terminal. (think about a battery)
What is negative to positive.
500
This is a circuit where there is more than one close path for a current to follow.
What is parallel
500

This is how you can increase the strength of an electromagnet (besides increasing the current or using an iron core)

What is increasing the number of coils?

500

What happens to the current if the voltage is doubled and resistance remains unchanged? 

Current is doubled