CircuitsElectricity Magnetism Electromagnetism Conductor or Insulator?

You have a strand of Christmas lights, if one of the bulbs goes out and the circuit is broken, is this a Series or Parallel Circuit? 100

What is a Series Circuit?

The following picture is an example of what? 200

What is a Parallel Circuit?

DAILY DOUBLE Explain what will happen to Bulb 2, if Bulb 1 burns out.

DAILY DOUBLE Bulb 1 will stay lit & become brighter.

What is used as power source when creating a simple series or parallel circuit? 400

What is a battery?

Draw your own example of a parallel circuit. 500

POSSIBLE DRAWINGS:

Name the 4 types of electricity. 100

What are: Light, Sound, Heat, Magnetic Effects (Movement)?

200 Which type of electricity causes automatic sliding doors (like in grocery stores) to work?

What are Magnetic Effects?

Name three appliances that use heat as their form of electricity. 300

What are toasters, microwaves, electric ovens, electric dryer, etc.?

What other power source can create light besides electricity through an outlet? 400

What are batteries?

Name five devices that produce sound from their use of electricity. 500

What is a TV, Music Player, Computer, Alarm Clock, Speakers, Microphone, etc.?

True or False: All magnets have more than two poles. 100

What is False? (Magnets always have exactly two poles)

200 What will happen to the force between the two magnets if they are pulled farther apart? A. The force would be weaker. B.The force would be stronger. C.The force would stay unchanged. D.The force would reverse the poles.

What is A: the force would be weaker

In the picture above, explain what is happening to the magnets. 300

North-South poles are attracting one another and creating a magnetic pull in the field.

400 Name five items in the classroom that attract a magnetic field.

What are paperclips, whiteboards, chair legs, bookcases, front of teacher’s desk, etc.?

Name the three types of metal that are attracted to a magnetic field. 500

What are Iron, Nickel & Cobalt?

DAILY DOUBLE What is electromagnetism? 100 a) the combination of two magnets at their N- S pole connection. b) the interaction of magnetic fields and electric currents. c) the supply of electric current for the purposes of heat, sound, light & magnetic effects.

DAILY DOUBLE What is: b) the interaction of magnetic fields and electric currents.

The Earth acts as a giant magnet and has a magnetic field. This means the Earth also acts like a giant ____________. 200

What is an electromagnet?

The students conducted a test to learn how the number of wire loops affected the number of paper clips held by the electromagnet. The table below shows the results of the test. Based on the information in the table, which of the following is the best conclusion? a) Adding more wire loops makes an electromagnet weaker. b) Adding more wire loops makes an electromagnet stronger. c) Adding more wire loops makes an electromagnet use less electricity. d) Adding more wire loops makes an electromagnet use more electricity. 300

What is: b) Adding more wire loops makes an electromagnet stronger.

400 Which of the following would use an electromagnet? (a) ringing a doorbell (b) using a calculator (c) turning on a light bulb (d) turning on a circuit breaker

What is: (a) ringing a doorbell

500 Electromagnets are: (a) permanent magnets (b) temporary magnets (c) both (d) neither Support your answer!

What is b) temporary magnets Without electrical currents, the electromagnet will not work!

100 Which statement best explains the reason that electrical wires are made of copper? a) Copper is strong. b) Copper is flexible. c) Copper is a conductor. d) Copper is an insulator.

What is c) Copper is a conductor.

Materials that resist or stop the flow of electricity are called. ______________. 300

What are insulators?

Plastic? 300

What is an insulator?

Water in your body. 400

What is a conductor?

Why are insulators important to people?

Insulators are important to people because they protect us from shock when handling wires.