1. Science Sprint #2 Electricity and Magnetism
Which will light a bulb, an open or a closed circuit?
Science Sprint #2: Electricity/Magnetism 4A
A comb is rubbed with a piece of wool fabric and placed next to some scraps of paper. The paper moves toward the comb. The movement of the paper is caused by:
Many electrical wires are wrapped with a plastic coating because plastic is _____.
Science Sprint #2: Electricity/Magnetism 1A
Science Sprint #2: Electricity/Magnetism 5A
Static electricity occurs when negatively charged _____ are rubbed off of one surface and onto another.
Electrical energy moves easily through materials called _____.
Science Sprint #2: Electricity/Magnetism 2A
Science Sprint #2: Electricity/Magnetism 6A
Benjamin Franklin learned that lightning was a form of what kind of electricity?
An example of a material that is a good conductor of electricity is:
Science Sprint #2: Electricity/Magnetism 3A
Science Sprint #2: Electricity/Magnetism 7A

2. closed circuit a good insulator static electricity. conductors
Science Sprint #2: Electricity/Magnetism 4B
a good insulator
static electricity.
Science Sprint #2: Electricity/Magnetism 5B
Science Sprint #2: Electricity/Magnetism 1B
conductors
electrons
Science Sprint #2: Electricity/Magnetism 6B
Science Sprint #2: Electricity/Magnetism 2B
metal
static electricity
Science Sprint #2: Electricity/Magnetism 7B
Science Sprint #2: Electricity/Magnetism 3B

3. Who invented the light bulb?
Wires are usually made from _____ because it conducts electricity well.
Who invented the light bulb?
Science Sprint #2: Electricity/Magnetism 8A
Science Sprint #2: Electricity/Magnetism 12A
If your string of holiday lights goes dark when one little bulb burns out, the string of lights is a _____.
The path taken by an electric current is called a _____.
Science Sprint #2: Electricity/Magnetism 9A
Science Sprint #2: Electricity/Magnetism 13A
If a circuit has more than one pathway for the flow of electrical current, it is a _____. This means that when one bulb burns out, the others will remain lit.
A dry cell is another name for a _____.
Science Sprint #2: Electricity/Magnetism 10A
Science Sprint #2: Electricity/Magnetism 14A
Which of these groups contains items that could all conduct electricity to complete the circuit?
Rubber ball, plastic comb, nail
Paper clip, penny, screw
Cork, dollar bill, tweezers
Pencil, eraser, spoon
This is a dry-cell battery. Common dry-cells usually have low _____.
Science Sprint #2: Electricity/Magnetism 11A
Science Sprint #2: Electricity/Magnetism 15A

4. Thomas Edison copper series circuit circuit parallel circuit battery
Science Sprint #2: Electricity/Magnetism 12B
Science Sprint #2: Electricity/Magnetism 8B
series circuit
circuit
Science Sprint #2: Electricity/Magnetism 13B
Science Sprint #2: Electricity/Magnetism 9B
parallel circuit
battery
Science Sprint #2: Electricity/Magnetism 14B
Science Sprint #2: Electricity/Magnetism 10B
Paper clip, penny, screw
(The are all metal)
voltage (1.5v or 9v)
Science Sprint #2: Electricity/Magnetism 15B
Science Sprint #2: Electricity/Magnetism 11B

5. Magnets attract these metals: _____, _____, _____ and _____.
An electric current creates a magnetic field, and a magnetic field creates an _____.
Magnets attract these metals: _____, _____, _____ and _____.
Science Sprint #2: Electricity/Magnetism 16A
Science Sprint #2: Electricity/Magnetism 20A
If you wrap wire around a nail and run electricity through the wire, you have created an_____.
Who was the first person to produce an electric current from a magnetic field?
Science Sprint #2: Electricity/Magnetism 17A
Science Sprint #2: Electricity/Magnetism 21A
The picture shows the results of an experiment with an electromagnet. If the magnet had FIVE turns of wire, how many pins would it probably pick up?
Electromagnets are useful because they can be _____. This is especially helpful when moving metal objects in a junkyard.
Science Sprint #2: Electricity/Magnetism 18A
Science Sprint #2: Electricity/Magnetism 22A
Energy stored in batteries is what type of energy?
Magnetism and _____ are very closely related.
Science Sprint #2: Electricity/Magnetism 19A
Science Sprint #2: Electricity/Magnetism 23A

6. iron, steel, cobalt, nickel
electric current
Science Sprint #2: Electricity/Magnetism 20B
Science Sprint #2: Electricity/Magnetism 16B
electromagnet
Michael Faraday
Science Sprint #2: Electricity/Magnetism 21B
Science Sprint #2: Electricity/Magnetism 17B
turned on and off
9 pins
Science Sprint #2: Electricity/Magnetism 22B
Science Sprint #2: Electricity/Magnetism 18B
chemical energy
electricity
Science Sprint #2: Electricity/Magnetism 23B
Science Sprint #2: Electricity/Magnetism 19B

7. Where are the magnetic fields of any magnet the greatest?
Do objects with a build-up of LIKE charges attract or repel one another?
Where are the magnetic fields of any magnet the greatest?
Science Sprint #2: Electricity/Magnetism 24A
Science Sprint #2: Electricity/Magnetism 28A
Do objects with a build-up of OPPOSITE charges attract or repel one another?
The only time an electromagnet is magnetic is when:
Science Sprint #2: Electricity/Magnetism 25A
Science Sprint #2: Electricity/Magnetism 29A
A device that completes or breaks the path a current can follow in an electric circuit without disconnecting any wires is a _____.
A device that produces electrical energy from the motion of a magnet is a _____.
Science Sprint #2: Electricity/Magnetism 26
Science Sprint #2: Electricity/Magnetism 30A
_____ sprinkled over a bar magnet will show the lines of force created by the magnetic field.
Science Sprint #2: Electricity/Magnetism 27A
Science Sprint #2: Electricity/Magnetism 31A

8. electricity is running
repel
at the poles
Science Sprint #2: Electricity/Magnetism 28B
Science Sprint #2: Electricity/Magnetism 24B
attract
electricity is running
through it.
Science Sprint #2: Electricity/Magnetism 2B
Science Sprint #2: Electricity/Magnetism 25B
switch
generator
Science Sprint #2: Electricity/Magnetism 30B
Science Sprint #2: Electricity/Magnetism 26B
Iron filings
Science Sprint #2: Electricity/Magnetism 31B
Science Sprint #2: Electricity/Magnetism 27B

9. What are the dry cell symbols?
Science Sprint #2: Electricity/Magnetism 32A
Science Sprint #2: Electricity/Magnetism 33A
_____ circuits allow the movement of electrical energy
_____ circuits prevent the movement of electrical energy
Science Sprint #2: Electricity/Magnetism 34A
Science Sprint #2: Electricity/Magnetism 35A
What is the pathway taken by an electric current?
A continuous flow of negative charges (______) creates an electric current.
Science Sprint #2: Electricity/Magnetism 36A
Science Sprint #2: Electricity/Magnetism 37A
What does the magnetic field look like?
Compare and contrast a permanent magnet and an electromagnet.
Science Sprint #2: Electricity/Magnetism 38A
Science Sprint #2: Electricity/Magnetism 39A

10. Number of paperclips the magnet can attract (-) negative (+) positive
Science Sprint #2: Electricity/Magnetism 33B
Science Sprint #2: Electricity/Magnetism 32B
closed
open
Science Sprint #2: Electricity/Magnetism 35B
Science Sprint #2: Electricity/Magnetism 34B
electrons
circuit
Science Sprint #2: Electricity/Magnetism 37B
Science Sprint #2: Electricity/Magnetism 36B
Permanent Magnets
Electromagnets
-always on
-does not require power
-cannot vary the strength of the magnet
-can be turned on and off
-require power
-can vary the strength of the magnet
-produces a magnetic field
-has a north and south pole
An arched pattern
Science Sprint #2: Electricity/Magnetism 39B
Science Sprint #2: Electricity/Magnetism 38B