Unit 3: Topic 1&2 Text Book Quest (Page 267-278)

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Unit 3: Topic 1
&2

Text Book Quest (Page
267
-
278
)

Please answer the following questions on a SEPARATE piece of paper


1.

When materials attract or repel each other, they are said to do what?

2.

What are3 ways that materials can become charged?

3.

What 2 things are
colliding and rubbing against each other in clouds during a thunderstorm?


5.

What do “coulombs” represent?

6.

A “neutral” charge means there are equal amounts of what?

7.

What material did Benjamin Franklin use when he discovered positive and negative charges?

8.

De
fine the term “insulator”

9.

Define the term “conductor”

10.

What makes a “fair conductor” different from a conductor?

11.

Using Table 4.1, list 2 examples EACH of a Good conductor, Fair Conductor, and Insulators

12.

How does a “semi
-
conductor” differ from a conductor or

insulator

13.

What is 1 example of a semiconductor and the material that has been added to it?

14.

What is a “superconductor”

15.

Where are 2 places that superconductors are commonly used?

16.

Why are superconductors often a better choice than regular conductors?

17.

On page

273, what are the 4 basic components in an electrical circuit

18.

What are 3 of the 5 criteria used when drawing an electrical circuit?

19.

In Table 4.3, what is the current in a Colour Television, Toaster, and Electric Kettle?

20.

What tool is used to measure larger

currents?

21.

What exactly does a battery do to electrons? (be specific, @ both the positive and negative terminals)

22.

What are all forms of energy measured in?

23.

Who was the “volt” named for? Why was this man famous?

24.

On page 277, what are the 4 components used
in the electrical circuit

25.

Draw a circuit diagram using symbols. Include a battery, switch, lamp, ammeter, and conducting wires.
Add arrows to show the direction of the flow of electrons. Describe the function of each part of the
circuit

26.

Why can electrica
l current be compared to a river or stream?

27.

Why can a 9V battery be compared to a large waterfall, while a 1.5V battery is comparable to a small
trickle of water going downhill?

Choose an electrical genius! (grab a computer


)

Thomas Edison, Benjamin Franklin or Michael Faraday, are good choices as they all made important
contributions to electrical science.

28.

When and where was the scientist born?




29.


What was his life like? (Interests, school, family, etc.)




30. What
experiments did he conduct with electricity?



___________________________________________________________________________________

31.


What discoveries/inventions did the scientist make?



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_________________