Electricity and Other Forms of Energy Assessment

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1

insulator

Electricity canâ€™t go through.

2

conductor

Allowed the electricity to go through.

3

Name 2 good conductors of electricity.

metal, copper, aluminum foil, iron, brass

4

Name 2 poor conductors of electricity.

Wood, cotton, rubber, paper, cloth

5

Why are humans good conductors of electricity?

Electricity moves quickly through water - and the human body is 70 percent water!

6

What is static electricity?

Static electricity is a stationary electric charge that is built up of charge on a material. A common example of static electricity is the slight electrical shock that we can get when we touch a doorknob during dry weather.

7

If the lights are on in the classroom, is the circuit open or closed?

CLOSED

8

If the lights are off in the classroom, is the circuit open or closed?

OPEN

9

When electricity has more than one path to follow, which type of circuit is it?

Parallel

10

Draw an open circuit.

11

Draw a closed circuit.

12

In class we built a circuit, then unscrewed the light bulb but the light bulb stayed lit, we knew it was which type of circuit?

Parallel

13

When we built a circuit, then unscrewed the light bulb and the light bulb went out, we knew it was which type of circuit?

Series

14

Draw a series circuit.

15

Draw a parallel circuit.

16

What is an alternative energy source. Give an example and explain how it is used.

Energy that is not popularly used and is usually environmentally sound, such as solar or wind energy (as opposed to fossil fuels). Wind turbines can be used to generate electricity.

17

Where are electrons located in the atom?

Outside of the nucleus. They orbit the nucleus.

18

True or False. Same charges like + + attract each other.

False

19

Is solar energy considered an alternative energy source?

YES

20

What are the four forms of energy?

1. Heat
2. Light
3. Sound
4. Electricity

21

Change is evidence that energy is being ______________________.

transferred

22

What type of energy runs through wires?

Electricity

23

The sun is our main source of _______ energy?

Heat

24

Sound is made by __________________, which stir up air molecules.

waves

25

Celsius Rhyme

Celsius Rhyme

Thirty's hot
Twenty's nice
Ten's cold
Zero's ice

26