Sound Light Elec

Question 1

Amplitude

Answer 1

The height of a wave from the rest position

Question 2

Frequency

Answer 2

Number of complete waves that pass a fixed point in a given time

Question 3

Refraction

Answer 3

The bending of waves as they enter a new medium

Question 4

Doppler effect

Answer 4

The apparent change in frequency of a wave as the source moves in relation to the observer

Question 5

Resonance

Answer 5

When any object is struck by a wave that matches it’s natural frequency, the object will vibrate (tuning forks and earth quake)

Question 6

Pitch

Answer 6

How high or low a sound seems to an observer

Question 7

Order of electromagnetic spectrum

Answer 7

Radio waves
Microwaves
Infrared waves
Visible light
Ultraviolet rays
X-rays
Gamma rays

Question 8

Polarizing filters

Answer 8

Block all angles of light waves not parallel to the filter

Question 9

Current

Answer 9

Continuous flow of electrons measured in Amps

Question 10

Voltage/potential difference

Answer 10

The difference in electrical potential in a circuit measured in colts

Question 11

Resistance

Answer 11

Opposition to the flow of a current measured in ohms

Question 12

What is the ohms law equation

Answer 12

V=I•R

Question 13

Series circuit

Answer 13

Only one continuous path for electricity to travel

Question 14

Parallel circuit

Answer 14

Multiple paths for electricity to take

Question 15

Factors affecting resistance

Answer 15

Diameter of a wire
Length of a wire
Temp of a wire
Type of material of a wire

Question 16

Thick wire

Answer 16

Less resistance

Question 17

Little wire

Answer 17

Less resistance

Question 18

Hot wire

Answer 18

More resistance

Question 19

What has more total resistance

Answer 19

Series circuit

Question 20

What is constant in a parallel circuit

Answer 20

Voltage

Question 21

What is constant in a series circuit

Answer 21

Current

Question 22

Galvani

Answer 22

Stumbled upon electricity by dissecting frog

Question 23

Volta

Answer 23

Used galvanis research to make first battery

Question 24

First battery

Answer 24

Zinc, paper soaked in salt water

Question 25

Electrode

Answer 25

Piece of metal sitting in electrolyte

Question 26

Electrolyte

Answer 26

Substance,liquid or paste, that conducts electric current

Question 27

Terminal

Answer 27

The part of the electrode that sticks out of the electrolyte

Question 28

Battery

Answer 28

A combination of 2 or more electrochemical cells

Question 29

Wet cell

Answer 29

Electrolyte is liquid

Question 30

Dry cell

Answer 30

Electrolyte is a paste

Question 31

How do u find current in a series circuit

Answer 31

Add all resistance then divide by given voltage

Question 32

Wavelength

Answer 32

The distance from the identical parts of a wave