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Physical Science > Sound Light Elec > Flashcards

Sound Light Elec Flashcards

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Biology 101 flashcards
1
Q

Amplitude

A

The height of a wave from the rest position

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2
Q

Frequency

A

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

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3
Q

Refraction

A

The bending of waves as they enter a new medium

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4
Q

Doppler effect

A

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

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5
Q

Resonance

A

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

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6
Q

Pitch

A

How high or low a sound seems to an observer

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7
Q

Order of electromagnetic spectrum

A 
Radio waves
Microwaves
Infrared waves
Visible light
Ultraviolet rays
X-rays
Gamma rays
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8
Q

Polarizing filters

A

Block all angles of light waves not parallel to the filter

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9
Q

Current

A

Continuous flow of electrons measured in Amps

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10
Q

Voltage/potential difference

A

The difference in electrical potential in a circuit measured in colts

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11
Q

Resistance

A

Opposition to the flow of a current measured in ohms

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12
Q

What is the ohms law equation

A

V=I•R

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13
Q

Series circuit

A

Only one continuous path for electricity to travel

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14
Q

Parallel circuit

A

Multiple paths for electricity to take

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15
Q

Factors affecting resistance

A

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

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16
Q

Thick wire

A

Less resistance

17
Q

Little wire

A

Less resistance

18
Q

Hot wire

A

More resistance

19
Q

What has more total resistance

A

Series circuit

20
Q

What is constant in a parallel circuit

A

Voltage

21
Q

What is constant in a series circuit

A

Current

22
Q

Galvani

A

Stumbled upon electricity by dissecting frog

23
Q

Volta

A

Used galvanis research to make first battery

24
Q

First battery

A

Zinc, paper soaked in salt water

25
Q

Electrode

A

Piece of metal sitting in electrolyte

26
Q

Electrolyte

A

Substance,liquid or paste, that conducts electric current

27
Q

Terminal

A

The part of the electrode that sticks out of the electrolyte

28
Q

Battery

A

A combination of 2 or more electrochemical cells

29
Q

Wet cell

A

Electrolyte is liquid

30
Q

Dry cell

A

Electrolyte is a paste

31
Q

How do u find current in a series circuit

A

Add all resistance then divide by given voltage

32
Q

Wavelength

A

The distance from the identical parts of a wave

Physical Science (2 decks)

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