Science Test 1

Question 1

Highest point of a wave

Answer 1

Crest

Question 2

Lowest point of a wave

Answer 2

Trough

Question 3

Measurement from crest to crest or trough to trough

Answer 3

Wavelength

Question 4

How much energy a wave carries

Answer 4

Amplitude

Question 5

Number of waves per second

Answer 5

Frequency

Question 6

Any disturbance that transmits energy through matter or empty space

Answer 6

Waves

Question 7

When two waves mix together

Answer 7

Interface

Question 8

Substance through which waves can travel

Answer 8

Medium

Question 9

What a wave transfers

Answer 9

Energy

Question 10

Send as to continuous wave

Answer 10

Analog

Question 11

Send as wave pulses

Answer 11

Digital

Question 12

Sent as binary code, ones and zeros

Answer 12

Digital

Question 13

Used in an old record player when a needle follows a groove

Answer 13

Analog

Question 14

Preserves the original shape of a sound wave

Answer 14

Analog

Question 15

Holds more information and transfers, information faster, and easier

Answer 15

Digital

Question 16

Can become distorted when components wear down, and can also become distorted when waves travel through medium or over long distances

Answer 16

Analog

Question 17

Media can break and become outdated

Answer 17

Digital

Question 18

If an amplitude is low, what is the energy?

Answer 18

Low

Question 19

If an amplitude is high, what is the energy?

Answer 19

High

Question 20

How are amplitude and energy related?

Answer 20

Normally an increase in amplitude result in an increase in energy

Question 21

What kind of signal is stair stepped

Answer 21

Digital

Question 22

What kind of signal is smooth?

Answer 22

Analog

Question 23

What does having bigger pixels mean?

Answer 23

Less information and worse quality

Question 24

What does having smaller pixels mean?

Answer 24

More information and better quality