Other stuff

Question 1

What is sound is a form of?

Answer 1

Sound is a form of energy

Question 2

What type of energy is sound?

Answer 2

mechanical kinetic energy of matter

Question 3

Why do sound waves move through matter?

Answer 3

because the vibrating molecules of matter bump into other molecules and the vibration is transferred

Question 4

how is sound is produced?

Answer 4

Sound is produced by vibrations in matter.

Question 5

why do we hear sounds?

Answer 5

We hear sounds because vibrating air hits our eardrums and they vibrate.

Question 6

If there is no matter to vibrate can sound be transferred?

Answer 6

No

Question 7

If a guitar string vibrates 500 times in one second What is the frequency in Hz?

Answer 7

500 Hz

Question 8

What determines the pitch of the sound?

Answer 8

Frequency.

Question 9

The higher the frequency the ____ the pitch.

Answer 9

Higher

Question 10

The lower the frequency the ____ the pitch.

Answer 10

lower

Question 11

How do you find the speed of sound? (The equation)

Answer 11

Speed of sound = wavelength x frequency.

Question 12

speed of sound is _____ in air

Answer 12

constant

Question 13

Does the speed of sound change if the frequency or wavelength changes?

Answer 13

No

Question 14

About how many meters/sec is the speed of sound in air?

Answer 14

344

Question 15

does the speed of sound changes in different types of matter?

Answer 15

Yes

Question 16

Fill in the blanks—- Liquid, solid, gas

The speed of sound is fastest in _____ slower in _____ and slowest in _____.

Answer 16

The speed of sound is fastest in solid slower in liquid and slowest in gas.

Question 17

The denser the object the _____ the speed of sound.

Answer 17

Faster

Question 18

When a sound waves move from one medium (different type of matter) to another does it change speed.

Answer 18

Yes