Waves
Sound and energy transfers
Loudness and pitch
Detecting sound
:v
100

What is the frequency?

Is the number of waves that point per second.

100

Sounds needs a _____ to travel trough like __________

medium, solid, liquid or gas

100

How many Hz are 1 kHz?

1000 Hz


100

How do you measure sound intensity?

In decibels (dB).

100

How many pesos my keyboard costs?

$349

200

What is a wave?

Is an oscillation or vibration that transfers energy or information. It can also be an undulation on the surface of water.

200

Why the sound cannot travel through a vacuum?

Because the vacuum does not have air molecules to vibrate.

200

Does a soft sound transfers more energy than a loud?

No :,v

200

What are the steps to convert waves to sound?

Yes. is a lot. I am going to explain it if you have it bad.:v

200

How many Harry Potter books I have?

10.

300

State 2 types of waves.

Sound, light, motion of subatomic particles.

300

What is the sound barrier?

Is the aerodynamic phenomenons that happen when something is or pass the speed of the sound.

300

How can you make a high-pitched sound?

You need to make something vibrates faster.

300

Name at least 4 parts of the ear?

Pinna, auditory canal, ossicles, cochlea, semicircular canals, auditory nerve.

300

How many pieces the biggest LEGO have?

9090 and is the Titanic.

400

How is called the top of the wave.

Peak or crest.

400

Why does the sound travel faster in solids than in gas?

Because the particles in solids are closer so the vibration can pass faster than in gas.

400

How many hertz a hedhog can hear?

250-45000

400

State one way that your hear can be damaged temporary.

Ear infection.

400

How many Halo games are?

13.

500

How is a longitudinal wave.

The oscillation is parallel to the direction of a wave.

500

What is the speed of light?

300 000 000 m/s

500

On what the pitch of a note depend on?

On the frequency.

500

How are called the tiny hairs inside the cochlea in spanish?

Células ciliadas.

500

what happen when Gwen ask for Ben.

When Gwen le dice a Ben ven, ven Ben xdxdxdxdxdxdxd :v:v:v:v:v:v