Show:
Waves
Picture Perfect
Dashes and Dots
Then versus now
Reading Codes
100
The way a TV remote sends a signal to the TV.

What is light waves?

100

The original Pac-Man was not perfectly circular because of this.

What is not enough pixels on the TVs?

or

What is smaller processors needed smaller codes?

100

This person created a code of dashes and dots.

Who is Samuel Morse.

100

In the 90's to surf the internet computers had to be connected to this.

What is a phone line?

100

11101

What is 29?

16+8+4+0+1=29

200

These types of waves carry a Morse code message from a flashlight.

What are light waves?
200

An image with more pictures will have a higher this.

What is resolution?

200

This machine used a battery, an electromagnetic, a Morse key, and cables to send messages.

What is a telegraph?

200

In the past we used code to send secret messages, now this code is used to send all digital information.

What is Binary Code?

200

stand

   I

What is "I understand?"

300

These types of waves are sent from spaceships and satellites.

What are radio waves?

300

The more of these the better the picture will look.

What are pixels?

300

This is a common message sent ... _ _ _ ...

What is S O S?

300

Now we have cell phone towers to relay or calls, then we had these ______.

What are telephone poles and wires?

300

A=1  B=2  C=3 and so on until Y=25  Z=26


7 15  19 5 1 23 15 12 22 5 19!

What is "Go Seawolves!"

400

These are the waves we hear.

What are sound waves?

400

My digital camera saves my pictures in this code.

What is binary code?

400

This is a way Morse code can be sent using light.

What is by flashlights?

What is by using signal mirrors?

What is by using light switches?

400

Now we have alerts on phones to announce important times and meetings before they used these.

What are church bells?

What are drums?

400

I am

Standard

What is "I am above standard?"

500

Cell phones convert ________ waves into ______  waves.

What are sound waves into radio waves?

500

To blur images on TV people do this.

What is pixalate items?

500

A number in Morse code is made up of this number of dashes and/or dots.

What is 5?

500

The German used these to send secret messages during WWII.

What are Enigma machines?

500

A=1  B=2  C=3 and so on until Y=25  Z=26

and something else.

5 12 15 15 16 . 19 13

What is "Ms. Poole?"