Science Assessment 2

____________ is a code used to transfer information using dots and dashes (long and short signals) to represent a letter, number or special character.

• Bar code

• Binary code

• Morse code

• QR code

a pattern of dots and dashes, each one making up a letter or number

• Morse code

• binary code

• pixels

• bits

What invention made it possible to communicate across long distances with electricity and Morse code?

• telephone

• telegraph

• television

• email

This form of communication is...

• Morse code

• Radio

• Text message

To share information is to

• source

• pattern

• communicate

• energy

Something we observe to be similar over and over again

• Pattern

• Music

• Sound

• Energy

______ can be used to transmit information. 

• Heat

• Patterns

• Senses

• Digital

Computers use ____ code to transmit information.

All of the following ways can be used to communicate between people except...

• reading
• writing
• speaking
• flying

What do patterns, waves and energy all have in common?

• things we learned in third grade

• All are needed for communication

• All can be destroyed