4th Sci - How do you send a secret code?

A system of words, letters, or other symbols that stand for other words, letters, or symbols.

• decode

• pattern

• code

• electricity

A form of energy, such as what usually powers light bulbs.

• coal

• electricity

• sound

• transfer

Vibrations that you can usually hear with your ears.

• sound

• communicate

• engineer

• inventor

Who invented the Morse Code?

• Samuel Slater

• Morse Slater

• Samuel Morse

• Morse Samuel

to exchange information

• pattern

• sound

• communicate

• decode

to take a code and change it to a different form that can be understood

• decode

• transfer

• pattern

• electricity

a machine used in the past to send a series of dots and dashes as a way to talk to another person

• transfer

• Telephone
• decode

• Telegraph

A person who uses science to come up with solutions to problems.

• teacher

• engineer

• light bulb

• inventor

something that happens again and again and again in a way that can be predicted

• pattern

• communicate

• decode

• sound

to move from one place to another

• telegraph

• code

• transfer

• electricity