Let's build something -- a string phone

 Who invented the telephone in 1876?

• Gwen Thurston

• Abraham Lincoln

• Adriano Verson

• Alexander Graham Bell

A way of communication using dots and dashes.

• Mom's code

• Morse code

• More coats

 

The Morse code’s letters and numbers are a sequence of short and long pulses

which would be thought of as __________

• Slashes and apostrophes

• Dots and commas

• Dots and dashes

• Semicolons and dots

Which way is NOT use for Morse code?

• Blinking

• Dance

• Sound

• Light

What famous code was designed by a man named Samuel Morse?

• Ala mode code

• Horse code

• More coat

• Morse code

When vibrations travel through the _______ and reach our ears, we

hear the sound.

• Air

• Water

• Land

• Sky

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

Ships still use _______ to send Morse codes.

• Music

• Arrows

• Light

• Limes

What does a vibrating object produce?

answer choices

Sound

Light

Movement

Energy

• Sound

• Light

• Movement

• Nothing

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

We use this when we want long-distance communication.

answer choices

Telephone

Speaker

Amplifier

Microphone

• Microphone

• Amplifier

• Telephone

• Speaker

Tags

NGSS.MS-PS4-3

What invention change the way we communicate with others?

• Letters

• Telephone

• Screaming

• Dancing