Understanding Waves and Communication

Movements that carry energy from one place to another:

• Wavelength

• Waves

• Crest

• Though

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What is energy?

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What do sound waves move through?

• only water

• cannot travel through water

• air, water, wood

• only air

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Waves that include _____ waves, microwaves, and visible light.

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What is is the exchange of information between individuals or groups?

• Senses

• Amplitude

• Environment

• Communication

What is Morse code used for?

Match cards:

• Signal

• A long signal or sound.

• Dash "/"

• A message sent using waves.

• Dot "."

• A short signal or sound.

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What is a flashlight?

• A flashlight is a portable device that emits light.

• A flashlight is a type of camera.

• A flashlight is a kind of food.

• A flashlight is a musical instrument.

What is a telegraph?

• A telegraph is a system for transmitting messages over long distances using coded electrical signals.

• A telegraph is a device for measuring temperature.

• A telegraph is a form of visual communication using smoke signals.

• A telegraph is a type of musical instrument.

What is a ship?

• A ship is a large watercraft designed for maritime travel.

• A ship is a land vehicle used for transportation.

• A ship is a small boat used for fishing.

• A ship is a type of aircraft designed for flying.