Communication Problems With Light/Sound - 1st Grade Science
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Which option is better for communicating “help” from another room: flashing a light or yelling?
Which option is better for communicating “help” from another room: flashing a light or yelling?
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Yelling (a sound signal). Sound travels through walls when light cannot.
Yelling (a sound signal). Sound travels through walls when light cannot.
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Which option is a common communication tool that uses light: flashlight or drum?
Which option is a common communication tool that uses light: flashlight or drum?
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Flashlight. Flashlights produce light beams for visual signaling.
Flashlight. Flashlights produce light beams for visual signaling.
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What is a sound signal (as used for communication)?
What is a sound signal (as used for communication)?
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A message sent using sound, such as a bell, whistle, or voice. Sound waves carry information through air to our ears.
A message sent using sound, such as a bell, whistle, or voice. Sound waves carry information through air to our ears.
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What is a light signal (as used for communication)?
What is a light signal (as used for communication)?
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A message sent using light, such as a flashlight blink. Light carries information visually, like flashes or patterns.
A message sent using light, such as a flashlight blink. Light carries information visually, like flashes or patterns.
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Which option is a common communication tool that uses sound: whistle or mirror?
Which option is a common communication tool that uses sound: whistle or mirror?
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Whistle. Whistles create loud sounds that travel far.
Whistle. Whistles create loud sounds that travel far.
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Which communication problem is best solved with sound: dark room or very noisy room?
Which communication problem is best solved with sound: dark room or very noisy room?
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Dark room. Sound travels through darkness when light cannot be seen.
Dark room. Sound travels through darkness when light cannot be seen.
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Which communication problem is best solved with light: foggy air or very noisy room?
Which communication problem is best solved with light: foggy air or very noisy room?
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Very noisy room. Light signals work when sound cannot be heard over noise.
Very noisy room. Light signals work when sound cannot be heard over noise.
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Identify the best signal to communicate across a playground when people are loud: clapping or waving arms.
Identify the best signal to communicate across a playground when people are loud: clapping or waving arms.
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Waving arms (a light/visual signal). Visual signals work best when sound is drowned out.
Waving arms (a light/visual signal). Visual signals work best when sound is drowned out.
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Identify the best signal to communicate when you cannot see the other person: waving or calling out.
Identify the best signal to communicate when you cannot see the other person: waving or calling out.
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Calling out (a sound signal). Sound reaches people even when they're not looking.
Calling out (a sound signal). Sound reaches people even when they're not looking.
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Which option describes a light-based solution to a communication problem: traffic light or school bell?
Which option describes a light-based solution to a communication problem: traffic light or school bell?
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Traffic light. Traffic lights use colored lights to communicate rules.
Traffic light. Traffic lights use colored lights to communicate rules.
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Which option describes a sound-based solution to a communication problem: fire alarm siren or stop sign?
Which option describes a sound-based solution to a communication problem: fire alarm siren or stop sign?
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Fire alarm siren. Sirens use loud sounds to alert people of danger.
Fire alarm siren. Sirens use loud sounds to alert people of danger.
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What communication problem does a traffic light help solve at an intersection?
What communication problem does a traffic light help solve at an intersection?
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It tells drivers when to stop or go to avoid confusion and crashes. Light signals organize traffic flow safely at busy crossings.
It tells drivers when to stop or go to avoid confusion and crashes. Light signals organize traffic flow safely at busy crossings.
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What communication problem does a school bell help solve during the school day?
What communication problem does a school bell help solve during the school day?
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It tells students when to start, stop, or change activities. Sound signals coordinate schedules across large buildings.
It tells students when to start, stop, or change activities. Sound signals coordinate schedules across large buildings.
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Which option is a light signal used to warn others: blinking hazard lights or humming?
Which option is a light signal used to warn others: blinking hazard lights or humming?
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Blinking hazard lights. Flashing lights grab attention to signal caution.
Blinking hazard lights. Flashing lights grab attention to signal caution.
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Which option is a sound signal used to warn others: smoke alarm beep or colored flag?
Which option is a sound signal used to warn others: smoke alarm beep or colored flag?
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Smoke alarm beep. Loud beeps alert people to danger they can't see.
Smoke alarm beep. Loud beeps alert people to danger they can't see.
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