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1st Grade Science Flashcards: Improving Communication Devices

Study Improving Communication Devices in 1st Grade Science with focused flashcards that help you recognize the idea, recall the key rule, and apply it in practice-style prompts.

QUESTION

Which option best shows you used evidence to improve a device?

Tap card or press Space to flip

ANSWER

You changed it because the test showed a specific problem. Evidence-based changes address specific test findings.

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1st Grade Science: Waves: Light and Sound

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What this deck covers

This deck focuses on Improving Communication Devices, giving you a quick way to review the definitions, rules, and examples that matter most for 1st Grade Science.

How to use these flashcards

Work through these flashcards in short sessions. Try to answer each prompt before flipping the card, then revisit any cards you miss until the explanation feels automatic.

Practice questions

1 of 29Practice questions for this set
Read how Chen improved his drum code. Original: 3 fast taps meant "stop." Test showed one worker near a loud saw could not hear the drum because the saw was too loud. Chen added a tall pole with a red flag and waved it with 3 taps. New test: all workers saw the red flag and stopped. What did Chen learn from testing that led to improvement?
Choose an answer

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