1st Grade Science Flashcards: Testing Communication Devices

Study Testing 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 the message was sent from a walkie-talkie?

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ANSWER

The device transmits while you press the talk button. The button activates the transmitter to send signals.

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1st Grade Science: Waves: Light and Sound

How Materials Affect Light56 cards

Improving Communication Devices74 cards

Investigating Vibrating Materials50 cards

Light Is Needed to See40 cards

Materials Change Light40 cards

Objects Need Light71 cards

Observing Light and Visibility54 cards

Questioning Vibration and Sound79 cards

Sound Makes Materials Vibrate53 cards

You are hereTesting Communication Devices40 cards

Testing Light and Materials58 cards

All flashcards

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What this deck covers

This deck focuses on Testing 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 43Practice questions for this set

Read Chen's drum code tests: 3 fast taps=stop machines. Plan: Can workers hear over noise? Test 1: loud machines—5/5 heard, SUCCESS. Test 2: very loud—4/5 heard, MOSTLY WORKED. Test 3: drum in center—5/5 heard, SUCCESS. What could make the device work better?

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