Middle School Physical Science Flashcards: Build And Test Heat Device

Study Build And Test Heat Device in Middle School Physical Science with focused flashcards that help you recognize the idea, recall the key rule, and apply it in practice-style prompts.

QUESTION

Identify the dominant heat transfer method across a vacuum gap: conduction, convection, or radiation.

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ANSWER

Radiation. Only electromagnetic waves can cross empty space.

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Middle School Physical Science: Energy

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This deck focuses on Build And Test Heat Device, giving you a quick way to review the definitions, rules, and examples that matter most for Middle School Physical Science.

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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 37Practice questions for this set
A thermos was constructed with a double wall, a vacuum layer between the walls, a reflective coating, and a tightly sealed cap. To test it, a student poured in coffee at 75C75^\circ\text{C}, sealed the cap, left it in a 22C22^\circ\text{C} room, and measured the coffee temperature every 2 hours. Data: 0 hr: 75C75^\circ\text{C}, 2 hr: 72C72^\circ\text{C}, 4 hr: 68C68^\circ\text{C}, 6 hr: 65C65^\circ\text{C}, 8 hr: 62C62^\circ\text{C}. Criterion: maintain 60C\ge 60^\circ\text{C} for 8 hours. What is the correct evaluation of the thermos test?
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