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9️⃣ Physics > Heat 🔥 > Flashcards

Heat 🔥 Flashcards

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AP® Physics flashcards Physics 101 flashcards
1
Q

Heat is a form of _____

A

Energy

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2
Q

What type of Energy is Heat?

A

Thermal Energy 🔥

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3
Q

How is heat measured?

A

In Joules

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4
Q

What object do we use to measure heat?

A

A Joulometer

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5
Q

Temperature is how ___ and object is

A

Hot

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6
Q

Temperature is measured in _______ ______?

A

Degrees Celsius

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7
Q

What object do we use to measure temperature?

A

A thermometer

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8
Q

What 3 ways can heat travel?

A

1️⃣Conduction
2️⃣Convection
3️⃣Radiation

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9
Q

Thermal energy always travels from ____ to ____

A

Thermal energy always travels from…HOT ➡️ COLD
🥵 ➡️ 🥶

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10
Q

When the doctor says ’you have got a temperature’ what do they really mean? 👩‍⚕️❓

A

It means that your body temperature is a naturally higher than 38°C. 🤒

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11
Q

What temperature does water boil at? 💧

A

100°C

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12
Q

What is recommended body temperature? 🧍‍♀️

A

38°C

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13
Q

What would the temperature be for a ‘warm day in Europe’? 🏙️

A

30°C

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14
Q

What is a normal room temperature? 🪑

A

20°C

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15
Q

What would the temperature be on a cool day in Northern Ireland? 🌧️

A

10°C

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16
Q

At what temperature does water freeze? 🧊

A

0°C

17
Q

What is present in all the insulators to make them good insulators?

A

Pockets of air (molecules are spread out)

18
Q

When air near a radiator is heated it will E______ and become L___ D_______ than the surrounding air

A

When air radiator is heated it will Expand and become Less Dense than the surrounding air.

19
Q

Where can convection occur?

A

Convection can occur in liquids and gases

20
Q

Why is the cooling element of a fridge placed at the top?

A

Because the air at the top is warmest it then cools and sinks

21
Q

Hot objects R_______ energy to their colder surroundings

A

Hot objects Radiate energy to their colder surroundings

22
Q

Radiation can/cannot move heat across a vacuum

A

Can

9️⃣ Physics (18 decks)

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