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# juan measured the temperature of salt water. he then added 273 to the measured value. which conversion is juan most likely doing? degrees celsius to degrees fahrenheit degrees celsius to kelvins kelvins to degrees celsius degrees fahrenheit to degrees celsius

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### James

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get juan measured the temperature of salt water. he then added 273 to the measured value. which conversion is juan most likely doing? degrees celsius to degrees fahrenheit degrees celsius to kelvins kelvins to degrees celsius degrees fahrenheit to degrees celsius from EN Bilgi.

## Thermal Energy Lesson 1

Memorize flashcards and build a practice test to quiz yourself before your exam. Start studying the Thermal Energy Lesson 1 - Temperature and Thermal Energy flashcards containing study terms like Carmen is heating some water and trying to measure the temperature of water using a Celsius thermometer. Which measurement can she expect once the water begins to boil?, Which best describes thermal energy?, The diagram shows a thermometer used to measure temperature. The area on the thermometer marked with the letter A is called the and more.

## Thermal Energy Lesson 1 - Temperature and Thermal Energy

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Carmen is heating some water and trying to measure the temperature of water using a Celsius thermometer. Which measurement can she expect once the water begins to boil?

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100° C

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Which best describes thermal energy?

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It is the portion of internal energy that can be transferred from one substance to another.

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1/10 Created by icypawzz

### Terms in this set (10)

Carmen is heating some water and trying to measure the temperature of water using a Celsius thermometer. Which measurement can she expect once the water begins to boil?

100° C

Which best describes thermal energy?

It is the portion of internal energy that can be transferred from one substance to another.

The diagram shows a thermometer used to measure temperature.

The area on the thermometer marked with the letter A is called the

scale

Juan measured the temperature of salt water. He then added 273 to the measured value. Which conversion is Juan most likely doing?

degrees Celsius to kelvins

A thermometer is placed in water in order to measure the water's temperature. What would cause the liquid in the thermometer to drop?

The kinetic energy of the water molecules decreases.

Hot coffee in a mug cools over time and the mug warms up. Which describes the energy in this system?

Thermal energy from the coffee is transferred to the mug.

What happens when the thermal energy of a substance increases?

Not:

The motion of the particles in the substance decreases, and the temperature of the substance increases.

Maybe:

Both the motion of the particles in the substance and the temperature of the substance increase.

The sum of potential and kinetic energies in the particles of a substance is called _______ energy.

internal

A thermometer is placed in water in order to measure the water's temperature. What would cause the liquid in the thermometer to rise?

The molecules in the thermometer's liquid spread apart.

Which of these indicates that a liquid has transferred thermal energy to the air?

The liquid decreases in temperature, and its particles lose kinetic energy.

### Temperature, Thermal Energy, and Heat

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### Verified questions

PHYSICS

In terms of the ideal gas law, what would a temperature of absolute zero imply? How about a negative absolute temperature?

In a double-slit experiment using monochromatic light, a screen is placed 1.25 m away from the slits, which have a separation distance of 0.0250 mm. The position of the third-order maximum is 6.60 cm from the center of the central maximum. Find (a) the wavelength of the light and (b) the position of the second-order maximum.

q _ { 1 } = 2.0 \mu \mathrm { C } \text { and } q _ { 2 } = - 4.0 \mu \mathrm { C }

q 1 ​ =2.0μC and q 2 ​ =−4.0μC

, are 0.30 m apart. Find the electric potential at a point P, which is 0.40 m from

q _ { 1 } q 1 ​ and 0.60 m from q _ { 2 } q 2 ​ . Verified answer PHYSICS

Suppose the electron in the hydrogen atom obeyed classical mechanics rather than quantum mechanics. Why should such a hypothetical atom emit a continuous spectrum rather than the observed line spectrum?

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### Related questions

QUESTION

True or False? The entropy of the universe always increases when a process occurs; it never decreases.

If table salt is continuously added to water, eventually no more salt will dissolve.

List three examples of a thermodynamic system:

Source : quizlet.com

## Temperature and Thermal Energy

Find and create gamified quizzes, lessons, presentations, and flashcards for students, employees, and everyone else. Get started for free!

QUIZ

## Temperature and Thermal Energy

Temperature and Thermal Energy 0%

0 6th - 8th Science Louise Zavertnik 1 year

## 16 Qs

1. Multiple-choice 30 seconds Q.

The diagrams show the movement of particles for two substances. Which best compares the temperatures of the substances?

Substance X has the highest temperature because its particles have more kinetic energy.

Substance X has the highest temperature because it has fewer particles.

Substance Y has the highest temperature because its particles have more kinetic energy.

2. Multiple-choice 30 seconds Q.

Sayid recorded the temperatures of four substances in a chart. Which conclusion is best supported by the data?

The particles in substance W have a greater average kinetic energy than the particles in substance Z.

The particles in substance X have a greater average kinetic energy than the particles in substance Z.

The particles in substance W have a lower average kinetic energy than the particles in substance X.

3. Multiple-choice 30 seconds Q.

What happens when heat is removed from water?

The water particles move farther apart.

The water changes from a liquid to a gas.

The kinetic energy of the water particles decreases.

4. Multiple-choice 30 seconds

Q.

The diagram shows a thermometer used to measure temperature. Which refers to the area on the thermometer marked with the letter A?

answer choices scale bulb mercury strip 5. Multiple-choice 30 seconds Q.

A thermometer is placed in water in order to measure the water’s temperature. What would cause the liquid in the thermometer to rise?

The molecules in the water move closer together.

The molecules in the thermometer’s liquid spread apart.

The kinetic energy of the water molecules decreases.

6. Multiple-choice 30 seconds Q.

A thermometer is placed in water in order to measure the water’s temperature. What would cause the liquid in the thermometer to drop?

The molecules in the water spread apart.

The molecules in the thermometer’s liquid spread apart.

The kinetic energy of the water molecules decreases.

7. Multiple-choice 30 seconds Q.

The diagram shows the scales used for recording temperatures. The labels for the scales are missing. Which labels complete the diagram?

W: Fahrenheit X: Celsius Y: Kelvin

W: Kelvin X: Celsius Y: Fahrenheit

W: Celsius X:Fahrenheit Y: Kelvin

8. Multiple-choice 30 seconds Q.

Juan measured the temperature of salt water. He then added 273 to the measured value. Which conversion is Juan most likely doing?

degrees Celsius to degrees Fahrenheit

degrees Celsius to kelvins

9. Multiple-choice 30 seconds Q.

Which is equal to a temperature of 50°F?

10°C

10. Multiple-choice 30 seconds Q.

What is the temperature, in degrees Celsius, of a substance with a temperature of 49K?

answer choices –322°C –224°C 224°C 11. Multiple-choice 30 seconds Q.

Barbara is converting 78°F to degrees Celsius. First, she subtracts 32 from 78. What is the next step?

answer choices multiply 46 by 5/9 multiply 46 by 9/5 12. Multiple-choice 30 seconds Q.

Which shows the potential energy of particles in three substances, from least to greatest?

answer choices liquid, solid, gas liquid, gas, solid gas, liquid, solid 13. Multiple-choice 30 seconds Q.

Which type of energy refers to the sum of potential and kinetic energies in the particles of a substance?

answer choices motion stored internal 14. Multiple-choice 30 seconds Q.

Which best describes thermal energy?

It is the difference between internal energies of two or more substances.

It is the sum of internal energies of two or more substances.

It is the portion of internal energy that can be transferred from one substance to another.

15. Multiple-choice 30 seconds Q.

What happens when the thermal energy of a substance increases?

The motion of the particles in the substance increases, and the temperature of the substance decreases.

Both the motion of the particles in the substance and the temperature of the substance increase.

The motion of the particles in the substance decreases, and the temperature of the substance increases.

16. Multiple-choice 30 seconds Q.

Hot coffee in a mug cools over time and the mug warms up. Which describes the energy in this system?

Thermal energy from the coffee is transferred to the mug.

The average kinetic energy of the particles in the mug decreases.

The average kinetic energy of the particles in the coffee increases.

Source : quizizz.com

## Temperature Conversion

Home » Planets for Kids » Temperature Conversion

Throughout the world, there are many different units of measuring temperature. The three most important ones are Fahrenheit (F), Kelvin (K), and Celsius (C).

## Key Facts & Summary

Celsius and Fahrenheit are degree scales. The degree symbol is not used to report temperature using the Kelvin scale, instead, they are noted as Kelvins.

Water boils at 100 degrees Celsius or 212 degrees Fahrenheit, or 373.15 Kelvins.

Water freezes at 0 degrees Celsius or 32 Degrees Fahrenheit, or 273.15 Kelvins.

Absolute zero is 0 Kelvins. This is the lowest temperature any substance can drop down to.

Celsius and Fahrenheit are the same at – 40 degrees since the scales converge.

Celsius and Kelvins become equal at high temperatures as the difference of 273.15 between them gets lost in the noise.

0 degrees Celsius is equal to 32 degrees Fahrenheit. The basic formula is (°C × 9/5) + 32 = °F.

0 degrees Celsius is equal to 273.15 Kelvins. The basic formula is °C + 273.15 = K.

The basic formula for converting Fahrenheit into Celsius is (°F − 32) × 5/9 = °C.

To convert Fahrenheit degrees into Kelvins, (°F − 32) × 5/9 + 273.15 = K.

To convert Kelvins into Celsius degrees, the formula is K − 273.15 = °C, while the formula of converting Kelvins into Fahrenheit degrees is (K − 273.15) × 9/5 + 32 = °F.

Temperature can be simply defined as a measure of the hotness or coldness of an object.

Temperature is measured using a thermometer – we observe the effect of temperature on the substance inside it.

## Temperature Conversion

Whether we use Celsius, Fahrenheit, or Kelvin in our efforts to measure temperatures, is not that important. However, if we find ourselves in certain regions where the temperature measurement is different, knowing the differences between the three most used systems may come in handy.

All three are correct ways of noting temperatures and they all can be derived from one another through formulas since they are related to each other.

But are these units of measurement any different from each other except for their different values? Yes and no, and here is a bit about every one of them.

## Celsius

Also called centigrade, is a scale based on 0 degrees for the freezing point of water and 100 degrees for the boiling point of water. This system was invented in 1742 by the Swedish astronomer Anders Celsius.

Some still call it the centigrade scale because of the 100-degree interval between the defined points. The Celsius scale is part of the metric system and is used to measure the temperature in many countries.

It is the easiest scale to use and though it is used throughout the world, there is one exception, the United States. In the US, the Fahrenheit scale prevails but the Celsius scale is also not accepted in certain places where Kelvin is used.

The normal human body temperature is 32°C, and the absolute zero value is set at -273.15°C, on this scale. To convert Celsius to Fahrenheit is pretty simple:

°C to °F: Multiply by 9, then divide by 5 and then add 32.Example: How to convert 28°C to Fahrenheit (°F).

First step: 28°C × 9/5 = 252/5 = 50.4.

Second step: 50.4 + 32 = 82°F.

The Celsius scale and the Fahrenheit scale coincides at -40°, which is the same for both. When it comes to converting Celsius degrees into Kelvins, the formula is even simpler.

0 degrees Celsius is equal to 273.15 Kelvins. The basic formula is °C + 273.15 = K. Kelvin to Celsius: Add 273.

Example: How to convert 28°C to Kelvin (K).

First step: 28°C + 273.15 = 301.15 K

## Fahrenheit

This temperature scale is based on 32 degrees for the freezing point of water, and 212 degrees for the boiling point. The interval between the two points is divided into 180 equal parts.

The German physicist Daniel Gabriel Fahrenheit devised this scale in 1724. The average human body temperature is 98.6°F, while the absolute zero is -459.67°F on this scale.

The Fahrenheit scale is accepted and is used in the United States and some of its territories. To convert Fahrenheit degrees into Celsius, here is the formula:

°F to °C: Subtract 32, then multiply by 5, then divide by 9. The basic formula is  (°F – 32) × 5/9 = °C or precisely (F – 32)/1.8.

Source : nineplanets.org

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James 9 month ago

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