Temperature Conversions

Temperature

Temperature is the measure of the average kinetic energy of the particles.

1. ​the more kinetic energy (faster the molecules are going) the higher the temperature.

2. the less kinetic energy (slower the ​molecules are going) the lower the temperature

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Temperature Test Review

By Gloria Dominguez

Water

when does water change?

Boiling point:

100C 212F 373 K

freezing point:​

0C 32F 272K​

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K=C+273

C=K-273

F= 1.8xC +32

C= (F-32) 5/9​

Temperature Conversions

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dont transfer heat

ex: plastic

insulators

transfer heat

ex: metals

conductors

What transfers heat??

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Heat

Heat is the transfer of thermal energy. thermal energy can be transferred in three different ways.

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Heat transfer

​Radiation

1. ​Heat transfer through electromagnetic waves

2. can travel through a vacuum

3. does not need particles to travel

4. the hotter it is the more it radiates out​

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heat transfer

Convection

1. heat transfer through fluids

2. hot fluids rise

3. hot fluids expand​

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heat transfer

Conduction

1. ​Heat transfer through solids

2. objects must be touching

3. heat travels from hot to cold ​

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Multiple Choice

This type of material allows heat to pass through it easily.

• Conductor

• Insulator

• Water

• Degrees

Multiple Choice

When thermal energy is added to a substance, the substance's particles move:

• More rapidly at an increased distance from each other

• More rapidly with less distance between each other

• More slowly with a greater distance between each other

• More slowly with less distance between each other

Multiple Choice

What is convection?

• The transfer of heat in liquids.

• The transfer of heat in solids.

• The transfer of heat in gases.

• The transfer of heat in liquids and gases.

Multiple Choice

What type of heat transfer can move through empty space?

• Radiation

• Convection

• Conduction

• Heat

Multiple Choice

What is a substance that does NOT conduct heat well?

• Conductor

• Insulator

• Convector

• Radiator

Multiple Choice

This is a lava lamp. When the light bulb heats the wax, the wax rises. When the wax cools, it falls. This cycle of rising/falling is an example of:

• Conduction.

• Convection.

• Radiation.

Multiple Choice

What is the boiling point of water

• 0 C

• 100 F

• 50 C

• 100 C

Multiple Choice

Freezing point of water is

• 100 degrees Celsius

• 0 degrees Celcius

• 0 degrees Fahrenheit

Multiple Choice

Convert 35⁰F to Celsius (5/9 x (⁰F - 32))

• 1.6⁰

• 1.7⁰C

• 2.0⁰

• 16.6⁰C

Multiple Choice

Convert 72⁰F to Celsius (5/9 x (⁰F - 32))

• 2.2⁰C

• 222⁰C

• 22.2⁰C

• 161.6⁰C

Multiple Choice

Convert 30°C to Fahrenheit (1.8 x ⁰C) + 32

• 860°F

• 86°F

• 63.8°F

• 56°F

Multiple Choice

Convert 25.6°C to Fahrenheit (1.8 x ⁰C) + 32

• 48.1°F

• 781°F

• 78.1°F

• 14.1

Multiple Choice

100 Celsius is ? Kelvin (K = Celsius + 273)

• 173 K

• 373K

• 273 K

• 0 K

Multiple Choice

What is the definition of CONDUCTION?

• When heat is transferred from objects like rays of light or electromagnetically.
• a  hot liquid or air that  expands, becomes less dense, and rises or becomes more dense, and sinks.
• When heat transfers from objects that are touching.
• When heat transfers through the heater or AC in your house.

Multiple Choice

What is the BEST example of a conductor? 

• A wooden block
• A ceramic mug
• A glass cup
• A metal bowl

Multiple Choice

Thermal energy always moves from ___________ to __________.

• Hot to Hot
• Cold to hot
• Warmer to cooler
• Cooler to warmer

Multiple Choice

The faster molecules move, 

• the higher the temperature
• the less temperature
• the same temperature
• I don't know

Multiple Choice

What happens when something gains heat?

• it becomes hotter

• it becomes colder

Multiple Choice

What happens during heat gain?

• the object will expand

• the object will contract

Multiple Choice

Which of the following is used for measuring temperature?

• thermometer

• barometer

• anemometer

• scapulometer

• phalangometer

Multiple Choice

THE ENERGY THAT AN OBJECT BECAUSE OF ITS MOTION

• KINETIC ENGERGY
• THERMAL ENERGY