Presentation is loading. Please wait.

Presentation is loading. Please wait.

Thermal Energy and Heat

Published byCarmel Goodman Modified over 5 years ago

Similar presentations

Presentation on theme: "Thermal Energy and Heat"— Presentation transcript:

1 Thermal Energy and Heat

2 Thermal energy is the sum of the potential energy and the kinetic energy possessed by the molecules of an object. A hot object has more thermal energy than a cold object because the molecules are moving faster. A substance in its liquid state at its boiling point has less thermal energy (per kilogram) than when it is a gas at the same temperature.

3 Review relationship between Temperature and Heat:
Thermal energy that is transferred!! Measure of the average Kinetic energy of the molecules in a substance! Is mass dependent!! Is not mass dependent!! Cannot be measured directly!! Only by the changes in temperature they cause!! Can be measured directly!! With a thermometer!! Measured in Joules(J) Measured in oC, oF, or K Defined…. Defined…. Does it depend on Mass? Does it depend on Mass? Can you measure it? Can you measure it? Units??? Units???

4

5 Heat - The flow of thermal energy from one object to another.
Thermal energy transferred from cup to hand Heat - The flow of thermal energy from one object to another. Heat always flows from warmer to cooler objects. Thermal energy transferred from hand to ice cube

6

7 3 Ways to Transfer Heat Conduction---direct contact.
Convection—transfer of heat in liquids and gases!! Radiation—transfer through empty space!!

8

9

10 Discuss Heat Transfer Mechanisms!!!
RADIATION CONVECTION RADIATION CONDUCTION CONVECTION CONDUCTION

11

12

13 MEASURING TEMPERATURE
SI UNITS Kelvin/Celcius K = °C + 273 e.g. 10°C = °C = K – 273 e.g. 10K = 283 K -263°C Alternate unit (the “US” units!) Fahrenheit °C = 5(°F – 32) 9 e.g. 75°F = 24 °C

14

Download ppt "Thermal Energy and Heat"

Similar presentations

HEAT TRANSFERS.

HEAT TRANSFERS.
Main Points All matter is made up of invisible particles Particles have spaces between them Particles are moving all the time Particles move faster when.

Main Points All matter is made up of invisible particles Particles have spaces between them Particles are moving all the time Particles move faster when.
WEEK20 PHYSICAL SCIENCE VOCABULARY. 1) THERMAL ENERGY Total amount of energy in all of the particles contained in a sample of matter.

WEEK20 PHYSICAL SCIENCE VOCABULARY. 1) THERMAL ENERGY Total amount of energy in all of the particles contained in a sample of matter.
Energy, Heat and Heat Transfer

Energy, Heat and Heat Transfer
Heat Transfer & Phases Intro Chapter. Is the ability to do work and cause a change. Can be transferred. –Gases and liquids are made of molecules that.

Heat Transfer & Phases Intro Chapter. Is the ability to do work and cause a change. Can be transferred. –Gases and liquids are made of molecules that.
Temperature, Thermal Energy, and Heat.  Thermal Energy – The total energy (potential and kinetic) of all of the particles in an object.  The greater.

Temperature, Thermal Energy, and Heat.  Thermal Energy – The total energy (potential and kinetic) of all of the particles in an object.  The greater.
Energy the ability to cause change Mechanical Energy Energy of motion AND position (sum of the potential and kinetic energy of an object)

Energy the ability to cause change Mechanical Energy Energy of motion AND position (sum of the potential and kinetic energy of an object)
Temperature and Heat CHAPTER the BIG idea CHAPTER OUTLINE Heat is a flow of energy due to temperature differences. Temperature depends on particle movement.

Temperature and Heat CHAPTER the BIG idea CHAPTER OUTLINE Heat is a flow of energy due to temperature differences. Temperature depends on particle movement.
Is the measure of the average kinetic energy of the particles in a substance As the particles in a substance move faster and their kinetic energy becomes.

Is the measure of the average kinetic energy of the particles in a substance As the particles in a substance move faster and their kinetic energy becomes.
14-1 : Temperature and Thermal Energy. Temperature The measure of the average kinetic energy of the particles in a substance. The measure of the average.

14-1 : Temperature and Thermal Energy. Temperature The measure of the average kinetic energy of the particles in a substance. The measure of the average.
Energy, Heat and Heat Transfer Earth Science Intro Unit.

Energy, Heat and Heat Transfer Earth Science Intro Unit.
10.1 Temperature, Thermal Energy, and Heat The kinetic molecular theory explains that all matter is made up of tiny particles.  These atoms and molecules.

10.1 Temperature, Thermal Energy, and Heat The kinetic molecular theory explains that all matter is made up of tiny particles.  These atoms and molecules.
Heat Molecules and Motion The motion of molecules produces heat The motion of molecules produces heat The more motion, the more heat is generated The.

Heat Molecules and Motion The motion of molecules produces heat The motion of molecules produces heat The more motion, the more heat is generated The.
Ch. 10.1 Energy Transfer Kinetic Molecular Theory “Kinetic” = moving “Molecular” = all matter is made up of atoms and molecules So all matter is made up.

Ch Energy Transfer Kinetic Molecular Theory “Kinetic” = moving “Molecular” = all matter is made up of atoms and molecules So all matter is made up.
Ch. 13 - Energy II. Thermal Energy  Temperature  Thermal Energy  Heat Transfer.

Ch Energy II. Thermal Energy  Temperature  Thermal Energy  Heat Transfer.
Heat, Temperature, and vie Revie w. Thermal Energy Total potential and kinetic energy associated with the random motion and arrangement of the particles.

Heat, Temperature, and vie Revie w. Thermal Energy Total potential and kinetic energy associated with the random motion and arrangement of the particles.
@earthscience92. What is Energy? Energy – Is the ability to cause change – Many forms of energy – Two general forms of energy are Kinetic energy Potential.

@earthscience92. What is Energy? Energy – Is the ability to cause change – Many forms of energy – Two general forms of energy are Kinetic energy Potential.
Thermal and Chemical Energy. Thermal Energy Thermal Energy Thermal energy is kinetic energy because molecules are in motion. Temperature Temperature =

Thermal and Chemical Energy. Thermal Energy Thermal Energy Thermal energy is kinetic energy because molecules are in motion. Temperature Temperature =
IT’S A HEAT THING. CONVECTION, RADIATION, AND CONDUCTION.

IT’S A HEAT THING. CONVECTION, RADIATION, AND CONDUCTION.
Presented by: Mrs. Eskridge. Heat:  Rumford concluded that heat must be a form of energy.  Joule investigated the relationship between heat and motion.

Presented by: Mrs. Eskridge. Heat:  Rumford concluded that heat must be a form of energy.  Joule investigated the relationship between heat and motion.

Similar presentations

Ads by Google