Thermal Energy

True or False: An object can contain thermal energy even if it is not hot?

• True

• False

Thermal energy is...

• Total KE of all the particles in matter.

• Total KE & PE of all the particles in matter.

• Total PE of all the particles in matter.

Heat is...

• Thermal energy that is transferred from a warmer object to a cooler object.

• Thermal energy that is transferred from a cooler object to a warmer object.

Temperature is...

• The measure of the average potential energy of the individual particles of matter

• The measure of the average kinetic energy of the individual particles of matter

The most common temperature scale used in the United States - where water freezes at 32 degrees and boils at 212 degrees is called the __________________________ scale.

• Celsius
• Pound
• Kelvin
• Fahrenheit

The most common temperature scale used in the world where water freezes at 0 degrees and boils at 100 degrees is called the __________________ scale.

• Celsius
• Fahrenheit
• Pound
• Kelvin

Tags

CCSS.4.MD.A.1

The most common temperature scale used in the physical sciences where temperatures are 273 degrees more than temperatures on the Celsius scale is called the _______________ scale.

• Fahrenheit
• Kelvin
• Pound
• Celsius

What is the lowest temperature possible? No more thermal energy can be removed from matter at that temperature.

• 20C/293K Room Temperature

• -273C/0K Absolute Zero

• 0C/273K Water Freezes

What does thermal energy depend on? (pick 3)

• the number of particles in an object

• the temperature of the object

• the viscosity of the object

• the arrangement of the object's particles

The transfer of energy from one particle of matter to another within an object or between 2 objects that are in direct contact.

• conduction

• convection

• contraction

• radiation