Energy and Heat Calculations

Energy is transferred as heat between two objects of ___________ temperatures. 

• differing
• same

Tags

NGSS.HS-PS3-4

As the kinetic energy of the molecules in a substance increases, the temperature of the substance __________.

• increases
• decreases

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

The measure of average kinetic energy of all the particles within an object is called ____________. 

• temperature
• conduction
• radiation
• heat 

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

The energy transferred between the particles of two objects because of the temperature difference between the two objects is called ________________.

• heat
• insulator 
• conductor 
• temperature

Tags

NGSS.HS-PS3-4

A high specific heat means...

• It heats up quickly with energy added
• It requires more energy to change temperature

When you measure the temperature of hot soup, you are measuring the:

• thermal energy given off by the bowl
• specific heat of the bowl
• average kinetic energy of the particles in the soup
• thermal expansion of the particles in the soup

Tags

NGSS.HS-PS3-2

Heat is a flow of energy caused by

• specific heat
• density differences in solids
• temperature differences
• thermal expansion

Tags

NGSS.HS-PS3-4

If the particles of two substances have the same average kinetic energy, then___.

• the specific heats of the substances are identical 
• the particles will not react chemically
• the substances have equal thermal energies
• the substances have equal temperatures

What is thermal equilibrium?

• When two objects are at rest at the same time.
• When two or more objects reach a common temperature.
• When two objects have the same specific heat.

Tags

NGSS.HS-PS1-5

NGSS.HS-PS3-4

A calorie is a common unit of force.

• True
• False