Thermal Energy

How do molecules at warm temperatures differ from molecules at cool temperatures? 

• a.  At warm temperatures, molecules move around more
• b.  At warm temperatures, molecules grow in siz
• c.  At warm temperatures, molecules exchange electrons more easil
• d.  At warm temperatures, molecules combine with each other more easil

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Why is there more thermal energy in an iceberg than in a pot of boiling water?    

• a.  The pot insulates the heated molecules
• b.  Most icebergs are fairly warm to the touch
•   c.  Icebergs contain many more molecules than pots of water
•   d.  Water does not hold heat very well

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-5

Thermal energy is the __________ _________ energy of moving particles

• total potential

• average potential

• average kinetic

• total kinetic

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Temperature is the __________ _________ energy of moving particles

• average potential

• average kinetic

• total potential

• total kinetic

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Objects with MORE MASS have______________

• lower potential energy

• lower number of atoms

• higher thermal energy

• higher temperature

Tags

NGSS.MS-PS3-2

For objects that have the SAME mass, which object will have a HIGHER thermal energy?

• the object with the higher temperature

• the object with the lower temperature

• the objects will have the same temperature

• the objects have no temperature

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which will have the HIGHEST thermal energy?

• Hot cup of tea

• Cold bathtub water

• Huge lake

• Warm bowl of soup

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Objects with MORE MASS have MORE thermal energy because

• there are more molecules with energy in bonds

• there are less atoms

• there is less kinetic energy in the system

• there is no potential energy at all

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Law of Conservation of Mass says...

• Energy is always created and destroyed

• Energy is only in hot things

• Energy can be destroyed easily

• Energy cannot be created or destroyed

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

NGSS.MS-PS1-5

As temperature increases, molecules _____________

• move slower

• move the same

• move faster

• stop moving

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4