Thermal Energy and Matter

Which material is the best conductor of heat?

• liquid

• gas

• solid

Tags

NGSS.MS-PS3-3

Conduction can only occur between two objects when –

• one object is less dense than the other.
• both objects are in physical contact with each other.
• one of the objects is made of a metal.
• both objects are exactly the same temperature.

When a fluid is heated its particles move ____.

• faster

• slower

• same speed

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Heat will always transfer from...

• The hottest object to the coolest object.

• The coolest object to the hottest object.

• The solid object to the liquid object.

• The liquid object to the solid object.

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4

Radiation is heat transfer by-

• Touching objects

• Flow of fluid particles

• Electromagnetic Waves

When the 2nd story of a house is warmer than the 1st floor of a house is heat transfer through 

• conduction
• convection
• radiation
• thermal equilibrium

Tags

NGSS.MS-PS1-4

The sun warming your skin is an example of heat transfer through 

• conduction
• convection
• radiation
• thermal electricity

The best colour for absorbing thermal radiation is

• Matt black

• Silver

• White

• Shiny black

Tags

NGSS.MS-PS4-2

The best colour for emitting thermal radiation is

• Matt black

• Silver

• White

• Shiny black

Tags

NGSS.MS-PS4-2

Houses in hot countries are typically painted white so that...

• they absorb little thermal radiation

• they absorb lots of thermal radiation

• they emit lots of thermal radiation

• they look cool

Tags

NGSS.MS-PS3-4