Convection, Conduction and Radiation

In an ocean, warm water moves __________ and cold water moves ____________.

• Down, Up
• Up, Down

Tags

NGSS.MS-ESS2-6

During convection, more dense currents _________ and less dense currents _________.

• sink, rise
• rise, sink

In convection, heat moves in this shape.

Tags

NGSS.MS-ESS2-6

NGSS.MS-ESS2-5

Hot water is ____ dense. Cold water is _____ dense.

• More

  Less

• Less

  More

• They are the same

• very

  not as

Tags

NGSS.MS-PS1-4

If two objects have different temperatures, heat will flow from the cooler object to the warmer one.

• True
• False

Tags

NGSS.MS-PS1-4

Heat transfer by conduction occurs when...

• particles bump into each other
• large numbers of atoms move from place to place
• atoms give off heat in the form of electromagnetic waves
• electromagnetic waves travel from place to place through a vacuum

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4

Which material is the best conductor of heat?

• Wood
• Plastic
• Glass
• Steel

What is NOT an example of an insulator in the kitchen?

• An oven mitt
• Pots and pans
• A wooden spoon
• A plastic measuring cup

Gloves help keep your hands warm in winter because:

• They are conductors of heat.
• They are fuzzy.
• They are conductors of electrical energy.
• They are insulators.

Objects that keep heat in are called...

• Thermal Equilibrium

• Thermal Conductors

• Thermal Energy

• Thermal insulators