Convection and Conduction

In heat transfer, heat always flows from the _______________ substance to the _______________ substance.

• Hotter to colder
• Colder to hotter
• Hotter to hotter
• Colder to colder

Tags

NGSS.HS-PS3-4

The type of heat transfer that happens through direct contact of molecules or particles with each other is ___________________.

• Convection
• Conduction
• Radiation
• insulation.

Tags

NGSS.MS-PS1-4

___________________ is the type of heat transfer that occurs in fluids, such as warm air rising and cold air sinking; creating wind.

• Convection
• Conduction
• Radiation
• insulation.

Tags

NGSS.MS-ESS2-6

Which statement is true?

• The quicker a molecule moves, the colder it is.
• The slower a molecule moves, the warmer it is.
• The quicker a molecule moves, the warmer it is
• The movement on molecule don�t affect its temperature

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Two objects at different temperatures are in contact. Which of the following happens to their thermal energy?

• Their thermal energies remain the same.
• Thermal energy passes from the cooler object to the warmer object
• Thermal energy passes from the warmer object to the cooler object.
• Thermal energy passes back and forth equally between the two objects.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-5

Students in a science class performed an experiment with hot and cold water. They dyed the hot water red and the cold water blue. When the students layered the water, they noticed that the hot water rose to the top and the cold water sank. What was this demonstrating?

• Radiation
• Air Pressure
• Evaporation
• Density

The handle of a metal spoon warms up when it is placed in a hot bowl of soup because of

• Convection
• Conduction
• Radiation
• insulation.

Tags

NGSS.MS-PS1-4

A large house being heated by heater warms a house when the air is circulating.

• Convection
• Conduction
• Radiation
• insulation.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-3

Which of the following is the best example of conduction?

• A light bulb warming a lampshade
• An egg cooking in a frying pan
• Water boiling in a pot
• Gases circulating in the atmosphere

Tags

NGSS.MS-PS1-4

Which situation best represents convection?

• Heat from a campfire
• A hot air balloon taking off
• Touching a hot piece of metal
• Getting sunburned

Tags

NGSS.HS-ESS2-3