Thermal Energy

A student drops a solid piece of foam in boiling water. The piece of foam rises to the top of the container, gets pushed to the side, sinks to the bottom, and then rises again repeatedly. This is an example of

• Conduction

• Convection

• Evaporation

• Radiation

Tags

NGSS.MS-PS1-4

The BEST example of heat transfer by convection is when

• sunlight warms soil

• a ceiling fan blows air

• flames heat up a pan

• heat rises in a chimney

Tags

NGSS.MS-ESS2-6

Which event is an example of conduction?

• Sunlight travels from the Sun to warm Earth.

• Boiling water in a pot warms a spoon inside the pot.

• A fire in a fireplace warms the air in a room.

• Cold water is heated in a microwave oven.

Tags

NGSS.MS-PS3-3

The transfer of heat in the atmosphere by winds that circulate between the equator and the poles is an example of

• radiation.

• insulation.

• convection.

• conduction.

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

Why does a floor covered with tile feel colder than a floor covered with carpet?

• The tile floor is colder than the carpet.

• The tile floor conducts heat better than the carpet.

• The carpet conducts heat better than the tile floor.

• The tile floor is a better insulator than the carpet.

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4

What can be concluded from the following statements about a property of metals?

• Metals conduct heat.

• Metals conduct electricity.

• Metals are good insulators.

• Metals combine with nonmetals.

Tags

NGSS.MS-PS3-4

Which statement describes the transfer of energy when an ice cube is placed in a cup of hot tea?

• Heat flows from the tea to the ice.

• Cold flows from the ice to the tea.

• Cold flows from the ice, and heat flows from the tea.

• Heat flows simultaneously between the ice and the tea.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

The motion of atoms and molecules in a substance is

• thermal energy.

• chemical energy.

• mechanical energy.

• electromagnetic energy.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-1

NGSS.MS-PS3-4

Which of the following will absorb heat energy?

• two sticks being rubbed together

• a piece of wood burning

• steel wool rusting

• ice cubes melting

Tags

NGSS.MS-PS1-4

Jennifer is in a room that has an air temperature of 25°C (77°F). Before pouring cold water into a glass, she notices that the ice in the pitcher is melting. What would be the BEST way for Jennifer to describe how thermal energy is being transferred?

• Heat moves from the ice to the water.

• Cold moves from the ice into the water.

• Heat moves from the air into the water.

• Cold moves from the water into the room.

Tags

NGSS.MS-PS1-4