Insulation is used in the walls of a building to ____.

keep thermal energy from moving through the walls

keep cold air from moving through the walls

When holding a cup of ice water, your warm hand becomes cold. How does the heat transfer?

From your warm hand to the cold cup.

From the cold cup to the warm air

Why do you want to live in a home with good insulation during the cold winter months?

If there is good insulation, the thermal energy will not be able to move easily from inside the warm home to the cool areas outside the building.

The insulation will keep you cool during winter.

If there is not good insulation, the air inside the home will become too hot.

A house with good insulation will keep the warm air in the attic.

When a popsicle melts, the particles _____.

gain thermal energy and speed up

there are no particles in popsicles

lose thermal energy and slow down

14. Explain the difference between conduction and convection.

Heat rises for convection and travels thru liquids and gases. Conduction travels thru solids and liquids but must be touching.

Conduction involves heat going in all directions while heat rises with convection.

Heat moves in all directions for convection, but it rises for conduction.

Thermal energy travels thru solids for both conduction and convection; however, conduction involves direct contact.

15. Explain the difference between convection and radiation.

Thermal energy travels thru liquids and gases for convection and rays, waves, and particles for radiation. Heat goes in all directions for radiation and rises for convection.

Heat travels thru solids and liquids for convection but thru rays, waves, and particles for radiation.

Convection travels thru liquids and gases and radiation occurs in solids and liquids.

Which describes what can happen as a result of radiation?

A car’s inside temperature rises to over 100 degrees on a sunny day.

A piece of wood burns in a fire.

A shirt is hot after having been ironed.

A can of soup is heated in a pot on a stove.

Insulation is used in the walls of a building to:

keep thermal energy from moving through the wall

keep cold air from moving through the walls

The movement of energy from one place to another

The movement of atoms from one place to another

In a system, when energy is transformed from one form to another,

some energy is always destroyed.

all energy changes to friction.

Phys 102 Lecture 19

Authored by Charles Martinez

Physics

6th - 8th Grade

NGSS covered

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MULTIPLE CHOICE QUESTION

2 mins • 1 pt

How many kinds of heat transfer are there?

4 or more

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What is the definition of CONDUCTION?

When heat is transferred from objects like rays of light or electromagnetically.

a hot liquid or air that expands, becomes less dense, and rises or becomes more dense, and sinks.

When heat transfers from objects that are touching.

When heat transfers through the heater or AC in your house.

Tags

NGSS.MS-PS3-3

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What is the definition of RADIATION

hot liquid or air that expands, becomes less dense, and rises or becomes more dense, and sinks.

When heat is transferred from objects like rays of light or electromagnetically.

When heat transfers from objects that are touching.

When heat transfers through the heater or AC in your house.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which of the following is an example of convection?

A hair dryer is drying up your hair.

When the AC or heater changes the temperature.

When a car engine turns hot after being turned on.

When you are making soup and the water is rising and lowering.

Tags

NGSS.MS-ESS2-6

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which of the following heat transfers happen in the earth's mantle?

Convection

Conduction

Radiation

N0NE OF THEM

Tags

NGSS.MS-PS3-4

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What heat transfer happens when you burn your hand by touching a fire?

Radiation

Conduction

Convectio

I don't know!!!!!!!!!!!

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which of the following is needed for convection to happen?

Fluid/s

Light in the form or rays

Electromagnetic waves

Fire

Tags

NGSS.MS-ESS2-6

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Phys 102 Lecture 19

How many kinds of heat transfer are there?

What is the definition of CONDUCTION?

What is the definition of RADIATION

Which of the following is an example of convection?

Which of the following heat transfers happen in the earth's mantle?

What heat transfer happens when you burn your hand by touching a fire?

Which of the following is needed for convection to happen?

When a pot is touching a stove that is on, what heat transfer is happening?

What scale do we use to measure temperature?

Heat from the sun travels to Earth by _____.

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