Roof

A slanted shape for a roof is useful because....

• it helps trap heat inside

• it helps water drip down the roof, not through the roof

• it is easier to construct than a flat roof

• it has less surface area

Tags

NGSS.MS-ETS1-1

Insulation beneath the roof and around windows and door frames has the greatest effect on which subsystem?

• Foundation

• HVAC (Heating, Ventilation, Air Conditioning)

• Plumbing

• Framework

Tags

NGSS.MS-PS3-3

White roofs are painted with a white coating that __________ sunlight and reduces the amount of energy needed to cool a building because less energy is absorbed by the roof.

• Blocks

• Reflects

• Absorbs

• Stops

Solar roofs convert energy from the sun into __________ and reduce the need for fuels, so they decrease the CO2 released into the atmosphere.

• radiation

• UV rays

• electricity

• radio waves

Tags

NGSS.MS-PS3-3

After the volcanic eruption, most houses have thick ash stacked on their roofs. What is the main reason why it is necessary to immediately clean up the roof and get rid of the ash?

• The roof might tumble because of the thick ash it carries.

• The ash on the roof does not look pleasing.

• The ash might be flown away by the wind and would get into the house.

• The ash would cover the paint of the roof.

Tags

NGSS.MS-ETS1-3

What is the primary function of a green roof in urban environments?

• Aesthetic enhancement

• Waterproofing

• Thermal insulation

• Biodiversity support

Which of the following materials is commonly used for roofing due to its high reflectivity and energy efficiency?

• Asphalt

• Clay tiles

• Metal

• Wood

In terms of energy conservation, what is the main advantage of installing a cool roof?

• Increased heating efficiency

• Reduced cooling costs

• Enhanced structural integrity

• Improved water resistance

Tags

NGSS.MS-PS3-3

Which scientific principle explains why dark-colored roofs absorb more heat than light-colored roofs?

• Conduction

• Convection

• Radiation

• Reflection

What is the role of a vapor barrier in a roofing system?

• To prevent heat loss

• To block moisture

• To enhance soundproofing

• To support the roof structure