Which statement describes a design factor that should be included in an energy-efficient home built in cold climates? (1 point)
• light-colored roofing materials
• insulation that easily conducts thermal energy
•trees that provide shade for the home
• windows that include multiple glass layers
insulation that easily conducts thermal energy
In a building, air moves due to currents caused by temperature differences. Which statement best describes these currents?
(1 point)
• They transfer thermal energy due to radiation.
• They transfer thermal energy due to convection.
• They transfer electrical energy due to convection.
• They transfer electrical energy due to conduction.
They transfer thermal energy due to convection.
In which direction will the ionic paste allow the electrons to flow within a battery? (1 point)
• positive side to negative side
• positive side to positive side
• negative side to negative side
• negative side to positive side
Negative side to positive side
What is produced by the movement of electrons within a material? (1 point)
• chemical energy
• charged particles
• ionic reactions
• electric current