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