Part D The surface area of a material is a factor that affects heat conductivity. Does heat flow faster through a
large surface area or through a small surface area? Why? (Hint: Think about the number of particles
available to bump into one another).

Rosa records the distance that a toy car rolls and the time it takes to cover the distance. what scientific practice is this? collecting data asking a question providing explanations communicating results

Red light strikes a metal surface and electrons are ejected. if violet light is now used with a 10% greater intensity, what will happen to the ejection rate (number of ejected electrons per second) and the maximum energy of the electrons? a) greater ejection rate; same maximum energyb) same ejection rate; greater maximum energyc) greater ejection rate; greater maximum energyd) same ejection rate; same maximum energye) none of the above answers are correct

=force × distance a. work b. velocity c. pressure d. momentum