Now draw the eight planets as circles, and label each one. The scale doesn’t need to be perfect. You can estimate the planets’ sizes based on the real-world objects you chose in part A.

In a closed system, the total energy prior to an energy transformation is the total energy after. a. equal to b. unrelated to c. greater than d. less than

Starting with only the balmer series light (visible light), how could we ensure that the solar panels generate a current that mark can use for his power station? a)by gradually increasing the brightness (amount) of light that we shine on it. b)by gradually increasing the frequency of the light we shine on it. c)by gradually increasing the wavelength of the light that we shine on it.

What are similarities and differences of reflection, refraction, diffraction and absorption?