Question 1 (1 point) Review nuclear fission and nuclear fusion by placing X's in the appropriate boxes. Nuclear Nuclear fission fusion Converts matter into energy Occurs in nuclear power plants Splits a nucleus Produces radioactive waste Uses hydrogen Occurs in the Sun Uses uranium Creates limited fuel Creates abundant fuelQuestion 2 (2 points) Our Sun will eventually turn into a red giant and, finally, a white dwarf. Use the Hertzsprung-Russell diagram to describe how the Sun's luminosity and temperature will change as it goes through these stages. Hertzsprung-Russell Diagram Supergiants Main sequence stars Giants Luminosity Sun White dwarfs . . Temperature (Kelvin) 30,000 20,000 10,000 7000 6000 4000 3000