Why are neutrons an important part of nuclear fusion in the sun? (Hint: Think of Einstein's equation!) How can two protons become a proton and a neutron? (Remember what we learned the second week):

The earth rotates on its axis and revolves around the sun every

A2 cm object is 10 cm from a convex lens that has a focal length of 4.4 cm, the image is 8cm from the lensz the height of the image, to the tenths place is

State a hypothesis with a numerical estimate of the calories contained within a peanut based on the nutritional information on the package label combined with what you have learned in this lesson about fuel efficiency and calorimeters.