While visiting White Sands National Park, you grab a piece of cardboard box and slide down a large sand dune from the top of the dune to the bottom of the dune. Friction is present; air resistance can be ignored. Which statement correctly describes the change in energy as you slide from the top of the dune to the bottom of the dune on the cardboard box?

Match each vocabulary term to its definition. 1. electrons neutral subatomic particles found in the nucleus of the atom 2. neutron lowest energy position of an electron in an atom 3. photon the path of an electron around the nucleus of an atom 4. ground state negatively charged, subatomic particles 5. protons packet of energy of specific size 6. element substance with only one type of atom 7. orbital positively charged, subatomic particles found in the nucleus of the atom