What conclusion can be draw about the heat of fusion of water from the heating curve?

If steel is more dense that lake water, why can a boat float

What do you think car designers do if the damage caused by a crash test is too severe?

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