Physical Science

2. Stored energy based on an object's position, composition, or condition
4. The capacity to do work.
6. The transfer of energy via electromagnetic waves
7. The process of a liquid turning into a gas.
11. A group of two or more atoms held together by chemical bonds.
13. A closed path through which electric current flows
15. The transition of a substance directly from the solid phase to the gas phase, without passing through the intermediate liquid phase
16. The rate of change of an object's position with respect to a frame of reference and time; it is speed in a given direction
19. A push or pull acting upon an object resulting from its interaction with another object

1. The force by which a planet or other body draws objects toward its center.
3. A pure substance consisting of only one type of atom, defined by its atomic number
5. The energy an object possesses due to its motion
8. smallest unit of ordinary matter that forms a chemical element
9. The resistance of any physical object to any change in its velocity
10. The mass per unit volume of a substance
12. A substance formed when atoms of two or more different elements are chemically bonded together.
14. Heat transfer through solid material or direct contact.
17. Heat transfer in fluids
18. Potential energy stored in the chemical bonds of atoms and molecules.