Across
- 3. orient toward the surrounding air or toward the enclosed space inside the bubble.
- 5. a weak bond between two molecules resulting from an electrostatic attraction
- 7. a group of atoms bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction.
- 11. surrounded or closed off on all sides.
- 13. break or burst suddenly.
- 14. The process between objects being drawn towards each other.
Down
- 1. apply a force to (something) which tends to stretch it.
- 2. heads of soap molecules are attracted to the polar water molecules.
- 4. a colorless, odorless reactive gas, the chemical element of atomic number 8 and the life-supporting component of the air.
- 6. You blow into these
- 8. the process by which water changes from a liquid to a gas or vapor.
- 9. relating to detergent compounds or their action.
- 10. a very small drop of a liquid.
- 12. a substance used with water for washing and cleaning