Across
- 2. – the study of living things.
- 4. – the amount of space that an object or substance takes up.
- 6. – substance that adds color to other materials.
- 7. – microscopic single-celled organisms that live everywhere.
- 8. – substance or material consisting of very large molecules connected together.
- 9. – any substance or object that takes up space and has mass.
- 11. – multi-celled organisms that use photosynthesis to make food and grow.
- 12. – mass per unit volume of a substance or object.
- 13. – the amount of matter in a substance or object.
- 15. – a white powdery substance that can be used as a household cleaner.
Down
- 1. - a group of two or more atoms.
- 3. – the study of matter on a small scale of atoms and molecules.
- 5. – multi-celled living creatures.
- 8. - a step by step method or way of doing something.
- 10. – process where solvent molecules pass through a semipermeable membrane.
- 14. - basic unit of matter that consists of protons, neutrons, and electrons.
