Across
- 2. The colorless fluid part of blood
- 5. The force that attracts a body towards the centre of the earth
- 6. The change in position of an object over time
- 8. A group of similar cells that work together to perform a specific function
- 9. A subatomic particle in all atomic nuclei with a positive electric charge
- 10. The main substance that makes up the cell walls of plants
- 12. The control center of a cell containing genetic material
- 13. The resistance that one surface or object encounters when moving over another
Down
- 1. A substance consisting of atoms which all have the same number of protons
- 3. A homogeneous mixture composed of two or more substances
- 4. A space or vesicle within the cytoplasm of a cell typically containing fluid
- 6. A material made up of two or more different substances not chemically combined
- 7. The tendency of an object to resist a change in its motion
- 10. A substance formed when two or more chemical elements are chemically bonded
- 11. The capacity to do work