Particle Model, Pure Substances and Mixtures
Across
- 3. the smallest unit of a pure chemical element (found on the periodic table)
- 5. the substance that is “doing” the dissolving
- 8. the molecule I drew during our science Google Meet lesson (it was a gorgeous drawing too)
- 10. the act of separating sand from water is an example of this
- 13. particles are held together by strong _____ forces
- 15. mixture of two or more metals
- 17. a mixture of two or more physically distinct substances with different properties
- 18. mixture of oils and waters, like a salad dressing
- 19. anything of mass and that takes up space
- 21. ____ energy affect the motion of particles
- 23. definite volume, but does NOT have definite shape
- 24. the Greek word for the smallest unit of matter
- 26. this natural force can assist you in separating mechanical mixtures
- 27. a group of atoms chemically bonded together
- 29. made up of one type of particle throughout
Down
- 1. this mixture contains more than one type of particle, but it looks pure, or the same throughout
- 2. a solution with bigger particles has this special name
- 4. another term for heterogeneous mixture
- 5. definite shape and definite volume
- 6. the study of matter and its changes
- 7. has the same composition throughout, and the individual parts of the mixture are not easily identifiable
- 9. a substance that is to be dissolved
- 11. when heat is removed from a substance, its particular motion will _____
- 12. can be broken down, but only chemically, not physically
- 14. the simplest form of pure substance
- 16. the colour of the word ‘mixtures’ in your text readings
- 20. the ability of the solvent to dissolve a solute
- 22. the measurement of heat energy
- 25. the scientific word for empty spaces, where NO matter exists
- 28. this state of matter does not have a definite volume nor shape
- 30. this is why the word mechanical is used to describe certain mixtures – it’s because you can ___ the different parts that make it up