Across
- 2. It is a squeezable bottle with a nozzle, used to rinse various pieces of laboratory equipment.
- 8. A glass stirring rod which is used to mix
- 12. A flask having a wide base, narrow neck, and conical form which is convenient for swirling liquids by hand.
- 14. An instrument for measuring and indicating temperature.
- 15. A tube or pipe that is wide at the top and narrow at the bottom, used for guiding liquid or powder into a small opening.
- 16. A concave glass disc used in a laboratory to hold material for use in experiments.
- 17. A graduated glass tube with a tap at one end, for delivering accurate volumes of a liquid, especially in titrations.
- 18. A vessel with a spherical body and a cylindrical neck which is most often used when preparing, heating solutions and distillation.
- 19. A ceramic or metal container in which substances may be melted or subjected to very high temperatures.
- 20. He is the owner of the atomic model that was proposed in 1911, based on the Rutherford model of the atom.
Down
- 1. A flat-bottomed vessel with a cylindrical long neck which is used to prepare and hold solutions.
- 3. It is a glass funnel with a tap at the bottom which is used to seperate immiscible liquids.
- 4. A thin glass tube closed at one end, used to hold small amounts of material.
- 5. It is used to measure the volume of liquids.
- 6. A lamp that burns volatile spirits.
- 7. An iron tripod placed over a fire.
- 9. A cup in which ingredients are crushed or grounded.
- 10. It is used to take small quantities of solid chemicals.
- 11. A simple container for stirring, mixing and heating liquids.
- 13. He stated that in the atomic model, most of the atomic mass is concentrated in the nucleus.