try
Across
- 2. An amorphous (non-crystalline) form of matter between a gas and a solid that has a definite volume, but no definite shape.
- 6. A substance formed when two or more chemical elements are chemically bonded together.
- 7. The scientific study of plants
- 9. The branch of science concerned with the processes and phenomena of the atmosphere, especially as a means of forecasting the weather.
- 13. A substance consisting of atoms which all have the same number of protons - i.e. the same atomic number.
- 15. Property that changes when the size of the sample changes. Examples are mass, volume, length.
- 16. A substance that is produced or used in a process (reaction) involving changes to atoms or molecules.
- 18. The basic unit of a chemical element.
- 21. The branch of chemistry concerned with the application of the techniques and theories of physics to the study of chemical systems.
- 24. Used to express liters, cubic meters, gallons, milliliters, teaspoons and ounces.
- 25. An airlike fluid substance which expands freely to fill any space available, irrespective of its quantity.
- 26. Properties, such as density and color, do not depend on the amount of matter.
- 28. The branch of science that deals with the identification of the substances of which matter is composed.
- 30. An ionized gas consisting of positive ions and free electrons in proportions resulting in more or less no overall electric charge, typically at low pressures
Down
- 1. Any substance that has a uniform and unchanging composition is considered to be pure.
- 3. A distinctive smell, especially an unpleasant one.
- 4. Elements that form cations when compounds of it are in solution and oxides of the elements form hydroxides rather than acids in water.
- 5. These include carbon monoxide, carbon dioxide, carbonates, cyanides, cyanates, carbides, and thiocyanates.
- 8. Subdiscipline involving the scientific study of the structure, properties, and reactions of compounds
- 10. A measure of the intensity of heat, i.e. the hotness or coldness of a sample. or object.
- 11. The scientific study of the behavior, structure, physiology, classification, and distribution of animals.
- 12. A metabolic process in plants and certain bacteria, using light energy absorbed by chlorophyll.
- 14. Relating to living organisms.
- 17. In chemistry, a heavy, silvery metallic element, a liquid at normal temperatures and it's toxic.
- 19. Studies the composition, structure, properties and change of matter.
- 20. A physically distinctive form of matter.
- 22. Packed together much closer than the particles in a gas or liquid.
- 23. Anything that has mass and takes up space.
- 27. Dealing with radioactivity.
- 29. A measure of the amount of matter in an object.