Science Terminology

4. a change of state from gas to solid
7. the starting substances in chemical reactions
9. a form of sugar that is produced during photosynthesis and used in respiration to produce energy
11. a process where two liquids or two gases mix due to the motion of their particles
12. substances made of lattices or identical molecules with two or more types of atoms
13. the smallest building block of matter
16. a substance that dissolves another substance
19. a chemical reaction that occurs in all living cells. In this reaction, oxygen and glucose are converted into water and carbon dioxide while releasing energy. The energy released can be used by living things to live, grow and move
21. the change of state where a liquid changes to a gas at the surface of the liquid
22. model a simplified representation of solids, liquids and gases
23. substances made up of only one type of atom
24. clusters of atoms
26. describes liquids that do not mix

1. describes elements that consist of one single atoms
2. evaporation of solvent from a solution to leave solute behind as crystals
3. when a metal reacts with the chemicals in its environment
5. a solution in which a substance is dissolved in water
6. a solid formed during a chemical change
8. a mixture in which one substance is being dissolved in another
10. a decrease in size
14. any combination of two or more elements and compounds
15. a change of state where a gas is cooled and forms a liquid
17. describes liquids that can be mix
18. the term used to describe the structure of the DNA molecule; consists of two strands twisted into a double spiral
20. a change of state from solid to gas
25. a substance being dissolved