1. Grade 9 Science – Unit Chemistry MatterPhysical and Chemical Properties Physical and Chemical Change Safety 11111 22222 33333 44444 55555 Inside the Atom

2. The substance made up of one type of particle (atom / molecule)

3. What is Pure Substance?

4. The substance made up of only one kind of element

5. What is an Element?

6. Mixture

7. What is the substance made up of MORE THAN one type of particle (atom / molecule) that are not chemically bonded?

8. Two or more pure substances chemically bonded in a set ratio.

9. What is a Compound?

10. Mechanical Mixture

11. What is it does NOT have the same composition throughout (heterogeneous) AND it is made up of more than one particle?

12. The behaviour of a substance as it becomes a new substance when it interacts with another substance.

13. What is Chemical Change?

14. The measure of how easily a liquid flows.

15. What is Viscosity?

16. The ability of a substance to burn

17. What is Combustibility?

18. A characteristic of a substance that can be used to identify the substance.

19. What is Physical Property?

20. The property that DOES NOT change the chemical nature of matter.

21. What is Physical Property?

22. Number of protons + Number of neutrons

23. What is Atomic Mass?

24. The Subatomic Particles found in the nucleus

25. What are Protons and Neutrons?

26. These have virtually no mass and they are found in orbits circling around the outside of the nucleus

27. What are Electrons?

28. Subatomic Particle with a positive charge

29. What is a Proton?

30. The net charge of an element That is, proton charge – electron charge

31. What is Neutral or No Charge?

32. The substances remains the same BUT its state changes.

33. What is Physical Change?

34. A new colour will appear, Heat or light is given off, Bubbles of gas form, and/or A solid material forms from a liquid.

35. What are clues that Chemical Change or a chemical reaction has occurred?

36. The substance is changed into one or more different substances AND the new substance(s) have different properties from the original one.

37. What is Chemical Change?

38. Melting ice

39. What is a Physical Change?

40. The name for the substance when a solid material forms from a liquid.

41. What is a Precipitate?

42. WHMIS symbol

43. What is a Toxic Material with immediate and severe hazard?

44. It may ignite spontaneously or may release flammable products if allowed to degrade or exposed to water

45. What is Flammable or Combustible?

46. WHMIS symbol

47. What is Compressed Gas?

48. The Household Hazardous Symbol

49. What is Corrosive?

50. These chemicals (1) may cause anaphylactic shock (2) include viruses, yeasts, molds, bacteria, and parasites that affect humans, and (3) include fluids that contain toxic substances

51. What are Biohazardous Infectious Materials