1. 3 RD TERM VOCABULARY

2. ACID

3. VINEGAR

4. SUBSTANCE THAT RELEASES H+ IONS AND PRODUCES HYDRONIUM IONS WHEN DISSOLVED IN WATER.

5. BASE

6. BAKING SODA

7. SUBSTANCE THAT ACCEPTS H+ IONS AND PRODUCES HYDROXIDE IONS WHEN DISSOLVED IN WATER.

8. CHEMICAL EQUATION

9. EXAMPLES

10. SHORTHAND FORM FOR WRITING WHAT REACTANTS ARE USED AND WHAT PRODUCTS ARE FORMED IN A CHEMICAL REACTION; SOMETIMES SHOWS WHETHER ENERGY IS PRODUCED OR ABSORBED.

11. COMPOUND

12. SODIUM CHLORIDE

13. A PURE SUBSTANCE THAT CONTAINS TWO OR MORE ELEMENTS

14. DIFFUSION

15. WATER

16. A TYPE OF PASSIVE TRANSPORT IN CELLS IN WHICH MOLECULES MOVE FROM AREAS WHERE THERE ARE MORE OF THEM TO AREAS WHERE THERE IS LESS OF THEM.

17. ELECTROMAGNET

18. IRON CORE

19. MAGNET CREATED BY WRAPPING A CURRENT- CARRYING WIRE AROUND AN IRON CORE.

20. ENDOTHERMIC

21. BAKING SODA AND VINEGAR

22. CHEMICAL REACTION IN WHICH HEAT ENERGY IS ABSORBED.

23. EXOTHERMIC

24. FIRE/BURNING

25. CHEMICAL REACTION IN WHICH HEAT ENERGY IS RELEASED.

26. CHEMICAL FORMULA

27. SILVER TARNISHING AG S 2

28. COMBINATION OF CHEMICAL SYMBOLS AND NUMBERS THAT INDICATES WHICH ELEMENTS AND HOW MANY ATOMS OF EACH ELEMENT ARE PRESENT IN A MOLECULE.

29. NEUTRAL

30. 5 NEUTRONS

31. HAS NO ELECTRIC CHARGE. A CHEMICAL SUBSTANCE THAT IS NEITHER AN ACID OR BASE.

32. MAGNETIC FIELD

33. MAGNET

34. SURROUNDS A MAGNET AND EXERTS A MAGNETIC FORCE ON OTHER MAGNETS

35. GRAVITY (UNIVERSAL LAW OF)

36. SUN AND EARTH

37. THE FORCE THAT EXISTS BETWEEN ANY TWO OBJECTS THAT HAVE MASS.

38. CHEMICAL SYMBOL

39. H FOR HYDROGEN

40. NOTATION OF ONE OR TWO LETTER REPRESENTING A CHEMICAL

41. PRODUCT

42. BUBBLES

43. SUBSTANCE THAT FORMS AS A RESULT OF A CHEMICAL REACTION.

44. PERIODIC TABLE

45. HYDROGEN

46. A TABLE OF CHEMICAL ELEMENTS ARRANGED IN ORDER OF ATOMIC NUMBER, USUALLY IN ROWS, SO THAT ELEMENTS WITH SIMILAR ATOMIC STRUCTURE APPEAR IN VERTICAL COLUMNS.