Unit 1: Chemistry
Science 10
Name:
Block:
Book 4: Chemical
Equations & balancing
1
Identify the following as a chemical (C) or physical property (P):
______1. blue color
______2. density
______3. flammability (burns)
______4. solubility (dissolves)
______5. reacts with acid
______6. supports combustion
______7. sour taste
______8. melting point
______9. reacts with water
______10. hardness
______11. boiling point
______12. shine
______13. odor
______14. reacts with air
Identify the following as chemical (C) or physical (P) changes.
______1. NaCl (Table Salt) dissolves in water.
______2. Ag (Silver) tarnishes.
______3. An apple is cut.
______4. Heat changes H
2
O to steam.
______5. Baking soda reacts to vineger.
______6. Fe (Iron) rusts.
______7. Alcohol evaporates .
______8. Ice melts.
______9. Milk sours.
______10. Sugar dissolves in water.
______11. Wood rots.
______12. Pancakes cook.
______13. Grass grows.
______14. A tire is inflated.
______15. Food is digested.
______16. Paper towel absorbs water.
______17. An ice cube is placed in the sun.
______18. Two chemicals are mixed together and a gas is produced.
______19. A bicycle changes colour as it rusts.
______20. A solid is crushed into a powder.
______21. Two substances are mixed and light is produced.
______22. A piece of ice melts and reacts with sodium.
______23. Mixing salt and pepper.
______24. Chocolate syrup is dissolved in milk.
______25. A marshmallow is toasted over a campfire.
______26. A marshmallow is cut in half
Part A: Physical or Chemical?
Assignment #1: Physical & Chemical Properties Part A & B pg 3-4
Complete this assignment in the space provided on the following pages
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4
   

  
 
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
 
reactants products

+ ➔
+
➔
+
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How can you spot a chemical reaction?
  
 
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



  

  

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
5
Assignment # 2: Writing Word Equations pg 8-9
Complete this assignment in the space provided on the following pages
8
9
10
11
12
13
16
Assignment #3: Balancing Equations Review pg 17-20
Complete this assignment in the space provided on the following pages
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
  

Note: Dilute 
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
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3
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2
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3
19
Chemical e uations
page 2
Writing and balancing equations
  
3
Use construct 
 



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

 
 

 

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
  
4
Construct 
  construct 

  

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