Embedded Files
introduction
introduction
Chemical changes occur when a substance or substances react in a chemical reaction to create a different substance or substances. The substances that react are called reactants, and their reaction produces new substances called products. The products have completely different properties from the reactants. Chemical changes are always accompanied by energy flows. THese flows of energy into our out of the system drive chemical reactions
Do this first...!
Do this first...!
Read pages 78 - 80 including the infoBit on the top of page 79.
Answer the four questions in the Minds On…Energy Flow Through Systems box on page 79.
Read page 81, including figures A3.4 and A3.5. Make a note of the difference between Exothermic, Endothermic, and Combustion reactions
Photosynthesis vs. Cellular Respiration
Photosynthesis vs. Cellular Respiration
Read page 82 on Biochemical Reactions.
List the differences between cellular respiration and photosynthesis using page 82 to help!
How can you determine if a Chemical Change or Physical Change has occurred?
How can you determine if a Chemical Change or Physical Change has occurred?
Read the top of page 84 – ‘Characteristics of Chemical Reactions.’
Summarize the characteristics of chemical reactions in your notes
conservation of mass
conservation of mass
Law of Conservation of Mass
Law of Conservation of Mass
Read pages 84 - 85
Define the Law of Conservation of Mass
How does the Law of Conservation of Mass apply to the rest of Units 15-16?
learning activities
learning activities
Complete questions #1-3 and #5-11 on page 85. (The website: www.pearsoned.ca/school/science10 -- has information on greenhouse gases in Alberta. This will help with question 9. Go to Support Website, then Unit A to find the information.)
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