

2.4 - Chemical Reactions - 1
Presentation
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Chemistry
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9th Grade
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Practice Problem
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Easy
Olamide Gbenga
Used 6+ times
FREE Resource
59 Slides • 6 Questions
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2.4 - Chemical Reactions
Page 49 - 50

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Poll
Which of the following best describes how you are feeling right now
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Lesson Objectives
At the end of the lesson, students will be able to
- DESCRIBE what happens during a chemical reaction
- IDENTIFY four possible clues that a chemical change has taken place
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Open Ended
Have a look at the match stick in page 48 of your book, what major difference can you identify between the burnt part of the stick and the un-burnt part of the match stick?
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A CHEMICAL PROPERTY IS AN ABILITY TO UNDERGO CHEMICAL CHANGE
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Chemical Changes
Left side is rusted iron - Fe2O3
Right side is regular iron - Fe
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Multiple Choice
Which of the following is not used to describe a chemical change
Burn
Explode
Break
Corrode
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Multiple Choice
Which of the following is a chemical property?
color
hardness
freezing point
ability to react with oxygen
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Chemical Changes
Left side is rusted iron - Fe2O3
Right side is regular iron - Fe
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Multiple Choice
Which of the following is a chemical property of water at 4°C?
its color
its state
its temperature
its ability to decompose into hydrogen and oxygen
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Open Ended
What happens during a chemical change
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The end of Period 1
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2.4 - Chemical Reactions
Page 49 - 50

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