Reactions of Metals and Oxygen

Reaction of Metals and Oxygen
Lesson 3
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Slide 1: Slide
ScienceSecondary EducationAge 12,13

This lesson contains 37 slides, with interactive quizzes and text slides.

Items in this lesson

Reaction of Metals and Oxygen
Lesson 3

Slide 1 - Slide

How do you feel today?
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Slide 2 - Poll

Extension: Advance Reading 2
  • Reaction of Metals with Water
  • pages 282  to 285
  • Short test tomorrow in LessonUp

Slide 3 - Slide

Recall of the previous lesson
  • Exothermic reaction:
- heat is released to the outside to make chemical bonds and form NEW products
- the product becomes warmer 
- there is an increase in temperature

Slide 4 - Slide

Recall of the previous lesson
  • Endothermic reaction:
- heat is absorbed from the outside to break the chemical bonds to form NEW products
- the product becomes cooler 
- there is a decrease in temperature

Slide 5 - Slide

Slide 6 - Slide

Slide 7 - Slide

Slide 8 - Slide

Slide 9 - Slide

Recall of the previous lesson
  • Reaction vs Process
- REACTION : happens when substances (reactants) react with each other and NEW products are formed
- PROCESS : happens when substances are dissolved, or changes from solid to liquid or liquid to gas, and NO NEW products are formed

Slide 10 - Slide

Reaction or Process?
potassium chloride + water           potassium chloride solution 

Slide 11 - Slide

Reaction or Process?
potassium chloride + water           potassium chloride solution 
Process (Endothermic)

Slide 12 - Slide

Reaction or Process?
potassium + water              potassium hydroxide + hydrogen gas

Slide 13 - Slide

Reaction or Process?
potassium + water              potassium hydroxide + hydrogen gas
Reaction (Exothermic)

Slide 14 - Slide

Reaction or Process?
solid water + heat              liquid water

Slide 15 - Slide

Reaction or Process?
solid water + heat              liquid water
Process (Endothermic)

Slide 16 - Slide

Reaction or Process?
water vapor + low temperature         liquid water

Slide 17 - Slide

Reaction or Process?
water vapor + low temperature         liquid water
Process (Exothermic)

Slide 18 - Slide

Reaction of Metals and Oxygen
Lesson 3

Slide 19 - Slide

Many metals react with _______ if they get hot enough.
A
oxygen
B
nitrogen
C
hydrogen
D
calcium

Slide 20 - Quiz

Magnesium is _____ reactive than iron because it reacts more quickly than iron.
A
less
B
more
C
not
D
a little

Slide 21 - Quiz

The reaction between a metal and oxygen is called __________ reaction.
A
hydration
B
endothermic
C
oxidation
D
process

Slide 22 - Quiz

metal + oxygen -> ___________
A
metal oxygen
B
metal oxide
C
water
D
nothing

Slide 23 - Quiz

Potassium, sodium, and calcium can react with oxygen without even being _______.
A
moist
B
heated
C
sliced
D
cooled

Slide 24 - Quiz

Some metals like ________ DO NOT react with oxygen. They are generally unreactive or ___________.
A
inert
B
inactive

Slide 25 - Quiz

Silver reacts _________ with oxygen in air. If a silver object is NOT cleaned, it goes black over time.
A
quickly
B
slowly

Slide 26 - Quiz

Reaction of Metals and Oxygen
Lesson 3

Slide 27 - Slide

What can you say about this picture? Anything familiar?
CLICK ME!

Slide 28 - Slide

Rusting (Chemical Equation)
iron + oxygen -> _______

Slide 29 - Slide

Rusting (Chemical Equation)
iron + oxygen -> _______
iron oxide

Slide 30 - Slide

Rusting (Chemical Equation)
iron + oxygen -> _______
iron oxide
Water is ALSO needed to make this reaction possible.

Slide 31 - Slide

Is rusting very useful?
CLICK ME!

Slide 32 - Slide

Reaction of Metals and Oxygen
Lesson 3

Slide 33 - Slide

Which of the following DOES NOT PROTECT the iron from rusting?
A
applying paint
B
cover it with zinc
C
galvanize it
D
washing it with water

Slide 34 - Quiz

What 2 things have you learned today?

Slide 35 - Open question

Rate your understanding of the lesson.
15

Slide 36 - Poll

Extension: Advance Reading 2
  • Reaction of Metals with Water
  • pages 282  to 285
  • Short test tomorrow in LessonUp

Slide 37 - Slide