Introduction to Chemical Reactions

Burning
Lesson 1
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Slide 1: Slide
ScienceSecondary EducationAge 12,13

This lesson contains 17 slides, with interactive quizzes and text slides.

Items in this lesson

Burning
Lesson 1

Slide 1 - Slide

How do you feel today?
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Slide 2 - Poll

Getting familiar with Energy
  • chemical energy
  • light energy
  • heat energy or thermal energy
  • sound energy
  • kinetic energy

Slide 3 - Slide

Burning
Is it a chemical reaction?

Slide 4 - Slide

When something burns, is it a chemical reaction?
YES
NO

Slide 5 - Poll

Which of the following is the other word for "burning"?
A
combustion
B
conduction

Slide 6 - Quiz

Burning
a substance (fuel) + oxygen = burning

Slide 7 - Slide

Which of the following is NOT an example of fuel?
A
water
B
wood
C
natural gas
D
oil

Slide 8 - Quiz

Is there any energy changes?

Slide 9 - Slide

Energy Changes in burning

Slide 10 - Slide

Burning requires 3 things.
Type these three.

Slide 11 - Open question

Types of Chemical Reactions
  • exothermic 
  • endothermic

Slide 12 - Slide

Types of Chemical Reactions
  • exothermic = exit of heat
  • endothermic = heat enters

Slide 13 - Slide

Slide 14 - Slide

a chemical reaction in which thermal energy or heat is given out or exits from the burning substance.

Slide 15 - Slide

What happens to the heat or thermal energy go when given out?
A
It dissipates/ scatters in the surroundings.
B
It disappears completely.

Slide 16 - Quiz

Other exothermic reactions
  • burning of magnesium (magnesium + oxygen)
  • reaction between potassium and water
  • reaction between magnesium and hydrochloric acid

Slide 17 - Slide