Exothermic and endothermic reactions

This lesson introduces exo- and endothermic reactions and how to identify them from temperature changes.

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

Intro quiz - Recap from previous lesson

Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!

Q1.What are the products of complete combustion?

1/5

Q2.What effect do catalysts have on the rate of a reaction?

2/5

Q3.What do catalysts do to activation energy?

3/5

Q4.Why are catalysts crucial in industry?

4/5

Q5.How do catalytic converters in cars use oxygen?

5/5

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

Intro quiz - Recap from previous lesson

Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!

Q1.What are the products of complete combustion?

1/5

Q2.What effect do catalysts have on the rate of a reaction?

2/5

Q3.What do catalysts do to activation energy?

3/5

Q4.Why are catalysts crucial in industry?

4/5

Q5.How do catalytic converters in cars use oxygen?

5/5

Video

Click on the play button to start the video. If your teacher asks you to pause the video and look at the worksheet you should:

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Worksheet

These slides will take you through some tasks for the lesson. If you need to re-play the video, click the ‘Resume Video’ icon. If you are asked to add answers to the slides, first download or print out the worksheet. Once you have finished all the tasks, click ‘Next’ below.

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

Exothermic and Endothermic Reactions

This quiz will assess you on knowledge learned in today's lesson, as well as what you have learned in earlier lessons.

Q1.What is the reaction called when thermal energy is taken in from the surroundings?

1/5

Q2.What is the temperature change when the start temperature is 75 degrees Celsius and the end temperature is 83 degrees Celsius?

2/5

Q3.How would I recognise a exothermic reaction?

3/5

Q4.Which store does exothermic reactions transfer energy from?

4/5

Q5.By changing a beaker for a Styrofoam cup and lid we

5/5

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

Exothermic and Endothermic Reactions

This quiz will assess you on knowledge learned in today's lesson, as well as what you have learned in earlier lessons.

Q1.What is the reaction called when thermal energy is taken in from the surroundings?

1/5

Q2.What is the temperature change when the start temperature is 75 degrees Celsius and the end temperature is 83 degrees Celsius?

2/5

Q3.How would I recognise a exothermic reaction?

3/5

Q4.Which store does exothermic reactions transfer energy from?

4/5

Q5.By changing a beaker for a Styrofoam cup and lid we

5/5

Lesson summary: Exothermic and endothermic reactions

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The next lesson in:
Energetics and rates
is:
Combustion

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