Year 8 Science

Week beginning 20th July

This week's video seminar

If the video won't play in full screen, click "Watch on Loom".

Scroll down for this week's tasks.

Learning intentions

  • What happens when acids and alkalis are mixed together?

  • Explain how stomach acid can be neutralised

  • Recall the pollutant that causes acid rain

  • Describe how acid rain in lakes can be neutralised

  • Explain how the amount of emissions could be reduced

Total study time this week: 4 hours

Office hours

If you have any questions or need support, we will be running a live email Q&A at the time shown below.

  • Miss Marwaha

  • Office hours: Tuesday 12-1pm (click here)

You can also email Mrs Perera at any time here.

Acid and Alkalis

  • We are continuing with the Acids and alkalis topic which you may have looked into at primary school or during the first term.

  • Watch the webinar above and download the lesson PowerPoint here

  • Complete all the tasks outlined below

  • You can do your work on paper, in a notebook, on PowerPoint, or a word document. Please keep your work safe till we return to school.

  • You would normally have four hours of science lesson in school so the tasks have been split into chunks to help you manage your time. You can do them all at once or in separate chunks.

Lesson 1: What is neutralisation?

  1. Do your daily goal on Tassomai (15mins)

  2. Watch this video. Read the information provided on these two webpages (1 and 2) and write definitions for each the following key words:

  • Acid

  • Corrosive

  • Alkali

  • Base

  • Neutral (20 minutes)

3. Complete this BBC bitesize quiz (10 minutes)


Lesson 2: How do you cure indigestion?

  1. Do your daily goal on Tassomai (15 minutes)

  2. Task 4. Watch this Video and then answer the following questions:

  • What food can cause you to need antacids?

  • Antacids can contain four bases. Name as many as you can.

  • Why do you need antacids?

  • What mistake did the scientist make about the colour of neutral solution with Universal Indicator (U.I.)? (15 mins)

  1. Task 5. Watch this video. Explain how antacids work using these words:

  • Acid

  • Base

  • Indigestion

  • Soluble magnesium hydroxide

  • Insoluble calcium carbonate

  • Neutralise (20 mins)


Lesson 3:What is acid rain?

  1. Do your daily goal on Tassomai (15 minutes)

  2. Task 6. Read this webpage and complete this BBC bitesize quiz (10mins)

  3. Task 7. Watch this video. Design a poster to explain the problem with acid rain and how neutralisation can help reduce the acidity of lakes caused by acid rain. (30 mins)



Lesson 4: Revision

  1. Do your daily goal on Tassomai (15 minutes)

  2. Complete the revision slides on the PowerPoint (15 minutes)

3. Task 8 Complete this Google quiz(20 minutes)