Conservation of mass

In this lesson you will learn about different ways to describe groups of data and learn what we mean by 'conservation of mass'

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!

Question 1

Question 2

Question 3

Question 4

Question 5

Question 6

Question 7

Q1.What is formed when a metal reacts with oxygen?

1/7

Q2.Where do you find the products in a word equation?

2/7

Q3.Which of the following is true about chemical reactions? (Choose 1)

3/7

Q4.How should you start instructions in a method?

4/7

Q5.How can you quantify (measure) how much oxygen was added to a metal as it was oxidised?

5/7

Q6.REVISION: What is a 'trend' in results?

6/7

Q7.REVISION: What is an anomaly?

7/7

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!

Question 1

Question 2

Question 3

Question 4

Question 5

Question 6

Question 7

Q1.What is formed when a metal reacts with oxygen?

1/7

Q2.Where do you find the products in a word equation?

2/7

Q3.Which of the following is true about chemical reactions? (Choose 1)

3/7

Q4.How should you start instructions in a method?

4/7

Q5.How can you quantify (measure) how much oxygen was added to a metal as it was oxidised?

5/7

Q6.REVISION: What is a 'trend' in results?

6/7

Q7.REVISION: What is an anomaly?

7/7

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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  • Click "Next" to view the activity

Your video will re-appear on the next page, and will stay paused in the right place.

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.

Quiz:

Lesson 8 Conservation of Mass

This quiz will test knowledge from the Conservation of Mass lesson AND prior knowledge

Question 1

Question 2

Question 3

Question 4

Question 5

Question 6

Question 7

Q1.What keyword means: 'results close to the true value'?

1/7

Q2.What keyword means: 'someone else repeats the experiment and gets similar results'?

2/7

Q3.What keyword means: 'results are close together'?

3/7

Q4.Which are true for a physical change? Choose 2 answers

Select two (2) boxes

4/7

Q5.Choose the correct definition for conservation of mass.

5/7

Q6.Why might it seem that the total mass of products is less than predicted?

6/7

Q7.REVISION: Where do chemical reactions take place in a body cell?

7/7

Quiz:

Lesson 8 Conservation of Mass

This quiz will test knowledge from the Conservation of Mass lesson AND prior knowledge

Question 1

Question 2

Question 3

Question 4

Question 5

Question 6

Question 7

Q1.What keyword means: 'results close to the true value'?

1/7

Q2.What keyword means: 'someone else repeats the experiment and gets similar results'?

2/7

Q3.What keyword means: 'results are close together'?

3/7

Q4.Which are true for a physical change? Choose 2 answers

Select two (2) boxes

4/7

Q5.Choose the correct definition for conservation of mass.

5/7

Q6.Why might it seem that the total mass of products is less than predicted?

6/7

Q7.REVISION: Where do chemical reactions take place in a body cell?

7/7

Lesson summary: Conservation of mass

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