Protein and Fats

This lesson explores what proteins and fats are and how to chemically test for the presence of these in foods.

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.Which of these are examples of carbohydrates?

1/8

Q2.What is starch made up of?

2/8

Q3.What are three ways that the body needs energy? Choose three answers.

Select three (3) boxes

3/8

Q4.What is the chemical test for starch?

4/8

Q5.What is the colour change you expect to observe when iodine is in the presence of starch?

5/8

Q6.What is the chemical test for sugars?

6/8

Q7.What is wrong with the following method when testing for sugar?

7/8

Q8.What is the colour change you expect to observe when Benedict's solution is in the presence of sugars?

8/8

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.Which of these are examples of carbohydrates?

1/8

Q2.What is starch made up of?

2/8

Q3.What are three ways that the body needs energy? Choose three answers.

Select three (3) boxes

3/8

Q4.What is the chemical test for starch?

4/8

Q5.What is the colour change you expect to observe when iodine is in the presence of starch?

5/8

Q6.What is the chemical test for sugars?

6/8

Q7.What is wrong with the following method when testing for sugar?

7/8

Q8.What is the colour change you expect to observe when Benedict's solution is in the presence of sugars?

8/8

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:

Proteins and Fats-

This quiz will assess you on knowledge gained in this lesson and some of you prior knowledge.

Q1.Why does the body need protein?

1/7

Q2.What is the chemical test for starch?

2/7

Q3.Which of the following are examples of carbohydrates? Choose two answers.

Select two (2) boxes

3/7

Q4.What colour change is observed when Biuret solution tests for proteins?

4/7

Q5.What type of carbohydrate is this?

5/7

Q6.What is the chemical test for fats?

6/7

Q7.What is this molecule and example of?

7/7

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:

Proteins and Fats-

This quiz will assess you on knowledge gained in this lesson and some of you prior knowledge.

Q1.Why does the body need protein?

1/7

Q2.What is the chemical test for starch?

2/7

Q3.Which of the following are examples of carbohydrates? Choose two answers.

Select two (2) boxes

3/7

Q4.What colour change is observed when Biuret solution tests for proteins?

4/7

Q5.What type of carbohydrate is this?

5/7

Q6.What is the chemical test for fats?

6/7

Q7.What is this molecule and example of?

7/7

Lesson summary: Protein and Fats

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