Carbohydrates

This lesson explores what we mean by carbohydrates 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!

Question 1

Question 2

Question 3

Question 4

Question 5

Question 6

Question 7

Q1.What is the chemical reaction that releases energy from our foods?

1/7

Q2.What components are our main energy sources? (Choose two answers)

Select two (2) boxes

2/7

Q3.Which is the correct equation for respiration?

3/7

Q4.What deficiency causes rickets?

4/7

Q5.What deficiency disease would I have with the following symptoms: bleeding gums, tiredness, hair loss.

5/7

Q6.What are the reactants of respiration? (Choose two answers)

Select two (2) boxes

6/7

Q7.Why does the body need energy?

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:

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 the chemical reaction that releases energy from our foods?

1/7

Q2.What components are our main energy sources? (Choose two answers)

Select two (2) boxes

2/7

Q3.Which is the correct equation for respiration?

3/7

Q4.What deficiency causes rickets?

4/7

Q5.What deficiency disease would I have with the following symptoms: bleeding gums, tiredness, hair loss.

5/7

Q6.What are the reactants of respiration? (Choose two answers)

Select two (2) boxes

6/7

Q7.Why does the body need energy?

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:

  • Click "Close Video"
  • 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.

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:

Carbohydrates

This short quiz will assess your knowledge gained in this session and some prior knowledge.

Question 1

Question 2

Question 3

Question 4

Question 5

Question 6

Question 7

Question 8

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:

Carbohydrates

This short quiz will assess your knowledge gained in this session and some prior knowledge.

Question 1

Question 2

Question 3

Question 4

Question 5

Question 6

Question 7

Question 8

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

Lesson summary: Carbohydrates

It looks like you have not completed one of the quizzes.

To share your results with your teacher please complete one of the quizzes.

Time to move!

Did you know that exercise helps your concentration and ability to learn?

For 5 mins...

Move around:
Jog

On the spot:
Dance

Take part in The Big Ask.

The Children's Commissioner for England wants to know what matters to young people.

Share your views and have your voice heard.

Browse Oak's lessons: