# What are some uses of light?

In this lesson, we will learn some of the different uses of light. First, we will look at what a periscope is and how it works. Then, we will learn about the different kinds of lenses that help people to see. To finish our lesson, we will learn about shadow puppet theatres and make our own!

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 5

Q1.What is reflection?

1/5

Q2.What is refraction?

2/5

Q3.What is happening at label A?

3/5

Q4.What is happening at label B?

4/5

Q5.What is happening at label C?

5/5

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 5

Q1.What is reflection?

1/5

Q2.What is refraction?

2/5

Q3.What is happening at label A?

3/5

Q4.What is happening at label B?

4/5

Q5.What is happening at label C?

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:

• 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.

Quiz:

# Science - Reflection end of lesson Quiz

Don't worry if you get a question wrong! Forgetting is an important step in learning. We will recap next lesson.

## Question 5

Q1.What is reflection?

1/5

Q2.What is refraction?

2/5

Q3.Is lens A or B concave?

3/5

Q4.What is happening at the mirrors marked a on the periscope?

4/5

Q5.What can you do to make a shadow bigger?

5/5

Quiz:

# Science - Reflection end of lesson Quiz

Don't worry if you get a question wrong! Forgetting is an important step in learning. We will recap next lesson.

## Question 5

Q1.What is reflection?

1/5

Q2.What is refraction?

2/5

Q3.Is lens A or B concave?

3/5

Q4.What is happening at the mirrors marked a on the periscope?

4/5

Q5.What can you do to make a shadow bigger?

5/5

# Lesson summary: What are some uses of light?

## Time to move!

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

For 5 mins...

Move around:
Walk

On the spot:
Chair yoga