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Sunlight can be dangerous

In this worksheet, students will consider how to protect themselves from sunlight and how the sun's rays can affect life on Earth.

'Sunlight can be dangerous' worksheet

Key stage:  KS 2

Curriculum topic:   Light

Curriculum subtopic:   Protection from Sunlight

Difficulty level:  

Worksheet Overview

QUESTION 1 of 10

The sun is a huge glowing sphere of hot gas.

 

 Sun

 

It shines down on earth, on all of us, the animals and plants and the land.

 

We need the sun to help everything grow and be healthy, BUT we also need to protect ourselves from the sun, as it can be dangerous if we get too much.

 

In this worksheet, you are going to think about the dangers of the sun and the best way we can protect ourselves and the Earth.

First, let's think about ourselves.

 

Girl

 

Choose TWO parts of our bodies which might need protection from the sun.

our skin

our hair

our eyes

our teeth

Match up the reasons why you think we need to protect these parts of our bodies.

Column A

Column B

our eyes
because the light from the sun is so bright
our skin
because heat from the sun can burn

Which TWO of these objects would be good to help protect ourselves from the sun?

a large ice-cream

dark glasses

a large hat

a cup filled with water

How do you think dark glasses might provide good protection for our eyes?

 

Think about the material they are made from.

 

Sunglasses

the dark lenses block all the sunlight

they are transparent so let light through so we can see

the lenses let some light through, but not all of it

During an ECLIPSE of the sun it is best only to look at the sun when it is completely covered by what?

 

Earth

Moon

Mars

Jupiter

Suggest TWO other ways that can we protect ourselves from the dangerous rays from the sun.

 

Tick two answers.

Always stay inside.

Use suntan lotion to protect our skin.

Do not look directly at the sun.

Plants also need to protect themselves from being exposed to too much sunshine.

 

Why might it be dangerous for them?

 

Wilting sunflower

they might become dehydrated

the leaves might get sunburned

the flowers might not form properly

Look at this diagram:

 

Sun shining on Earth

 

How does the Earth protect life on its surface from the dangerous rays of the sun?

by spinning away from the sun

with gases in the atmosphere

by putting the moon between the sun and the earth

New words coming up!  Don't worry - just read all about it and go "wow"!

 

The ozone is an important layer within the part of the atmosphere called the stratosphere. 

 

Earth's atmosphere

 

The OZONE LAYER is very important is helping protect us and the Earth from the sun's ultraviolet rays. These rays are so bright and hot that they would dry up all the water on Earth. Without water all living things on Earth would die.

 

The ozone layer also helps keep important gases, such as oxygen, within the Earth's atmosphere. 

 

So, having read all that (want to read it again?), what do you think might happen to humans on the planet if the ozone layer disappeared?

 

Tick two answers.

humans would die out

humans would get skin diseases

days would get longer

Apart from us humans, other animals may also need to protect themselves from getting too much sun.

 

Dog panting

 

How do you think they do this?

find a shady spot, out of the sun

drink lots of water

move to a cooler country

  • Question 1

First, let's think about ourselves.

 

Girl

 

Choose TWO parts of our bodies which might need protection from the sun.

CORRECT ANSWER
our skin
our eyes
EDDIE SAYS
Our eyes and skin both need protecting from the sun if we are in the sun for a long period of time. Our skin can get burned (and damaged) if we spend too long in direct sunlight. Our eyes can also be affected and if they are damaged we won't be able to see properly.
  • Question 2

Match up the reasons why you think we need to protect these parts of our bodies.

CORRECT ANSWER

Column A

Column B

our eyes
because the light from the sun is...
our skin
because heat from the sun can bur...
EDDIE SAYS
Even this far away from the sun, the heat is sufficient to damage our skin - people with fair skins can actually go red if they get sunburned. The light from the sun is also bright - if our eyes spend too long in bright sunshine, they can also be damaged.
  • Question 3

Which TWO of these objects would be good to help protect ourselves from the sun?

CORRECT ANSWER
dark glasses
a large hat
EDDIE SAYS
Wearing dark glasses and wearing a wide-brimmed (large) hat are both good ways to protect ourselves from direct sunshine. Drinking water also helps our bodies stay healthy by making sure we are not getting too hot and dehydrated, but it doesn't provide direct protection from the rays of the sun. Ice-creams are yummy, but not that important as sun protection!
  • Question 4

How do you think dark glasses might provide good protection for our eyes?

 

Think about the material they are made from.

 

Sunglasses

CORRECT ANSWER
the lenses let some light through, but not all of it
EDDIE SAYS
The lenses in sunglasses are cleverly designed so that the harmful UV rays of light are screened out, so they don't damage our eyes, but the useful rays of light (so we can see where we are going!) are allowed through. Imagine having glasses that blocked all the light out - you wouldn't be able to see anything at all!
  • Question 5

During an ECLIPSE of the sun it is best only to look at the sun when it is completely covered by what?

 

CORRECT ANSWER
Moon
EDDIE SAYS
Eclipses are brilliant and eclipses of the sun are the best! That's when the moon moves so that it totally blocks the sun's light from reaching that part of the Earth - you can see a tiny ring of sunshine around it, perhaps for a minute. If you ever get a chance to experience a total solar eclipse, DON'T MISS IT!
  • Question 6

Suggest TWO other ways that can we protect ourselves from the dangerous rays from the sun.

 

Tick two answers.

CORRECT ANSWER
Use suntan lotion to protect our skin.
Do not look directly at the sun.
EDDIE SAYS
Staying indoors and out of the sun would do it, but we can't always stay inside! Suntan lotion is designed so that just the harmful UV rays of the sun (that damage the skin) are screened out - a bit like the way that sunglasses work. The other thing you'll almost certainly have been taught (you worked it out for yourself anyway, didn't you?) is never to look directly at the sun - people have been known to have gone blind when they've stared at the sun. It's too bright!
  • Question 7

Plants also need to protect themselves from being exposed to too much sunshine.

 

Why might it be dangerous for them?

 

Wilting sunflower

CORRECT ANSWER
they might become dehydrated
EDDIE SAYS
Plants can become dehydrated (get ill from not having enough water inside them) and also become too hot from the heat of the sun. They can use up the water in the earth around them and in their stems to keep cool and stay healthy. If this water is not replaced, plants start to wilt (go floppy) and will eventually die.
  • Question 8

Look at this diagram:

 

Sun shining on Earth

 

How does the Earth protect life on its surface from the dangerous rays of the sun?

CORRECT ANSWER
with gases in the atmosphere
EDDIE SAYS
As you can see from the diagram, the atmosphere around us is several layers of gases that surround the Earth. It prevents lots of dangerous radiation from the sun reaching the surface of our Earth. Isn't that brilliant? Automatic protection!
  • Question 9

New words coming up!  Don't worry - just read all about it and go "wow"!

 

The ozone is an important layer within the part of the atmosphere called the stratosphere. 

 

Earth's atmosphere

 

The OZONE LAYER is very important is helping protect us and the Earth from the sun's ultraviolet rays. These rays are so bright and hot that they would dry up all the water on Earth. Without water all living things on Earth would die.

 

The ozone layer also helps keep important gases, such as oxygen, within the Earth's atmosphere. 

 

So, having read all that (want to read it again?), what do you think might happen to humans on the planet if the ozone layer disappeared?

 

Tick two answers.

CORRECT ANSWER
humans would die out
humans would get skin diseases
EDDIE SAYS
The ozone layer is sooo important! It screens out a lot of the really deadly rays from the sun. In fact, without it, much of the life on our planet would be killed! So, it's important we look after the ozone layer, isn't it?
  • Question 10

Apart from us humans, other animals may also need to protect themselves from getting too much sun.

 

Dog panting

 

How do you think they do this?

CORRECT ANSWER
find a shady spot, out of the sun
EDDIE SAYS
Whilst drinking lots of water will help to hydrate their bodies, it won't protect them from the sun. Moving to another country would work, but if you are a beetle that may be a problem! The best thing to do is to get out of the direct rays of the sun. How often have you seen a dog, sitting under a tree in the park on a sunny day? Or a slug choosing a crack in the pavement, where it's cool and dark?
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