Where does light come from?
Transcript of Where does light come from?
Lesson 2 Turn on the Lights
Year 1 / 2 Physical Science 1
Unit 1 Energy Comes in Different Forms
Where does light come from?
light dark sunbeams
sources straight
Vocabulary
Lesson 2 Turn on the Lights
Year 1 / 2 Physical Science 2
Unit 1 Energy Comes in Different Forms
Materials needed
INVESTIGATION QUESTION 4
What things can stop light?Class, group or pairs
You will need:
• torch
• book
• foil
• plastic
• cellophane or tissue paper
• a glass of water.
Lesson 2 Turn on the Lights
Year 1 / 2 Physical Science 3
Unit 1 Energy Comes in Different Forms
Watch the video One Small Step.
Think, pair and share all the different things you saw that gave off light.
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Most of the light on Earth comes from the sun. Light from the sun helps us to see in the day time. At night time, we need other light sources to help us see.
Lesson 2 Turn on the Lights
Year 1 / 2 Physical Science 4
Unit 1 Energy Comes in Different Forms
Read the eBook Where Does
Light Come From?
With your class, do the parts, systems, people activity.
2
There are many different sources of light and they are all around us. Very rarely are we ever completely in the dark.
Parts
Name something that gives off light.
Systems
When would you use it?
Where would you use it?
How does it work?
People
Why is it important to people?
Lesson 2 Turn on the Lights
Year 1 / 2 Physical Science 5
Unit 1 Energy Comes in Different Forms
Sort the light sources in the
interactive game.
3
Light comes from many sources. Some are natural and some are made by people.
Unit 1 Energy Comes in Different Forms Lesson 2 Turn on the Lights
Year 1 / 2 Physical Science © Inquisitive Pty Ltd 6
InvestigationLight travels in a straight line until something stops it.You are going to test what things can stop light.Use a torch to shine at these things.
Predict what I think will happen. Will it stop the light?
Observe what I saw. Did it stop the light?
yes / no yes / no
yes / no yes / no
yes / no yes / no
yes / no yes / no
yes / no yes / no
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Unit 1 Energy Comes in Different Forms Lesson 2 Turn on the Lights
Year 1 / 2 Physical Science © Inquisitive Pty Ltd 7
Explain what you saw.
5Book
Cellophane or tissue
Foil
Glass of water
Plastic
Unit 1 Energy Comes in Different Forms Lesson 2 Turn on the Lights
Year 1 / 2 Physical Science © Inquisitive Pty Ltd 8
When lightning strikes, it lights up the sky.
Choose a light source and explain how it works.6
Lightning is made by nature.
It is a bright flash during a thunderstorm.
Lightning Example
Unit 1 Energy Comes in Different Forms Lesson 2 Turn on the Lights
Year 1 / 2 Physical Science © Inquisitive Pty Ltd 9
Sunlight helps us to see things. Write two other things that sunlight is used for.
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I think Why I think that
Sunlight is used …
I think Why I think that
Sunlight is used …
Unit 1 Energy Comes in Different Forms Lesson 2 Turn on the Lights
Year 1 / 2 Physical Science © Inquisitive Pty Ltd 10
The moon is not a light source.
Answer the questions to help you explain why.
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Connect
What do you already know about the moon?
Extend
Light is a type of energy. Does the moon have energy?
Challenge
How then does the moon shine?