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1. Place a full glass of water as close as possible to the edge of the table.

2. Place a chair close to the edge of the table where the glass is.

3. Place a sheet of white paper on the chair.

4. One pupil should stand on the other end of the table and direct a flashlight at the glass. Look at the white paper.

5. Write down or draw what you saw.

Post a picture of your observation in your group's workspace.

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Task 2 part(a): State the aim of the experiment

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Task 2 part(a): State the aim of the experiment

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The green man rushed off to design an experiment to test whether

(i)UV light is emitted from the table lamp

(ii)quinine can be used to test for UV light.

State the aims of the experiments, (i) and (ii)

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Task 2 part (b): Organising the experiment stages 

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Task 2 part (b): Organising the experiment stages 

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Refer to your worksheet. Arrange the stages in the logical sequence. Post a picture of your procedure in your group's workspace.

After organising the experiment stages, are there any stages in the protocol for which the order can be switched? If so, which ones?

Read through other groups' stages. Do you agree with all their suggested stages? Why or why not?

Get approval from the teacher before you conduct the experiment.

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Task 2 Part (c): Conduct the experiments 

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Task 2 Part (c): Conduct the experiments 

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Conduct the experiment. Take photos of your experiments set-ups for (i) and (ii) and upload on your group's workspace.

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1. What is the purpose of the soda water?

2. How do you ensure a fair test?

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Task 3: Organising the stages for task 3

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Task 3: Organising the stages for task 3

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Refer to your worksheet. Arrange the stages in the logical sequence. Post a picture of your procedure in your group's workspace.

After organising the experiment stages, are there any stages in the protocol for which the order can be switched? If so, which ones?

Read through other groups' stages. Do you agree with all their suggested stages? Why or why not?

Get approval from the teacher before you conduct the experiment.

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1. How do you ensure a fair test? Why is that important?

2. What is the aim of the experiment according to the Green Man?

3. With this aim in mind, how would you change the steps to align to the aim?
4. How do we quantify how effective the sunblock is at blocking UV radiation?

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Conduct the experiment. Take photos of your experiments set-up and upload on your group's workspace.

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There were some colours on the paper.  You must open the photo to see the colours

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Chenxuan
Amay
Jotham
Jaevan

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The light on the paper was refracted by the light from the beaker.

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The light on the paper was refracted by the light from the beaker.

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Santhosh,akshith,gurshan,havisha

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There are two tiny rainbows at the side

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We saw UV light

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What we think we should change for a better result.

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What we think we should change for a better result.

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The darkness of the room
The amount of light shone
The clearness of the beaker

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Use tonic water because it has chemicals that refracts more light. Than normal water

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Use tonic water because it has chemicals that refracts more light. Than normal water

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We would have positioned the items diffirently.

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We would have positioned the items diffirently.

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Change the light source to get a better effect

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1,4,2,5,3
Do u agree.

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Our tonic

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Light blue:tonikwater

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Blue is tonic water and purple is soda water

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The water which is purple is soda water. The water which is blue is tonic water

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The water which is purple is soda water. The water which is blue is tonic water

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The bluish cup is tonic water, the purpleish cup is soda water

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The bluish cup is tonic water, the purpleish cup is soda water

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Tonik water is blue and soda is purple

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Light is made out of phomtoms which is the smallest unit of light.

The drinks are canbonated which is why they glow