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Tonic water under sp50:

Tonic water under spf 130:

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Aim: to find out if a higher SPF sunblock blocks UV light better

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Aim: to find out if a higher SPF sunblock blocks UV light better

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Upload your group's steps for experiment 3 here.

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Always leave your group name in the Subject before posting. Upload a photo of your set up + what the green man saw that surprised him!

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What is one thing you will add to the protocol to make it more specific? (Write your group's name and answer in a comment below)

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What is one thing you will add to the protocol to make it more specific? (Write your group's name and answer in a comment below)

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Do you think it is important to write a clear protocol?Why? (Write your group's name and answer in a comment below)

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Do you think it is important to write a clear protocol?Why? (Write your group's name and answer in a comment below)

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Write down your group's results under this column.(You may include photos of your observations).

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Write down your group's results under this column.(You may include photos of your observations).

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The tonic water is (bluish/not bluish).

The soda water is (bluish/not bluish).

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Please comment for two other groups. E.g. If you are in Group 1, you will have to comment for groups 2 & 3. If you are in Group 7, you will have to comment for groups 1 &2. You may split the work within your own group.

a. Look at other groups' sequencing of experimental procedure and compare it to your own group's. Comment under the photo if their procedure is acceptable. Why/ why not?

b. Look at other groups' experimental set-ups and compare to your own's. Comment each group's set-up using Affirm, Question, Suggest.

Your post should look like this, e.g.:
Affirm: We like that the beakers are labelled .
Question: How do you know which circle is sunscreen and which is body lotion?
Suggest: It will be better if you can use equal volume of liquids in both beakers.

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Nice rainbow

Photo 3 = Set up

Photo 1 & 2 = Rainbow

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A large rainbow

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Asher,Branden, eslyn

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The steps

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Tonic water 🥃 = blueish water

Soda water 🥤= not blueish water

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Picture 1: soda water.           Picture 2:tonic water

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The soda water is not bluish .

The tonic water is bluish.

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1st photo -> tonic water (bluish)

2nd photo -> soda water (not bluish)

🦝

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Aim: To find out if sunscreen or body lotion blocks UV radiation best

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Aim: To find out if sunscreen or body lotion blocks UV radiation best

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Write down your group's results under this column. You may include your observations.

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Write down your group's results under this column. You may include your observations.

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Soda water under body lotion:

Tonic water under body lotion:

Soda water under sunblock:

Tonic water under sunblock:

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Asher

Branden

Eslyn

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Our work

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Soda water under body lotion - not bluish

Tonic water under body lotion - a little bluish only

Soda water under sunscreen - not bluish

Tonic water under sunscreen - not bluish

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Tonic under sunscreen not bluish

Soda under sunscreen not bluish

Tonic under lotion a bit bluish

Soda under lotion not bluish

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Tonic water with body lotion:bluish

Tonic water with sunscreen:not bluish

Soda water with sunscreen:not bluish

Sunscreen with body lotion:bluish

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Tonic under sunscreen not bluish. Tonic under Baby cream a bit bluish.

Soda water under sunscreen not bluish.

Soda water under baby cream a bit bluish.

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Soda water under body lotion: No uv light passed through

Tonic water under body lotion: 60% Uv light passed through

Soda water under sunscreen: No uv light passed through

Tonic water under sunscreen: No uv light passed through

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1.trace the beaker on the transparency

2.apply the spf 50 and spf 150 sunscreen on different circles on the transparency

3.pour 100ml of tonic on the respective Beakers

4.put the Transparency OVer the beAkeRs

5.shine a Uv light over one of The beakers

6.OBserve on THE side FocUsinG on the SufaCE of the waters

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1. Draw two circle of the same size on the clear plastic.

2. Put the 5 drops of 50 SPF sunscreen on 1 of the circle then do the same for the 130SPF.

3. Spread it.

4. Put the clear plastic on the top of each beaker filled with tonic,be sure it’s aligned.

5. Shine the uv torch and observe.

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1. Pour 2 beakers of tonic water of 80ml

2. Apply the other sunscreen on the transparency sheet

3. Label which sunscreen has 130 SPF and which sunscreen has 50 SPF

4. Place the transparency sheet over the beakers

5. Set a UV torch over the two glass beakers and turn it on

6. Observe the glasses from the side, focusing on the surface of the liquid

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1) draw a 2 circles on the transparency that is same size of the beaker

2)apply the same amount of different spf sunscreen on each of the circles

3) put the transparency on top of the beaker which has tonic water

4) shine the UV light on top of the transparency on top of the beaker which

5) repeat but switch the type of sunscreen and observe any changes

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1. Label each beaker then Pour 100ml of tonic water into each of the two beaker

2. Draw on the transparency two circles with the same diameter as the glass.

3. Spread some sunscreen on one of the circles and some some sunscreen with higher SPF onto the other

4. Place the transparency over the two glass beakers.

5. Shine the UV torch over the two beakers

6. Observe the glasses from the side.

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Step1: Pour 100ml tonic water into a glass beaker.

Step2:Pour 100ml soda water into a glass beaker.

Step3:Draw on the transparency two circles with the same diameter as the glass.

Step4:Spread the same amount of SPF50 sunscreen on one of the circle and the same amount of SPF130 sunscreen on the other.

Step5:Place the transparency over the two glass beaker. Make sure that the sunscreen is above the tonic water and the sunscreen is above the sofa water.

Step6:Set a UV torch over the two glass beakers and turn it on.

Step7:Observe the glasses from the side, focusing on the surface of the liquid.

Step8:Reverse the order of the circles.

Step9:Observe the glasses from the side, focusing on the surface of the liquid.

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1.trace two beakers the is the same size of the beaker on the transparency

2.on one of the circle put the spf 50 sun screen and make sure it is a thin transparent layer

3.using the same amount of sun screen , apply the SPF 150 sun screen one the other circle and make sure it is a thin and transparent layer

4.put the spf 50 circle over the beaker

5.switch on the uv light and hold it over the transparency.

6. Observe

7.Change the circle over the beaker to the spf 150 sunscreen than repeat steps5 and 6

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1. Label each beaker then Pour 100ml of tonic water into each of the two beaker

2. Draw on the transparency two circles with the same diameter as the glass.

3. Spread some sunscreen on one of the circle with a Lower spf and some sunscreen with higher SPF onto the other

4. Place the transparency over the two glass beakers.

5. Shine the UV torch over the two beakers

6. Observe the glasses from the side.

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SPF 50: NoT bLUiSh

sPF130:not BLUIsh

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Observation

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Tonic water under spf 50 - not bluish

Tonic water under spf 130 - not bluish

In conclusion, both are NOT BLUISH 🤯

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After you have organised the steps on the paper, take a clear photo of it and post it here with your group name under the 'Subject'.