Soapy Rally
Sustainable thinking & acting
Sustainable choices
Worksheet from
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1
Can or bottle?
What do you prefer to take to school? Can or bottle filled
with refreshments?
I prefer a can / bottle, because
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When the can/bottle is empty I put it into
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2
Cans can be recycled.
1. Must cans be collected separately of in a grey container with waste of all types?
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2. How are cans taken out of the waste?
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3. What metals are in cans?
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4. What can be made of recycled cans?
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3
Plastic can be recycled too.
1. What types of plastics are allowed in the plastic waste bags?
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2. What types of plastics are not allowed in the plastic waste bags?
Sustainable choices
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Soapy Rally
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3. How are plastic types in the waste separated?
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4. What can be made of recycled plastic?
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What is best for the environment?
A can/ bottle because
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Did you compare can or plastic in a fair way? Yes / No
5
A fair comparision with a sustainability report
You list 10 properties of cans and plastic bottles.
Per property you can give a score of 1, 2 or 3 points.
3 points is best for the environment, 0 points is less best.
Add the score of all 10 properties. The higher the total score the
better for the environment.
Example: Can you see what is inside a can or bottle?
This makes 2 or 3 points for a plastic bottle and 0 points for a can.
Can
Plastic bottle
Is the packaging strong?
Is the packaging light?
Can you close the packaging after use?
What packaging is best for the staff working in shops?
Can the content of the packaging be kept for a long time?
Is the packaging itself durable?
Is it easy to separate the packaging in the place where you live?
Is it easy to separate the packaging in the waste processing
factory?
What waste is easiest to transport to the waste processing
factory?
What waste can be remelted at the lowest temperature?
Total score:
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Worksheet
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And the winner is :
6
Clear? Why do you buy water in plastic bottles and not in cans?
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The solar car of Solar Team Twente is made
of plastic and metal.
What is the best choice for the cover: plastic
or metal?
I choose plastic / metal because
1: ___________________________________________________________________
2: ___________________________________________________________________
3: ___________________________________________________________________
What do you choose for the bottom and wheels?
I choose plastic / metal because
1: _____________________________________
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2: ___________________________________________________________________
3: ___________________________________________________________________
8
There are two methods to make a plastic boat.
Yoy can use these methods for the solar car of Solar Team Twente.
Watch the films.
Note down the 5 steps of making a boat following method number 1 and 2.
Sustainable choices
Worksheet
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Soapy Rally
Sustainable choices
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Method 1: melting plastic granulate
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Step 1
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Step 2
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Step 3
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Step 4
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Step 5
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Method 2: polyester and fibres
Step 1
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Step 2
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Step 3
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Step 4
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Step 5
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What method is best to make a solar car? Explain why.
Method ……… is best, because
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Can you use this method for the cover of your SOAPY?
Yes / No, because
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What materials can you use for the cover of your SOAPY?
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Sustainable choices
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