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Description

Discover the power of the Sun and how it can help save the world by creating a simple solar water heater in this simple camp activity.

source: https://www.scouts.org.uk/activities/solar-superstars-diy-solar-shower/

Resources

Plastic bottles, such as fizzy drink bottles, squash bottles or milk bottles – one per group, per pair or per person
Bin bag
Drill or hammer and nail
Protective safety goggles – one per group

Instructions

Before you begin
Use the safety checklist to help you plan and risk assess your activity. Additional help to carry out your risk assessment, including examples can be found here. Don’t forget to make sure all young people and adults involved in the activity know how to take part safely.
Before this activity, ask young people to collect large plastic bottles, such as for squash or milk.
Set the scene
Ask the young people about Net Zero. Have they heard of Net Zero before? Do they know what Net Zero is? How does everyone think we might be able to achieve Net Zero?
As a group or in small groups, discuss how using renewable sources of energy can help us to stop burning fossil fuels and reduce our carbon footprint.
Tell everyone that we might not be able to generate electricity on camp, but we can use renewable energy sources to help us in other ways. One way to do this is using the sun to heat water and that you’re going to try making a solar power shower!
You could find out if there’s ways your meeting place or camp is being sustainable and share these examples with the group, too.


Start the activity
Ask everyone to get into pairs or groups. This activity could also be done individually.
Each group should remove the lid from their bottle.
They should place the lid face down on a hard surface.
With adult supervision, using a hammer and nail or drill, the group should take it in turns to make several holes in each bottle lid. Remember to wear the safety goggles. It should replicate a shower head.
Each group should fill their bottle with water. Try to keep the volume and temperature consistent between the groups.
Now, tell everyone they’re going to explore heating water using the power of the sun. Ask each group to suggest different places and different ways that we can heat the water in the bottles.
Next, each group’s going to place their bottles around camp. They’re going to leave them for as long as possible to see how hot the water gets in that time. Will it get hot enough to be able to have a warm shower? Some areas to leave the bottles to try heating the water could include:
In the sun,
In the shade,
In a tent,
Wrapped in a towel,
And wrapped in a bin bag.
You might want to leave a note on the bottles if they’re left around the campsite so people don’t pick them up, move them or put them in the bin.

At the end of the time, gather the bottles up and see what happened to the temperature of the water. Did it make a difference depending on where the bottle was left? Which groups got the hottest and where/how was it left?

Tags

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Badge Links

• Environmental Conservation - Conservation
• World - Environmental project