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Lesson 4 - Virtual water use
Lesson 4 - Virtual water use
To know - virtual water use
To know - virtual water use
To be able to - identify types of virtual water use and propose ways we can conserve water through our choices in food and clothes
To be able to - identify types of virtual water use and propose ways we can conserve water through our choices in food and clothes
virtual water
virtual water
Virtual water is the term used to describe the indirect uses of water. Virtual water is the water used to produce certain products we use every day, like food and water.
Virtual water is the term used to describe the indirect uses of water. Virtual water is the water used to produce certain products we use every day, like food and water.
Facts about water in food production
Facts about water in food production
Dairy and meat products use the most water.
Dairy and meat products use the most water.
A regular burger requires 2000L of water to make.
A regular burger requires 2000L of water to make.
It takes 2500L of water to make 100 grams of cheese.
It takes 2500L of water to make 100 grams of cheese.
It takes 140L of water to make one cup of coffee.
It takes 140L of water to make one cup of coffee.
15,000L of water is needed to make 1kg of steak.
15,000L of water is needed to make 1kg of steak.
Facts about virtual water used to make clothes
Facts about virtual water used to make clothes
It takes 11,000L of water to make one pair of jeans!
It takes 11,000L of water to make one pair of jeans!
A regular t-shirt requires 2700L of water to produce.
A regular t-shirt requires 2700L of water to produce.
The average pair of shoes uses 8500L of water to produce.
The average pair of shoes uses 8500L of water to produce.
The average pair of undies requires 1000L of water to make.
The average pair of undies requires 1000L of water to make.
Task 1 - Virtual water videos
Task 1 - Virtual water videos
These three videos give you facts about virtual water use. Write down three facts from each video.
These three videos give you facts about virtual water use. Write down three facts from each video.
Task 2 - water and food
Task 2 - water and food
Use the information from this graph to complete these sentences.
Use the information from this graph to complete these sentences.
1- It takes __________L of water to make 1kg of nuts.
1- It takes __________L of water to make 1kg of nuts.
2 - It takes __________L of water to make 1kg of cheese.
2 - It takes __________L of water to make 1kg of cheese.
3- It takes __________L of water to make 1kg of beef.
3- It takes __________L of water to make 1kg of beef.
4 - It takes __________L of water to make 1kg of tomatoes.
4 - It takes __________L of water to make 1kg of tomatoes.
5 - It takes __________L of water to make 1kg of pork.
5 - It takes __________L of water to make 1kg of pork.
6 - It takes __________L of water to make 1kg of fish.
6 - It takes __________L of water to make 1kg of fish.
7 - It takes __________L of water to make 1kg of eggs.
7 - It takes __________L of water to make 1kg of eggs.
8 - It takes __________L of water to make 1kg of potatoes.
8 - It takes __________L of water to make 1kg of potatoes.
9 - It takes __________L of water to make a 1kg of root vegetables.
9 - It takes __________L of water to make a 1kg of root vegetables.
10 - Which type of food uses the most amount of water to make?
10 - Which type of food uses the most amount of water to make?
11 - Why do some types of food use more litres of water to grow/make than others? Answer this question as a HAMMER paragraph, you need to use at least two examples (one which uses a lot of water and one that does not) in your answer.
11 - Why do some types of food use more litres of water to grow/make than others? Answer this question as a HAMMER paragraph, you need to use at least two examples (one which uses a lot of water and one that does not) in your answer.
kahoot on how much water is needed to make certain types of food
kahoot on how much water is needed to make certain types of food
Books closed, no cheating.
Books closed, no cheating.
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