Push taps or twist taps- Push taps or twist taps- which saves more water?which saves more water?

Lets find out ………….Lets find out ………….

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Miss Guest’s First ClassMiss Guest’s First Class

Our experiment:Our experiment:

• We had the task of finding out which We had the task of finding out which tap- twist or push, was more tap- twist or push, was more efficient, i.e. which one used the efficient, i.e. which one used the least water.least water.

What we didWhat we did::

• We nominated two people to wash We nominated two people to wash their hands- one using the twist tap their hands- one using the twist tap and the other using the push tap.and the other using the push tap.

• We collected the water being used in We collected the water being used in a basin and poured the water from a basin and poured the water from both basins into two separate jars of both basins into two separate jars of the same size.the same size.

Next …….Next …….

• We drew a line on each jar at the We drew a line on each jar at the point where the water rose up to.point where the water rose up to.

• There was a BIG difference between There was a BIG difference between the two!the two!

For the next five school daysFor the next five school days……

• We wrote a tick beside our name on We wrote a tick beside our name on a chart which teacher had made, a chart which teacher had made, every time we washed our hands every time we washed our hands after going to the toilet.after going to the toilet.

After the 5 days…After the 5 days…

• Teacher counted up all the times we Teacher counted up all the times we washed our hands during a school washed our hands during a school week using our new push taps in the week using our new push taps in the toilet and then multiplied that by the toilet and then multiplied that by the amount of water in the jar from the amount of water in the jar from the push tappush tap

Also…Also…

• Teacher calculated how much water Teacher calculated how much water we would have used if we still had we would have used if we still had twist taps in the toilets.twist taps in the toilets.

• We examined the difference between We examined the difference between the 2 results.the 2 results.

We discovered…..We discovered…..

• That each time we washed our hands That each time we washed our hands with a twist tap, it used about 12ml with a twist tap, it used about 12ml of water.of water.

• Whereas if we still used twist taps, Whereas if we still used twist taps, we would use around 90ml of water we would use around 90ml of water each time we washed our hands!!!each time we washed our hands!!!

• That’s a BIG difference!That’s a BIG difference!

Finally….Finally….

• We calculated how much water we We calculated how much water we would save every week by using would save every week by using these fantastic water- saving twist these fantastic water- saving twist taps.taps.

• We discovered that we would save We discovered that we would save 11.7 litres of water per classroom, 11.7 litres of water per classroom, PER WEEK!PER WEEK!

This shows how many times we This shows how many times we used the push taps in one used the push taps in one week- the total was 150 times.week- the total was 150 times.

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Imagine if….Imagine if….

• We still were using twist taps and We still were using twist taps and washing our hands that many times washing our hands that many times in a week!in a week!

• We would be wasting a lot of water We would be wasting a lot of water so we think that the Push Tap is a so we think that the Push Tap is a clear winner!!clear winner!!