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Simple science experiments to do at home - make a rain gauge

Updated on April 1, 2008

Make A Rain Gauge

Its easy to make a rain gauge to monitor rainfall in your garden. This acts as a simple introduction to the rain cycle.

What You Need

1. A plastic 2 litre lemonade or cola bottle.

2. Scissors

3. Bread knife to cut bottle.

4. Insulating tape.

5. Ruler

First find an empty two litre plastic lemonade or cola bottle and cut it into two sections. Cut about two thirds of the way up with a sharp knife - I used a serated bread knife. The top half can then be inverted and pushed into the bottom half. This makes a funnel to catch the rain and prevent evaporation if the sun does shine during your experiment.

Use the insulating tape to hold the two bottle halves together. The insulating tape can also be used to make 10mm markers to act as a measure. Apply small pieces of tape at 10mm intervals to make a measure. Start the first marker a little way up the bottle ignoring the curved base so you get a true measurement of rainfall.

Place your finished rain gauge in a shady spot - to minimise evaporation and where it can't be knocked over by wind or pets. You can support your gauge either by using a few bricks or stones around the base, by sinking it partly into soil or making a hanging device from a wire coat hanger and hanging your gauge from a fence or wall.

The results of your experiment can be plotted on a graph to measure your areas average rainfall over time.

Our Rain Gauge
Our Rain Gauge


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      yoman 5 years ago

      cool man,I got A++ in my social science project.

    • profile image

      lulu 5 years ago

      I am doing a project on weather, and i am going to have the best rain Gauge in the whole class. Thank you so much!!

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      mike 6 years ago

      I think I am going to use this for a cub scout project. looks very simple and easy to make. I am going to use a stake and a screw to hold it and am also going to drill/poke a hole near the top of the bottom piece of bottle so i can drain the water out if i want to. thanks for the idea

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      dorri411 6 years ago

      thsnks, im gonna ace this

    • profile image

      Diksha Bobade 6 years ago

      Thank you!

      It will help me in my project.

      Thanks a lot.

    • profile image

      priti sarma sankar 6 years ago

      thanks a lot,it will help me in my project seems very chep n easy method for rain water collection.

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      aaliah 6 years ago

      im going to use this for class

    • profile image

      oohla 6 years ago

      thanks for helping with my school project

    • profile image

      Natalie 7 years ago

      I hade to make a weather isterment for school and i got a really good grade using your help :}

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      Squidy  7 years ago

      thanks for the help with school im sure i will get a A on my project

    • profile image

      pragya 7 years ago

      thanks, that's really easy and helpful for a science project.

    • profile image

      aanchal 7 years ago

      thanks .it was a great help to my project.

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      Prossy  7 years ago

      Thank you for putting this together, it has helped my daughter do school project work.

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      Flame 8 years ago

      Firstly, i would like to thank you for the trouble you took to publish this. There is however, i must say, i gaping flaw in this. By taping the funnel and bottle together, may i ask how are you going to empty the rainwater? If your answer would be untaping the tape, then don't you think that this woud be troublesome? Hahahs. Good work though.

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      areeba 8 years ago

      thank you so much.i don't know what i would have done to find a rain gauge so easily.ecpasailly made in homes. thanks again!

    • RainbowRecognizer profile image

      RainbowRecognizer 9 years ago from Midwest

      Thank you - this is a great thing to do at home with the kids... and we certainly are coming into our rain cycle where we're at! :)