how to make a rain gauge with a mason jar
We found a 40 x 40 cm and 18 mm thick water proof wooden board in our carpentry workshop. You could even video call one of your family members and show them how good you’ve got at it. Take a strip of packing tape that is as long as your jar is tall and put it over your numbers.
We didn’t bury ours very well, you might want to put yours further into the ground. Take any clear container with a flat bottom. Locate a good place for your gauge. Sheet. on Step 2. We sealed the funnel to the cap using M-seal. On Monday, the Bay Area was blessed with measurable rainfall.
If we collect rain water by placing a funnel over some vessel then volume V of rain water collected in that vessel would be the volume of a cylinder whose radius is r, height is h, In next two steps we will see two models of rain gauge. You could also find more creative ways to fasten it if you’re worried about your fence, or if you think you may want to move it to another spot someday. This is an interesting design for collecting rain water. on Introduction. Now if the volume measured is 245 ml More sophisticated rain gauges have electronic devices to automatically record rain fall. GOOD, I like it.. 5 years ago The idea is to make a safe place for the gauge to hang up so it isn’t blown over, but you have to be able to take it out to dump your rain water out after a storm. We would require a measuring cylinder that can read at least 1 milliliter of volume.
How about making a simple rain gauge? And at places where there are no weather instruments this will give some reasonable indication of rain fall. Do you remember in Nursery when we thought about the rain and lots of rhymes with rain in them? After you have untwisted it, start from the hook side and go down to the first major bend. You now have a rain gauge! Fairly easy (and cool-looking) gauge holder. If you took your gauge off of the hanger it should look like three sides of a rectangle – two long and one shorter. :). As said above one can simply measure height 'h' of collected water in a vessel of uniform cross section. we can easily measure the diameter of the the funnel mouth and get the radius by dividing it by 2. There you go! Neat! Hmm…over 8 inches. Bury the bottle outside, it should be in an open area and away from any trees which might trap some of the rain. This could be a kind of luxury for schools in metropolitan cities. Take your handy pliers (if needed) and twist apart the wire on the top to open your hanger up. Also, rain may be blown FROM or INTO the gauge by wind gusts accompanying the rain storm. Your email address will not be published. This makes sense, but you need to still keep it sheltered from the wind. Or could it be? Take a marker and a straightedge to draw a horizontal line just above the pebbles. Therefore, all we have to do is to collect rain water using a funnel, measure the volume of of water collected in it and then divide by the constant above to get the rain fall measure. Take your glass jar and your ruler. ), A wide-mouthed glass jar (I used a queso jar), Pliers, or similar, to help you unbend the coat hanger. If you do not have a good measuring cylinder at hand you can use two identical small bottles. What the rainfall measure is telling us is the height of rain water collected in a vessel that has vertical walls and has uniform cross section from bottom to the top. I had to keep sliding the gauge in and out to make sure that it fit snugly in the wire, but not so tight that I couldn’t get it out again. Science Sparks assume no liability with regard to injuries or damage to property that may occur as a result of using the information and carrying out the practical activities contained in this resource or in any of the suggested further resources. Then the first bottle is slide into this bottle. Make sure the ruler touches the jar bottom. However, from an open rain gauge collected water will evaporate quickly when the rain stops affecting the final reading. Both times I checked the official rainfall expecting to see at least an inch of rain, give or take, and I was shocked to see the “official” amount was listed as 0.25″ and 0.08″ of rain. Most of the images displayed are of unknown origin. Students can use one bottle for collecting the rain water and other transporting. So we screwed the base of the CD cake box to the board. So if I have a trash can or bucket with straight sides, which means it is not narrow at the bottom, my rain measurement would be fairly accurate.
This bag (with bottle inside it) can slide into 2 liter pet bottle with its bottom part cut. ;), Cheapest. A: Hi Manny!
Keeping that part running parallel to the hook part, measure up a couple of inches and bend your wire sideways. Do you have a question or observation you would like to share with me?
Take a look at my picture of my white trash can and the measuring stick. Cookies are used on Science Sparks so that we may improve our site. If you want to really impress them you could learn a few rhymes about the rain. You have successfully joined our subscriber list.
Required fields are marked *, Signup to get new experiments straight to your inbox. Q: Can you recommend a rain gauge for me and where to find one? Congratulations! This idea can be used for collective class room exercise. I was so excited about the possibility of an inch of rain, I quickly grabbed a fairly straight trash can from my garage and placed it in the backyard. Nice Article by the way! One must keep in mind that the rain gauges, like most meteorological instruments, should be placed far enough away from structures and trees to ensure that any effects caused are minimized. Also, rain may be blown FROM or INTO the gauge by wind gusts accompanying the rain storm. Cut the top off the bottle, and place upside down inside the main body. Now suppose we read the volume to be 366 or 368 then we would get 'h' to be equal to 35.6697 (~ 35.7) or 35.8646 (~35.9). I’d like you to sing the rhyme and maybe you could put on a little concert for your grown ups. Rain gauge must be placed clear of obstacles so that raindrops do not splash into, or out of, the collecting funnel. The cover can be locked to its black base. Granted, I placed the trash can outside before the rain began only to gather water. A rain gauge is an instrument to measure rainfall, which is measured in millimeters. With the hook end up, place your gauge onto the long part of the hanger so it is touching the hook end of the hanger. Manny Vasquez; San Jose Line the “0” of your ruler up with the bottom of the glass jar and mark with the sharpie every so often (I did every 1/4″). {Science Sparks has instructions for making a rain gauge. Therefore, in principle any vessel that has a uniform cross section can be used as a rain gauge. (see the next image) In this design we have used one small bottle (1 litre) and a thermal cover bag for it. On the top the cake box cover we cut a hole and inserted neck of funnel through it and glued it water resistant glue such as M-seal. From this point on you will be working with the long portion you just bent up. Great minds think alike. There should be nothing overhead, like trees, electric wires, or the edge of a roof. Did you make this project? Follow the Read More link for more information. Rocks are in the bottom to keep it from […], […] How to Make a Rain Gauge (Science Sparks) […], […] Make a Rain Gauge from Science Sparks […], […] Record and study the weather using a homemade rain gauge. These cookies feedback information to our analytics and advertisers. This item measures 6"W x 3"D x 34"H and is made from cast iron with a glass rain gauge. If you place a rain gauge near a structure, the amount of rain that falls into the rain gauge may not be accurate because the structure may obstruct some of the rain that falls. If you are the rightful owner of any of the pictures/wallpapers posted here, and you do not want it to be displayed or if you require a suitable credit, then please contact us and we will immediately do whatever is needed either for the image to be removed or provide credit where it is due. We did a bottle outdoors to see how much rain… it filled all the way up. […] far we have tidied up a bit, made a rain gauge, moved the compost bin to near the vegetable beds and mowed the lawn in anticipation for our lawn […], […] and experiments. All the content of this site are do not gain any financial benefit from the downloads of any images/wallpaper.
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