What is the rain gauge?
What you need
- Empty plastic bottle
- Utility knife (Please let the grown-up do this part! Be careful!)
- Marking tape or any color tape
- Pebbles or small stones
Resources for Learning Topics
Hike Your Knowledge: How to Measure Rainfall
We watched this video’s instruction and followed it. It was very clear and straightforward.
Cut the neck of the bottle. I cut about 1/3 part from the top. I am not good at cutting straight with a utility knife, so I marked with a sharpie first. (Optional)
We collected some pebbles from outside.
My son put a tape above the level of the pebbles. According to the video we saw, it will act as a starting point.
Pour some water till the starting point. The water is not clear, but it is OK.
Flip the other part into the bottle like a funnel.
Done! Then we can put this rain gauge outside and measure rainfall!