Building Your Own Backyard Rain Gauge
Meteorologists study weather patterns to help communities prepare for sunny afternoons, severe thunderstorms, and seasonal changes. One essential tool they use is a rain gauge, an instrument designed to measure liquid precipitation over a set period. While professional weather stations rely on high-precision electronic equipment, you can build a simple version using everyday recycled materials. Making your own gauge lets you observe how much rain falls in your neighborhood and track weather trends right outside your classroom or home.
Materials Needed
- One clean, straight-sided plastic bottle (a clear 2-liter soda bottle works well)
- A permanent marker
- A clear plastic ruler (showing inches and fractions of an inch)
- Waterproof tape (such as duct tape or clear packing tape)
- A small handful of clean pebbles, aquarium gravel, or marbles
- Water (for setting your baseline)
- A notebook or chart for recording data
- A pair of sturdy scissors (for adult use only)
Preparing the Base
Most plastic soda bottles do not have flat bottoms. Instead, they feature bumpy, curved feet that make measuring small amounts of water difficult. Adding a layer of gravel and water levels out these uneven pockets so your measurements can begin from a flat, reliable starting line.
Step-by-Step Instructions
- precipitation:
- Water that falls to the ground from clouds, such as rain, snow, sleet, or hail.
- baseline:
- A clear starting line or reference point used to compare and measure future changes.
- evaporation:
- The process by which liquid water heats up and turns into an invisible gas called water vapor.
- funnel:
- A cone-shaped tool with a wide top and narrow bottom used to guide liquids into a container.
- cylinder:
- A solid or hollow shape with straight, parallel sides and circular ends.
- estimate:
- A thoughtful guess or rough calculation of an amount rather than an exact number.
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Preview questions from this passageShowHide
- 1What is the main purpose of a rain gauge?
- 2Why are pebbles or gravel placed in the bottom of the bottle?
About this how-to / procedural passage for 5th Grade
“Building Your Own Backyard Rain Gauge” is a how-to / procedural reading passage about Rain Gauge, written for 5th Grade. It takes about 4 minutes to read (641 words) and comes with an interactive quiz and a printable worksheet with comprehension questions and an answer key.