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Citizen science projects make it possible for you to collect real data that scientists can use in their research. Here are four examples of projects that you can take part in.

FrogWatch USA

Frogs play an important role in their ecosystems, being both predator and prey (²¶Ê³ÕߺÍÁÔÎï). So, understanding their populations is one way scientists track wetland health. From February to August, citizens like you listen for the calls of specific species and record them in an online database. To make sure volunteers know what they are listening for, FrogWatch has a network of local chapter coordinators (Эµ÷Õß) who lead the training.

Globe at Night

You wouldn't be the only one wondering about the light coming into your sky from nearby lamps and cities. Scientists have big questions about this too. Globe at Night is an international project that has had volunteers take more than 100,000 measurements in 115 countries. In the past they only enlisted (Õ÷ļ) citizen scientists in the winter and spring, but since 2017 they have set observation dates for the whole year. The project welcomes volunteers who want to help observe light pollution that could affect wildlife, health, and energy consumption.

Did You Feel It?

The “Did You Feel It£¿” program depends on feedback (·´À¡) from anyone who feels the shaking or sees any damage as the result of an earthquake. This data helps to produce a map that is available within minutes — and updated rapidly — documenting where shaking and damage are the most intense (Ç¿ÁÒµÄ)£®

GLOBE Observer

If you would rather take your own photos than look through images from a telescope, consider downloading the GLOBE Observer app. This app allows citizen scientists to take photos of clouds for comparison with satellite images. Become an observer and become part of a major source of global human observation of clouds.

21£®Which project trains its volunteers?

A£®Globe at Night.¡¡¡¡¡¡¡¡         B£®Did You Feel It?

C£®FrogWatch USA.                  D£®GLOBE Observer.

22£®Which of the following describes volunteers' work at Globe at Night?

A£®It's done in colder seasons.

B£®It's done in wild fields.

C£®It's time­consuming.

D£®It's eco­friendly.

23£®What does a GLOBE Observer do?

A£®Take pictures of clouds.

B£®Improve satellite images.

C£®Observe the sky with a telescope.

D£®Upload cloud change data onto an app.