The National Institute of Environmental Health Sciences, a US governmental organization focusing on researching environmental effects on health (and other things), has a kids’ page, which has many things to do that are suitable for EFL learners.
This is a good place to browse and explore. You’ll find everything from quotations about the environment, health and education, to science experiments, to information on pollution and recycling. You can even play a game that tests your knowledge of nutrition. It’s a bit America-centered (I didn’t see miso soup on the list), but it’s also one way to discover what kinds of foods may be “typically” American right now.
This is a short dictionary of words related to health and the environment. You’ll see the words that appear in this list in bold-type around the rest of the site.
This section has “great work from scientific kids”, scientific experiments you can try, activities and quizzes.
This section has quizzes, games, jokes, puzzles, illusions and more. Here’s one of the illusions: