Earth Science Fighting the Climate Crisis Grade 9-10

预测风暴——气旋与反气旋的科学研究和历史

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Flattened homes. Crumpled cars. Broken trees . Emergency shelters filled with shaken, distraught victims. This was what the Abaco Islands of the Bahamas looked like in the days after Hurricane Dorian struck in September 2019. “Everything is gone,” survivor Robert Cornea told CBS news . He and his wife had lived on the islands for more than fifty years. They lost everything they owned in the storm but escaped with their lives . Many others didn’t. Officially, seve nty people died , b ut some estimate that the actual number was in the hundreds. “People lost family members, they watched people slip away right out of their arms into the water,” June Russell, a fishing guide who lives in the Bahamas, told NBC news.

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Astronomy and Space Science Exploring Space and Beyond Grade 6-8

在火星上开创制造业

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Do you want to visit Mars? Someday, you may get a chance. Several countries and companies have plans for crewed missions to Mars. Elon Musk, a famous inventor and founder of the company SpaceX, is planning one of those missions for 2026. But he has even bigger visions. In a 2021 speech, he said that he wants to “build a city on Mars to become a spacefaring civilization, a multi-planet species. ”

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Exploring the Science of Nutrition Grade 6-8 Medicine and Health

未来的食物

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“One bug burger, please,” you say. “With lettuce and tomato.” Your meal tastes a lot like a hamburger made from beef. But the patty contains ground up mealworms, which are even more nutritious. The pale green bun was baked with algae instead of flour. And the lettuce and tomato are special varieties created to thrive inside vertical farms. You might be saying “eww” now, but twenty or fifty years from now, you could be saying “yum” instead. In the future, bugs and algae and genetically modified foods might seem normal and delicious, not gross or weird.

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Constructing Your Knowledge Framework Grade 9-10 Social Science

一名科普作家的写作经验

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I didn’t set out to become a science writer. I wrote fantasy stories about magic portals and imaginary worlds all through grade school, high school, and college. But then I got an internship at a children’s magazine group, and all of their magazines were nonfiction. Toward the end of my internship, the science magazine’s editor wanted to profile a biometrics expert in one issue, and she asked me to do the interview. I agreed, but I was terrified. Would this person agree to talk to me? Would she know I’d never done this before? I knew nothing about biometrics . Would I sound stupid?

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Exploring Plants and Animals Grade 6-8 Life Science

像鸵鸟一样快——新发明如何由观察自然界而来

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When Kea hi Seymour was 12 years old, he watched a television show about kangaroos . He learned that these animals store energy in the long, stretchy tendons attached to their huge feet. Hitting the ground stretches the tendon like a rubber band, storing the energy from the impact. When the animal lifts off, the energy gets released, like a snapping rubber band, giving an extra boost of speed and power.

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Exploring Plants and Animals Grade 6-8 Life Science

植物如何影响人类发展

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Next time you step outside, take a moment to notice all the plants. You may see a grassy lawn, weeds poking through the sidewalk, towering trees, moss growing on rocks or bricks, or maybe even a vegetable or flower garden. Now let this thought sink in: without plants, you and all the other human beings and animals on this planet couldn’t survive. We depend on plants for the air we breathe. But the relationship goes much deeper than that. We also rely on plants for food, clothing, medicines, materials, and so much more.

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Appreciating Art and Aesthetics Art and Literature Grade 6-8

爵士乐时代

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Just as you can write the history of the world using the biographies of the famous men and women who changed it (Confucius, Alexander the Great, Queen Elizabeth, Winston Churchill, etc.), you can tell the story of humankind by going from one great cultural center to another. Certain cities at certain moments have defined the course of the arts . Consider Xi’an in the Tang dynasty, Florence and Amsterdam in the Renaissance, London in the time of Shakespeare, or Vienna during the era of Mozart, Haydn, and Beethoven. In exactly this way, Paris during the Jazz Age was one of the most fun and one of the most important cities in the history of art, music, literature, and fashion.

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