🐼 🔭 Science
Fun facts, jokes & riddles · 有趣知识 · Bilingual Chinese + English
125 item(s)
Riddle: Orbits Earth
Can you guess? I often hang in the night sky, round or curved, orbiting Earth. What am I?…
👁 37 次浏览 · views
Inclined Planes
Explore science — Inclined Planes! An inclined plane is a simple machine — a longer ramp needs less …
👁 50 次浏览 · views
Vinegar and Baking Soda Reaction
Explore science — Vinegar and Baking Soda Reaction! Mixing vinegar and baking soda makes bubbles of …
👁 44 次浏览 · views
Idiom: 'Cut the Garment According to the Figure'
Explore science — Idiom: 'Cut the Garment According to the Figure'! Idiom: 'Cut the Garment Accordin…
👁 31 次浏览 · views
Riddle: Needs a Battery
Can you guess? I am small, need batteries to work, and light up or beep when you press me. What am I…
👁 34 次浏览 · views
The Origin of Moon
Explore science — The Character '月' (Moon)! The character The Origin of Moon (yuè) looks like the cu…
👁 36 次浏览 · views
Conductors and Insulators
Explore science — Conductors and Insulators! Copper and aluminum are conductors — current flows easi…
👁 30 次浏览 · views
The Heart Is Like a Little Pump
Explore science — The Heart Is Like a Little Pump! Your heart works like a little pump, beating abou…
👁 38 次浏览 · views
The Origin of Sun
Explore science — The Character '日' (Sun)! The character The Origin of Sun (rì) looks like the round…
👁 40 次浏览 · views
The Joke About Gravity
Ha ha! 重力的小玩笑 — Why is gravity popular? It always pulls you into science class — you cannot escape!…
The Three Forms of Water
Explore science — The Three Forms of Water! Water can be liquid, solid ice, or gas vapor rising to f…
👁 39 次浏览 · views
Light Travels Very Fast
Explore science — Light Travels Very Fast! Light travels about 300,000 kilometers per second in vacu…
The Rocket Is Late
Ha ha! 火箭迟到了 — Why was the rocket late? It said: orbiting Earth is fast, but parking is really hard!…
Lightning Before Thunder
Explore science — Lightning Before Thunder! We see lightning before thunder because light travels fa…
👁 47 次浏览 · views
Order of the Planets
Explore science — Order of the Planets! Counting from the Sun, which number planet is Earth? Mercury…
👁 41 次浏览 · views
What Seeds Need to Germinate
Explore science — What Seeds Need to Germinate! Seeds need suitable warmth, water, and air to sprout…
👁 33 次浏览 · views
Why Is Mars Red?
Explore science — Why Is Mars Red?! Mars looks red from iron oxide on its surface. Scientists think …
Volcano Lava and Rock
Explore science — Volcano Lava and Rock! When volcanoes erupt, hot magma bursts out and cools into v…
Riddle: The Thing That Attracts Iron
Can you guess? I have north and south poles, attract iron nails and paper clips. What am I?…
Rainbows Need Sunlight and Raindrops
Explore science — Rainbows Need Sunlight and Raindrops! Rainbows form when sunlight refracts and ref…
The Seven Colors of the Rainbow
Explore science — The Seven Colors of the Rainbow! Sunlight through raindrops splits into seven colo…
👁 56 次浏览 · views
Vaccines Protect the Body
Explore science — Vaccines Protect the Body! Vaccines teach the body to recognize germs ahead of tim…
The Origin of Electricity
Explore science — The Character '电' (Electric)! The character The Origin of Electricity (diàn) looks…
👁 46 次浏览 · views
Riddle: The Diamond in the Sky
Can you guess? I twinkle at night but am a faraway giant ball of fire, some bigger than the Sun. Wha…