🐼 🔭 Science
Fun facts, jokes & riddles · 有趣知识 · Bilingual Chinese + English
125 item(s)
Pulleys
Explore science — Pulleys! A pulley is a grooved wheel with rope that changes pull direction. Pulley…
👁 186 次浏览 · views
Saturn's Beautiful Rings
Explore science — Saturn's Beautiful Rings! Saturn has beautiful rings made mostly of ice and rock p…
👁 170 次浏览 · views
Which Is Heavier: 1 kg of Iron or 1 kg of Cotton?
Explore science — Which Is Heavier: 1 kg of Iron or 1 kg of Cotton?! One kilogram of iron and one ki…
👁 167 次浏览 · views
Light Travels Very Fast
Explore science — Light Travels Very Fast! Light travels about 300,000 kilometers per second in vacu…
👁 185 次浏览 · views
The Origin of Electricity
Explore science — The Character '电' (Electric)! The character The Origin of Electricity (diàn) looks…
👁 268 次浏览 · views
Photosynthesis Needs Sunlight
Explore science — Photosynthesis Needs Sunlight! Photosynthesis needs sunlight, water, and carbon di…
👁 179 次浏览 · views
The Three Types of Rocks
Explore science — The Three Types of Rocks! Rocks come in igneous, sedimentary, and metamorphic type…
👁 237 次浏览 · views
Tornado Spinning Funnel
Explore science — Tornado Spinning Funnel! A tornado is a spinning air column from storm clouds to t…
👁 197 次浏览 · views
Idiom: 'Make a Prompt Decision'
Explore science — Idiom: 'Make a Prompt Decision'! Idiom: 'Make a Prompt Decision'Idiom: 'Make a Pro…
👁 207 次浏览 · views
Clouds Are Made of Water Droplets
Explore science — Clouds Are Made of Water Droplets! Clouds are tiny water droplets or ice crystals …
The Heart Is Like a Pump
Explore science — The Heart Is Like a Pump! The heart pumps like a little engine, sending blood with…
👁 162 次浏览 · views
The Origin of Water
Explore science — The Character '水' (Water)! The character water (shuǐ) looks like flowing water rip…
👁 208 次浏览 · views
Why Did the Computer Catch a Cold?
Ha ha! 电脑为什么会感冒? — Why did the computer catch a cold? Its windows were open and chilly air blew on t…
👁 176 次浏览 · views
The Sun Is a Star
Explore science — The Sun Is a Star! The Sun is our closest star, giving light and heat for day, sea…
👁 223 次浏览 · views
Nerves Send Signals
Explore science — Nerves Send Signals! Nerve cells send messages with electrical and chemical signal…
👁 165 次浏览 · views
Mercury Is Closest to the Sun
Explore science — Mercury Is Closest to the Sun! Mercury is closest to the Sun — blazing hot by day,…
👁 153 次浏览 · views
The Origin of Fire
Explore science — The Character '火' (Fire)! The character The Origin of Fire (huǒ) looks like rising…
👁 437 次浏览 · views
Rotation and Day-Night Cycle
Explore science — Rotation and Day-Night Cycle! If Earth stopped spinning, would one place still hav…
👁 157 次浏览 · views
Lightning Before Thunder
Explore science — Lightning Before Thunder! We see lightning before thunder because light travels fa…
👁 209 次浏览 · views
Riddle: The Invisible Pull
Can you guess? You cannot see me, but I make apples fall and bring you back after a jump. What force…
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…
👁 174 次浏览 · views
The Seven Colors of the Rainbow
Explore science — The Seven Colors of the Rainbow! Sunlight through raindrops splits into seven colo…
👁 343 次浏览 · views
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!…
👁 190 次浏览 · views
A Black Hole's Strong Gravity
Explore science — A Black Hole's Strong Gravity! Black holes have gravity so strong that not even li…
👁 183 次浏览 · views