🐼 🔭 Science
Fun facts, jokes & riddles · 有趣知识 · Bilingual Chinese + English
125 item(s)
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 Three Types of Rocks
Explore science — The Three Types of Rocks! Rocks come in igneous, sedimentary, and metamorphic type…
👁 236 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
The Sun Is Also a Star
Explore science — The Sun Is Also a Star! The Sun is the closest star to Earth. It gives us light an…
👁 244 次浏览 · views
The Origin of Electricity
Explore science — The Character '电' (Electric)! The character The Origin of Electricity (diàn) looks…
👁 267 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…
👁 169 次浏览 · views
Microscopes See Tiny Things
Explore science — Microscopes See Tiny Things! Microscopes magnify tiny things so scientists can stu…
👁 203 次浏览 · views
The Moon Reflects Sunlight
Explore science — The Moon Reflects Sunlight! The Moon makes no light of its own. Moonlight is sunli…
👁 223 次浏览 · views
The Greenhouse Effect
Explore science — The Greenhouse Effect! Gases like carbon dioxide trap heat like greenhouse glass, …
👁 161 次浏览 · views
Is the Moon Made of Cheese?
Ha ha! 月亮是奶酪做的吗？ — A kid asked: is the Moon cheese? Scientists laugh: no, but craters look like Swis…
Why Do Shadows Appear?
Explore science — Why Do Shadows Appear?! Why does your shadow appear in sunlight? Think about what …
Vaccines Protect the Body
Explore science — Vaccines Protect the Body! Vaccines teach the body to recognize germs ahead of tim…
👁 196 次浏览 · views
Light Travels Faster Than Sound
Explore science — Light Travels Faster Than Sound! Light travels far in one second. Sound is much sl…
👁 215 次浏览 · views
How Do Gears Work?
Explore science — How Do Gears Work?! Gears are toothed wheels that mesh together. One turning drive…
👁 184 次浏览 · views
DNA Genetic Code
Explore science — DNA Genetic Code! DNA is like life's instruction book in the cell nucleus, shaping…
👁 170 次浏览 · views
Rainbows Need Sunlight and Raindrops
Explore science — Rainbows Need Sunlight and Raindrops! Rainbows form when sunlight refracts and ref…
👁 179 次浏览 · views
