🐼 🔭 Science
Fun facts, jokes & riddles · 有趣知识 · Bilingual Chinese + English
125 item(s)
Riddle: Turns Night into Day
Can you guess? Plug me in and I glow, making rooms bright at night — but I am human-made. What am I?…
👁 89 次浏览 · views
Every Snowflake Is Unique
Explore science — Every Snowflake Is Unique! Snowflakes form in different conditions, so nearly ever…
👁 106 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…
Float or Sink?
Explore science — Float or Sink?! A wood block and same-size iron block in water — which floats and …
👁 88 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…
The Origin of Water
Explore science — The Character '水' (Water)! The character water (shuǐ) looks like flowing water rip…
👁 97 次浏览 · views
The Three Forms of Water
Explore science — The Three Forms of Water! Water can be liquid, solid ice, or gas vapor rising to f…
Robots Help Us
Explore science — Robots Help Us! Robots are machines that follow programs. They assemble parts, del…
👁 109 次浏览 · views
How Many Bones Are in the Human Body?
Explore science — How Many Bones Are in the Human Body?! Adults have about 206 bones. Babies have mo…
👁 94 次浏览 · views
Tornado Spinning Funnel
Explore science — Tornado Spinning Funnel! A tornado is a spinning air column from storm clouds to t…
👁 92 次浏览 · views
Plants Grow Toward Light
Explore science — Plants Grow Toward Light! Plants grow toward light. Stems bend to catch more sun f…
👁 110 次浏览 · views
Rainbows Need Sunlight and Raindrops
Explore science — Rainbows Need Sunlight and Raindrops! Rainbows form when sunlight refracts and ref…
Inclined Planes
Explore science — Inclined Planes! An inclined plane is a simple machine — a longer ramp needs less …
👁 152 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…
DNA Genetic Code
Explore science — DNA Genetic Code! DNA is like life's instruction book in the cell nucleus, shaping…
👁 93 次浏览 · views
Jupiter's Great Red Spot
Explore science — Jupiter's Great Red Spot! Jupiter has a Great Red Spot — a giant storm lasting hun…
👁 140 次浏览 · views
Gravity Pulls Things
Explore science — Gravity Pulls Things! Earth's gravity pulls things toward the ground — apples fall…
👁 103 次浏览 · views
Circuits and Switches
Explore science — Circuits and Switches! Switches control circuits — closed lets current flow to lig…
👁 84 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…
👁 83 次浏览 · views
Idiom: 'Think Before You Act'
Explore science — Idiom: 'Think Before You Act'! Idiom: 'Think Before You Act'Idiom: 'Think Before Y…
👁 101 次浏览 · views
The Robot Is Tired
Ha ha! 机器人太累了 — A robot said: I am tired. Friend asked why. It said: I charged all night long!…
Clouds Are Made of Water Droplets
Explore science — Clouds Are Made of Water Droplets! Clouds are tiny water droplets or ice crystals …
👁 96 次浏览 · views
What Is Friction?
Explore science — What Is Friction?! Friction is the force between surfaces that resists motion. Sho…
👁 111 次浏览 · views
What Can a Magnet Attract?
Explore science — What Can a Magnet Attract?! Which can a magnet pick up: copper coin, iron nail, or…
👁 105 次浏览 · views