The more you take, the more you leave behind. What am I?
What are footsteps?
When was the first eraser made and by whom?
Who was Edward Nairne in 1770?
What does LASER stand for?
What is Light Amplification by Stimulated Emission of Radiation?
How many hearts does an octopus have?
What is 3 hearts?
I hide in Mercury, Venus, Jupiter, Saturn, Neptune, and Uranus, but not in Earth or Mars. What am I?
What is the letter U?
When and where was the first gel pen made?
Where was Sakura Color Products Corporation (Osaka, Japan) in 1984?
What does RAP stand for?
What is Rhythm and Poetry?
What food can't spoil?
What is honey?
I stand through storms and crowds below, A landmark all the city knows. Though time attacks me every hour, I’m guarded round the clock with power. Tourists make me strike a pose, in photos where my face still glows. In London's heart, I stand in power.
What am I?
What is the Big Ben Tower?
What are pencil tips made of?
What is graphite?
What does GIF stand for?
What is Graphics Interchange Format?
Which one is the berry?
What is a banana? (Botanically speaking, that is)
I have four legs, but cannot walk. I often listen but never talk. I’m pulled out when it’s time to eat or when guests need a place to sit. I stand in rows, columns, and pairs. What am I, built for backs and rears?
What is a chair?
What is graphite made of?
What is carbon?
What does SCUBA stand for?
What is a Self‑Contained Underwater Breathing Apparatus?
What is the only bird that can fly backward?
What is a hummingbird?
I can be stolen without hands, broken without a sound, Kept without being held, and lost without being found. What am I?
That's a secret.
A plastic ruler and a wooden ruler are both exactly 30 cm long at room temperature. When the temperature increases by 20°C, only one of them becomes slightly inaccurate for measuring length. Which one becomes inaccurate, and why?
What is a plastic ruler?
What does GPS stand for?
What is the Global Positioning System?
What is the least dense planet?
What is Saturn?