Science
What is the outermost layer of the Earth called?
What is the crust?
What does "www" stand for in a website address?
What is World Wide Web?
What type of structure is designed to carry vehicular traffic over a river, valley, or other obstruction?
What is a bridge?
What is the product of 17 and 23?
What is 391?
The more you take, the more you leave behind. What am I?
What is footsteps?
What is the chemical symbol for water?
What is H2O?
What is the name for the small programs that can be installed on smartphones for various purposes?
What are apps (applications)?
What is the term for a substance that speeds up a chemical reaction without being consumed in the process?
What is a catalyst?
What three positive numbers give the same answer when multiplied and added together?
What is one, two, and three?
I have cities, but no houses. I have mountains, but no trees. I have water, but no fish. What am I?
What is a map?
What is the pH of a neutral solution?
What is 7?
What is the term for the technology that allows devices to communicate with each other wirelessly over short distances?
What is Bluetooth?
What is the term for a material that does not allow electric current to pass through it easily?
What is an insulator?
A standard deck of playing cards contains 52 cards. What is the probability of drawing a heart or a spade from the deck?
What is 1/2 or 50% ?
I can fly without wings, and cry without eyes. Whenever I go, darkness follows me. What am I?
What is a cloud?
What is the process by which organisms convert glucose into energy?
What is cellular respiration?
Which company is known for its gaming consoles, such as PlayStation?
What is Sony?
I have keys but open no locks. I have space but no room. You can enter, but you can't go outside. What am I?
What is a keyboard?
In a right triangle, what is the name given to the side opposite the right angle?
What is the hypotenuse?
I speak without a mouth and hear without ears. I have no body, but I come alive with wind. What am I?
What is an echo?
What is the name of the particle that carries a positive charge in an atom's nucleus?
What is a proton?
What is the term for the technology that allows smartphones to make payments by holding them near a contactless payment terminal?
What is NFC (Near Field Communication)?
What type of aircraft is designed to operate outside Earth's atmosphere?
What is a spacecraft?
I am a fraction. If you double my numerator and triple my denominator, I become 4/9. What fraction am I?
What is 2/3?
I am lighter than air but a hundred people cannot lift me. Careful, I am fragile. What am I?
What is a bubble?