SCIENCE
TECHNOLOGY
ENGINEERING
MATH
MYSTERY STEM
100

What gas do plants absorb during photosynthesis?

Carbon dioxide

100

What does "www" stand for in a website URL?

World Wide Web

100

What simple machine is used to lift heavy objects with less force?

Pulley

100

What is 8 × 7?

56

100

What do you call a scientist who studies rocks?

Geologist

200

What planet is known as the Red Planet?

Mars

200

What is the name of the first computer programmer?

Ada Lovelace

200

What do engineers call a detailed drawing of a design?

Blueprint

200

What is the square root of 64?

8

200

What part of the human body has the smallest bones?

The ear

300

 What is the powerhouse of the cell?

Mitochondria

300

What is AI short for?

Artificial Intelligence

300

What type of engineer designs bridges and roads?

Civil Engineer

300

What is the formula for the area of a circle?

πr²

300

What is the name of the galaxy that contains our solar system?

The Milky Way

400

What is the chemical symbol for gold?

AU

400

What does HTML stand for?

HyperText Markup Language

400

What energy source powers most electric cars?

Batteries / Lithium-ion batteries

400

What is the value of pi (π) rounded to two decimal places?

3.14

400

What is the study of weather called?

Meteorology

500

What scientist developed the theory of general relativity?

Albert Einstein

500

What company created the first smartphone?

IBM – "Simon" in 1992

500

What is the strongest geometric shape for construction?

Triangle

500

What is the Fibonacci sequence?

A sequence where each number is the sum of the two previous numbers: 1, 1, 2, 3, 5, 8...

500

What is the tallest mountain on Earth?

Mount Everest