What is x? 3x+5=20
5
What kind of energy powers most roller coasters at the beginning of the ride?
potential energy
What is H₂O?
water
What device do we use to type and send messages on the internet?
computer or smartphone
What is the name of the closest star to Earth?
Sun
What is x? 3x-8=4
4
What is the strongest geometric shape used in bridges and buildings?
Triangle
What gas do humans need to breathe to survive?
Oxygen
What does “AI” stand for in technology?
Artificial Intelligence
What unit is used to measure electrical resistance?
Ohm
What is the square root of 144?
12
What material is most commonly used to conduct electricity in wires?
Copper
What organ pumps blood throughout your body?
Heart
What is the name of the 3D printing material that melts when heated?
filament (accept: PLA or ABS)
What part of the plant carries water from roots to leaves?
Xylem
If a shirt costs $40 and is on sale for 25% off, what is the sale price?
$30
What engineering discipline designs things like roads, bridges, and dams?
civil engineering
What is the process where liquid water turns into gas?
evaporation
What company developed the iPhone?
Apple
What famous female coder worked on the first computer algorithm?
Ada Lovelace
If a rectangle has a perimeter of 36cm and a length of 10cm, what is the width?
8cm
Which part of a robot controls its movements and decision-making?
microcontroller or computer (accept: brain or CPU)
What is the unit used to measure force in physics?
Newton
What kind of engineer might work on self-driving cars?
software engineer or robotics engineer
What number system uses only 0s and 1s?
Binary