What planet is known as the Red Planet?
Mars
What does "www" stand for in a web address?
World Wide Web
What tool is used to measure length in centimeters and inches?
A ruler
What are the three primary colors?
Red, Blue, Yellow
What is 7 × 8?
56
What part of the plant makes food using sunlight?
The leaf (photosynthesis)
What do we call a portable computer that folds open and shut?
A laptop
What do we call a structure that allows cars to cross over water or land?
A bridge
What do we call artwork made with a camera?
Photography
What is the perimeter of a square with each side 5 cm?
20 cm
What gas do humans need to breathe in to survive?
Oxygen
What symbol is used for email addresses?
The @ symbol
What type of engineer designs machines like cars and robots?
A mechanical engineer
Who painted the Mona Lisa?
Leonardo da Vinci
What is the value of pi rounded to two decimal places?
3.14
What is the largest organ in the human body?
Skin
What company created the iPhone?
Apple
What shape do engineers often use in bridges and towers because it is the strongest?
A triangle
What term is used for the lightness or darkness of a color?
Value
If a triangle has sides 3, 4, and 5, is it a right triangle?
Yes (Pythagorean theorem)
What type of energy is produced by moving water?
Hydroelectric energy
In coding, what does “HTML” stand for?
HyperText Markup Language
Engineers often build small versions of their ideas to test them first. What do we call this early model?
A prototype
In music, how many notes are in a full octave?
8
Solve for x: 2x + 6 = 14
x = 4