Biology
What is the powerhouse of the cell?
Mitochondria
What is the chemical symbol for water?
H₂O
What is the SI unit of force?
Newton (N)
What is the value of π (pi) rounded to two decimal places?
3.14
What does the acronym "URL" stand for?
Uniform Resource Locator
What process allows plants to convert sunlight into chemical energy?
Photosynthesis
What type of chemical bond involves the sharing of electrons between atoms?
Covalent bond
What is the acceleration due to gravity on the surface of Earth, approximately?
9.8 meters per second squared (m/s²)
Solve for x: 2x + 5 = 15
x=5
Which company developed the Windows operating system?
Microsoft
What is the name for the basic unit of heredity that passes from parent to offspring?
Gene
What is the pH of a neutral substance?
pH 7
Newton's third law of motion
What is the square root of 144?
12
What does "IoT" stand for in the context of technology?
Internet of things
What type of joint connects bones with cartilage, like in the human spine?
Cartilaginous joint
What gas makes up approximately 78% of Earth's atmosphere?
Nitrogen (N₂)
What property of an object is defined as its mass multiplied by its velocity?
Momentum
Simplify the expression: 3x² + 2x - 7 when x = 2
Who is often credited with inventing the World Wide Web?
Tim Berners-Lee
What term describes the random change in allele frequencies within a population over generations?
Genetic drift
What is the process by which a substance transitions directly from a solid to a gas without passing through the liquid phase?
Sublimation
What type of energy is stored in a stretched rubber band or a compressed spring?
Elastic potential energy
If a triangle has angles measuring 30°, 60°, and 90°, what is the length of the side opposite the 60° angle if the hypotenuse is 10 units long?
8.66 units
What is the maximum data transfer speed of a USB 3.0 port in gigabits per second (Gbps)?
5 Gbps