Math
What is the value of π (pi) rounded to two decimal places?
3.14
What is the chemical symbol for sodium?
Na
What is the SI unit of force?
Newton (N)
What is the basic unit of life?
The cell
What does “AI” stand for?
Artificial Intelligence
What is the slope of a line represented by the equation 2x+3y=62x + 3y = 62x+3y=6
-2/3
What type of bond involves the sharing of electrons?
Covalent bond
What is the acceleration due to gravity on Earth?
9.8m/s2
Which organelle is known as the “powerhouse of the cell”?
Mitochondria
What is the main function of a resistor in a circuit?
To limit current
If f(x)= 2x2 + 3x -5
Find f(2)
9
What is the pH of a neutral solution at 25°C?
7
A car travels 100 m in 5 seconds. What is its average speed?
20 m/s
What molecule carries genetic information?
DNA
What is the term for the smallest unit of digital data?
Bit
A triangle has sides 3 cm, 4 cm, and 5 cm. What type of triangle is it
Right-angled triangle
In the reaction 2H2 + O2 = 2H2O, what is the limiting reactant if you start with 3 moles of H2 and 2 moles of O2
H2
What type of energy is stored in a stretched spring?
Elastic potential energy
What type of blood cells help your body fight infection?
White blood cells
What type of energy is converted to mechanical energy in an electric motor?
Electrical energy
The sum of three consecutive even numbers is 54. What are the numbers
16, 18, and 20
What is the molecular Geometry of NH3
Trigonal pyramidal
A 2 kg mass is lifted 5 m high. Calculate its potential energy
98 J
During photosynthesis, plants convert carbon dioxide and water into what two products?
Glucose and oxygen
What is Moore’s Law about?
The number of transistors on a microchip doubles approximately every two years