Biology
What is the powerhouse of the cell?
What is the chemical symbol for water?
H₂O
What is the acceleration of one G-force?
9.8m/s²
What is the area of a circle with radius 4?
16π or ~50.27
What does a pulley do?
Redirects direction of force and reduces effort to lift load
What molecule carries genetic information in most living organisms?
DNA
What is the pH of a neutral solution?
7
What type of energy is stored in a stretched rubber band?
Elastic potential energy
What is the slope of a line that passes through points (1, 2) and (3, 6)?
2
What is the purpose of a gear in a mechanical system?
To transmit torque and alter speed or direction.
Which kingdom includes multicellular organisms that obtain nutrients by absorption?
Fungi
What is the chemical formula for stomach acid?
HCl
What is Newton’s third law of motion?
For every action, there is an equal and opposite reaction.
What is the sum of the angles in a triangle?
180 degrees
What type of bridge uses cables to support its deck?
Suspension bridge
What is the process by which green plants make their own food?
Photosynthesis
What is the chemical name for rust?
Iron Oxide
According to Einstein's theory, what happens to time as you approach the speed of light?
Time dilates (slows down)
If the area of a rectangle is 24 square units and one side is 6 units, what is the length of the other side?
4 units
What is the name of the triangular structure often used in bridges for strength?
Truss
What part of the cell is responsible for packaging and transporting proteins?
Golgi apparatus
What is the name of the element with the atomic number 79?
Gold
What is the term for the bending of light as it passes from one medium to another?
Refraction
What is the derivative of x2?
2x
What does CAD stand for in engineering design?
Computer-Aided Design