Physical Science
When you lift up a tennis ball from the ground and hold it high into the air, it is said to have gained what type of energy?
POTENTIAL (ACCEPT: GRAVITATIONAL POTENTIAL)
Which location functions as the thermostat of the human body?
HYPOTHALAMUS
The visible stars in the Milky Way galaxy do not orbit the center of the galaxy in a Keplerian fashion. This is likely due to the galaxy being surrounded by a halo of what?
DARK MATTER
What is the largest prime number that divides 40 factorial?
37
Researchers at the National Energy Technology Lab are developing membranes that absorb carbon dioxide. What term most accurately describes dissimilar molecules sticking to one another?
ADHESION
Mark walks 30 meters east and then 40 meters south. In meters, what is the magnitude of his net displacement?
50
Many enzymes in signaling cascades are called kinases, because they move what inorganic group usually from ATP onto substrates?
PHOSPHATE (ACCEPT: PO4 - )
Venus has a very weak magnetic field compared to the Earth. Which of the following best explains why this is puzzling to planetary scientists?
VENUS IS SIMILAR IN SIZE TO EARTH
Eight marbles marked one through eight are placed into a bag, and you draw three of them simultaneously at random. What is the probability that the three marbles you draw are marked 3, 4, and 5?
1/56
Researchers supported by the Department of Energy are developing quantum dots that emit visible light. In order to do this, they are irradiated with what type of light?
ULTRAVIOLET
What is the term for a substance that, upon addition to a reaction, causes the rate to decrease?
INHIBITOR
During the light-dependent reactions of photosynthesis, absorption of light drives a series of electron transfer events resulting in the production of ATP and what reduced energy-carrying product?
NADPH (ACCEPT: REDUCED NICOTINAMIDE ADENINE DINUCLEOTIDE PHOSPHATE; DO NOT ACCEPT: NADP, NADP+)
In stellar fusion, two helium nuclei can react to form beryllium. Beryllium is very unstable and will decay quickly unless it reacts with a third helium atom to form what isotope?
CARBON-12
What is 51 times 61?
3111
Lawrence Berkeley National Lab is utilizing deep learning techniques to analyze health records. Deep learning is a type of which of the following?
MACHINE LEARNING TECHNIQUE
All movable pulley systems that consist of only a single pulley have a mechanical advantage of what value?
2
How many types of cone cells are in the human eye?
THREE
Seismic P-waves propagate in what type of motion?
COMPRESSION
A triangle has sides of length 10, 8, and 4. Connecting the midpoints of the sides of this triangle forms a smaller triangle. What is the perimeter of the smaller triangle?
11
Scientists at the National Renewable Energy Laboratory are using computer models to predict the energy levels of molecules. In these models, how many electrons can be contained in each nondegenerate energy level?
TWO
It takes 6 joules of energy to stretch a Hookean spring from its equilibrium position to a displacement of 40 centimeters. How many additional joules of energy will it require to stretch it from 40 centimeters to 80 centimeters away from equilibrium?
18
What muscles in the human eye control the shape of the lens?
CILIARY MUSCLES (ACCEPT: CILIARY BODY)
Place the following three types of stars in chronological order of the Sun's lifecycle: 1) Black dwarf; 2) White dwarf; 3) Red giant.
3, 2, 1
How many diagonals does a convex 26-sided polygon have?
299
Researchers at the National Renewable Energy Lab have analyzed the stability of hundreds of new nitride compounds. What is the formal charge of the nitride ion?
–3