Life Sciences
What organelle is responsible for producing ATP through cellular respiration?
Mitochondria
What is the atomic number of carbon?
6
What is the SI unit of energy?
Joule
What is the most abundant gas in Earth's atmosphere?
Nitrogen
Which law describes the relationship between a planet's orbital period and its average distance from the Sun?
Kepler's Third Law
Which phase of mitosis is characterized by chromosomes lining up at the cell's equator?
Metaphase
According to the periodic table, elements in the same group share what characteristic?
The same number of valence electrons
What law states that force equals mass times acceleration?
Newton's Second Law
Which type of plate boundary is most commonly associated with deep ocean trenches?
Convergent boundary
What process powers stars like the Sun?
Nuclear fusion
What is the primary function of ribosomes?
Protein synthesis
What type of reaction occurs when an acid reacts with a base?
Neutralization
Which fundamental force holds protons and neutrons together in an atomic nucleus?
Strong nuclear force
What is the name of the process by which one tectonic plate sinks beneath another?
Subduction
What is the point of no return surrounding a black hole called?
The event horizon
Which type of RNA carries amino acids to the ribosome during translation?
tRNA (transfer RNA)
Which gas is produced when zinc reacts with hydrochloric acid?
Hydrogen gas
What quantity is conserved in a closed system during collisions?
Momentum
Which radioactive isotope is commonly used to date very old rocks?
Uranium-238
Which method detects exoplanets by observing a star's slight dimming as a planet passes in front of it?
The transit method
What evolutionary process occurs when allele frequencies change due to random chance rather than natural selection?
Genetic drift
What principle states that increasing pressure shifts equilibrium toward the side with fewer moles of gas?
Le Châtelier's Principle
What principle states that it is impossible to simultaneously know both the exact position and momentum of a particle?
Heisenberg's Uncertainty Principle
Which seismic waves are the fastest and travel through solids, liquids, and gases?
P-waves (Primary waves)
A star has exhausted the hydrogen in its core and begins fusing helium. What stage of stellar evolution has it entered?
The red giant stage