Ecosystems
Physics
General Science
Biology
Chemistry
100
An organism that eats other organisms for food is called a?
What is Consumer?
100
This type of energy is possessed by an object due to its motion, calculated using mass and velocity squared.
What is kinetic energy?
100
This is the hot, molten rock found beneath the Earth's surface before it erupts from a volcano as lava.
What is magma?
100
This organelle is known as the powerhouse of the cell because it generates most of the chemical energy needed to power biochemical reactions.
What is the mitochondrion?
100
Name 3 elements on the periodic table.
200
The process of changing to survive in an ecosystem is called?
What is Adaptation?
200
This law of motion states that for every action, there is an equal and opposite reaction.
What is Newton's Third Law?
200
This protective layer in the Earth's stratosphere absorbs most of the sun's harmful ultraviolet radiation.
What is the ozone layer?
200
Plants use these green organelles to capture solar energy and convert it into chemical energy through photosynthesis.
What are chloroplasts?
200
This scale measures how acidic or basic a substance is, running from 0 to 14.
What is the pH scale?
300
This term describes a species that has an exceptionally large effect on its ecosystem relative to its abundance, like sea otters or wolves.
What is a keystone species?
300
This state of physical balance occurs when the net force acting on an object is exactly zero.
What is equilibrium?
300
This mineral is the hardest naturally occurring substance on Earth, making it highly prized for both jewelry and industrial cutting tools.
What is a diamond?
300
This molecule is the primary energy currency used by cells to perform immediate work.
What is ATP (Adenosine triphosphate)?
300
This is the chemical term for a fast reaction with oxygen that releases light and heat, commonly known as burning.
What is combustion?
400
Name the 2 primary types of genetic drift.
What are the bottleneck effect, and the founder effect?
400
This term describes the resistance of any physical object to any change in its velocity, which is directly proportional to its mass.
What is inertia?
400
This term describes a massive explosion that occurs at the very end of a high-mass star's life cycle.
What is a supernova?
400
In DNA base-pairing, adenine always binds with this specific pyrimidine base.
What is thymine?
400
This type of chemical bond forms when two atoms share a pair of electrons.
What is a covalent bond?
500
Only about this percentage of energy is successfully transferred from one trophic level up to the next.
What is 10 percent?
500
This Polish-born French physicist remains the only person to win Nobel Prizes in two different scientific fields: Physics and Chemistry.
Who is Marie Curie?
500
This English primatologist completely transformed our understanding of animal behavior through her lifelong, groundbreaking study of wild chimpanzees.
Who is Jane Goodall?
500
This evolutionary theory states that mitochondria and chloroplasts originated as free-living prokaryotic cells.
What is the endosymbiotic theory?
500
These elements occupy Group 18 of the periodic table and are highly unreactive due to their full valence electron shells.
What are noble gases?