Biology
Chemistry
Anatomy
Environmental Science
Science in the News
100
DNA is primarily located in this structure
What is the nucleus?
100
Name the three main parts of an atom
What is protons, neutons, electrons?
100
This tube carries food from the throat to the stomach
What is the esophagus?
100
This is the name for a group of organisms of the same type living in the same place at the same time.
What is a population?
100
These two types of bears are forming hybrids more often due to climate change
What are polar and grizzly bears?
200
What is the organelle shown in the picture
Centrioles
200
This law states that energy cannot be created or destroyed
What is the Law of Conservation of Energy?
200
The number of bones in the human body
What is 206?
200
The name for water stored underground in soil or rock layers
What is groundwater?
200
This ocean phenomenon returned to the equatorial Pacific in September 2025, affecting global weather patterns
What is La Niña?
300
These molecules form the backbone of cell membranes
What are phospholipids?
300
This term refers to a phase change where a solid skips the liquid state and becomes a gas.
What is sublimation?
300
What is the highlighted organ in the photo?
Small Intestine
300
In the state of Maryland, the Snakehead Fish and the Spotted Lanternfly are both considered what type of disruptive organism?
What is Invasive (if the answer is non-native, ask them to be more specific)?
300
This private company continued launching the most reusable rockets in 2025
What is SpaceX?
400
This enzyme unwinds DNA during replication
What is DNA helicase?
400
What element is this?
Tungsten
400
This organ stores bile
What is the gallbladder?
400
This type of species has a disproportionately large impact on its such that its disappearance could lead to ecosystem collapse
What are keystone species?
400
This country became the 4th to land on the Moon in 2023
What is India?
500
What is the final electron acceptor in cellular respiration
What is oxygen gas (O2)?
500
The oxidation number of oxygen in most compounds
What is -2?
500
These structures maximize nutrient absorption by increasing the surface area of the small intestine
What are villi?
500
This international treaty successfully phased out many ozone-depleting substances
What is the Montreal Protocol?
500
In 2025, this term described the full Moon that appeared enhanced in size and brightness due to orbital proximity.
What is a supermoon?