Biology
The powerhouse of the cell.
What is the mitochondrion?
The chemical symbol for gold.
What is Au?
This scientist invented the light bulb.
Who is Thomas Edison?
The Sun is classified as this type of star.
What is a yellow dwarf?
This supercontinent existed about 300 million years ago.
What is Pangaea?
This sugar is the main product of photosynthesis.
What is glucose?
This scientist developed the modern atomic theory.
Who is John Dalton?
He invented the first practical telephone.
Who is Alexander Graham Bell?
These two elements primarily make up stars.
What are hydrogen and helium?
The layer of the Earth located between the crust and the core.
What is the mantle?
These are the building blocks of proteins.
What are amino acids?
This group of elements is known for being inert and nonreactive.
What are noble gases?
The first vaccine was developed to fight this disease.
What is smallpox?
This planet rotates on its side compared to the others.
What is Uranus?
This mineral is the hardest known substance on the Mohs hardness scale.
What is diamond?
Charles Darwin studied these birds to develop his theory of evolution.
This is the term for the minimum amount of energy required to start a reaction.
What is activation energy?
The first working computer, ENIAC, was developed in this decade.
What is the 1940s?
The discovery of these led to the demotion of Pluto from full planetary status.
What are Kuiper Belt objects?
These structures are created by the deposition of minerals from groundwater in caves.
What are stalactites and stalagmites?
These are the three domains of life.
What are Bacteria, Archaea, and Eukarya?
The element with the highest electronegativity.
What is fluorine?
The pacemaker was accidentally invented during experiments with this household appliance.
What is a microwave oven?
These regions, discovered using radio telescopes, are intense sources of electromagnetic radiation from active galactic nuclei.
What are quasars?
This dating method uses the decay of radioactive isotopes to determine age.
What is radiometric dating?