GED Science | Questions with 100% Verified Answers | Latest Update 2026/2027

GED Science | Questions with 100% Verified Answers |
Latest Update 2026/2027
Question: acceleration
Answer: an increase in rate of change


Question: acid
Answer: any substance that in water solution tastes sour, changes the color of certain
indicators,
reacts with some metals to liberate hydrogen, reacts with bases to form salts, and
promotes certain chemical reactions


Question: acid rain
Answer: rainfall that is more acidic than normal because of air pollution


Question: activation energy
Answer: the energy that an atomic system must acquire before a process (such as an
emission or
reaction) can occur


Question: adaptation
Answer: the process of adjusting or conforming to new conditions


Question: adequacy
Answer: the quality of being able to meet a need satisfactorily


Question: air mass
Answer: a large body of air throughout which temperature and moisture content are similar


Question: alimentary canal
Answer: digestive tube that extends from the mouth to the anus


Question: alveolus
Answer: tiny air sac in the lung


Question: amplitude
Answer: greatness of size or range; magnitude


Question: antibody
Answer: a protein that produces an immune response

,Question: aorta
Answer: the large artery carrying blood from the heart to the body


Question: artery
Answer: a blood vessel that carries blood away from the heart to the body


Question: assess
Answer: to evaluate


Question: asteroid
Answer: any of numerous small celestial bodies composed of rock and metal


Question: atmosphere
Answer: the envelope of gases surrounding the Earth or another planet


Question: atom
Answer: Basic unit of matter


Question: atomic mass
Answer: the property of an atom that causes it to have weight; protons + neutrons


Question: atomic number
Answer: quantity of protons in the nucleus or an atom of an element


Question: atrium
Answer: a chamber connected to other chambers or passageways (such as the heart)


Question: base
Answer: lowest support of a structure


Question: Big Bang Theory
Answer: the theory that the universe originated in a huge explosion that released all matter
and
energy about 20 billion years ago


Question: biomass
Answer: the total amount of living matter in a given unit area


Question: boiling point
Answer: the temperature at which a liquid changes to a gas

, Question: boson
Answer: an elementary particle that obeys Bose-Einstein statistics


Question: bronchus
Answer: one of the two tubes that connect the lungs with the trachea


Question: bronchiole
Answer: the smallest of the tubes in the lungs


Question: capillary
Answer: smallest blood vessel


Question: carbohydrate
Answer: compound made up of carbon, hydrogen, and oxygen atoms; major source of energy
for
the human body


Question: carbon cycle
Answer: the organic circulation of carbon from the atmosphere into organisms and back again


Question: carnivore
Answer: a flesh-eating animal


Question: cause
Answer: events that provide the generative force of something


Question: cell
Answer: basic unit of life


Question: cellular respiration
Answer: the metabolic processes whereby certain organisms obtain energy from organic
molecules


Question: cerebellum
Answer: the "little brain" at the rear of the brain stem; functions include processing sensory
input
and coordinating movement output and balance


Question: cerebrum
Answer: largest part of the brain