Science Chemistry, Physics and
Astronomy (Latest Update 2025 /
2026) Questions & Answers | Grade
A | 100% Correct
Question:
Chain Reactions
Answer:
Occurs when the fission on one atom causes the fission of other atoms
Question:
Conduction
Answer:
the transmission of heat or electricity or sound
,Question:
Conservation of Energy
Answer:
Energy may be changed from one form to another but it cannot be created or
destroyed
Question:
Density
Answer:
Mass per unit volume
Question:
Doppler Effect
Answer:
The apparent change of pitch due to differing motions of the sounding source
and a listener.
,Question:
Electric Current
Answer:
The flow of electrons....Direct Current DC flows in one direction and
Alternating Current AC periodically reverses the direction of flow.
Question:
Energy
Answer:
(physics) the capacity of a physical system to do work
Question:
Kinetic Energy
Answer:
from a body's motion
Question:
Potential Energy
Answer:
due to a body's position.
, Question:
Fission
Answer:
a nuclear reaction in which a massive nucleus splits into smaller nuclei with
the simultaneous release of energy
Question:
Fusion
Answer:
nuclear reaction, small element atom fuses to form element with large atoms
releasing large amounts of energy, elements coming together to make bigger
atoms
Question:
Gravitation
Answer:
(physics) the force of attraction between all masses in the universe