FTCE PREK – 3 SCIENCE EXAM WITH
CORRECT ACTUAL QUESTIONS AND
CORRECTLY WELL DEFINED ANSWERS
LATEST ALREADY GRADED A+
Thermal energy - ANSWERS-Total internal energy of objects
created by the vibration & movement of atoms &
molecules.
Acoustical energy - ANSWERS-Movement of energy through
an object in waves.
Also known as sound energy
Radiant energy - ANSWERS-Energy of electromagnetic wave.
Electrical energy - ANSWERS-Movement of electrical charges
in electromagnetic field.
, Nuclear energy - ANSWERS-Energy present in the nucleus of
atoms.
Mechanical energy - ANSWERS-Potential & kinetic energy of
a mechanical system.
Chemical energy - ANSWERS-Energy stored in the chemical
bonds of molecules.
Friction - ANSWERS-Resistance of motion of surfaces that
touch each other
Mutations - ANSWERS-Inheritable changes in DNA . Can be
errors in replication or a spontaneous rearrangement of 1 or
more segments by factors like radioactivity, drugs, or
chemicals.
Can occur on somatic or sex cells.
Nitrogen gas - ANSWERS-80% of Earth's atmosphere
Ecology - ANSWERS-Study of organisms, where they live, &
their interactions with the environment
CORRECT ACTUAL QUESTIONS AND
CORRECTLY WELL DEFINED ANSWERS
LATEST ALREADY GRADED A+
Thermal energy - ANSWERS-Total internal energy of objects
created by the vibration & movement of atoms &
molecules.
Acoustical energy - ANSWERS-Movement of energy through
an object in waves.
Also known as sound energy
Radiant energy - ANSWERS-Energy of electromagnetic wave.
Electrical energy - ANSWERS-Movement of electrical charges
in electromagnetic field.
, Nuclear energy - ANSWERS-Energy present in the nucleus of
atoms.
Mechanical energy - ANSWERS-Potential & kinetic energy of
a mechanical system.
Chemical energy - ANSWERS-Energy stored in the chemical
bonds of molecules.
Friction - ANSWERS-Resistance of motion of surfaces that
touch each other
Mutations - ANSWERS-Inheritable changes in DNA . Can be
errors in replication or a spontaneous rearrangement of 1 or
more segments by factors like radioactivity, drugs, or
chemicals.
Can occur on somatic or sex cells.
Nitrogen gas - ANSWERS-80% of Earth's atmosphere
Ecology - ANSWERS-Study of organisms, where they live, &
their interactions with the environment