FOUNDATIONS IN SCIENCE II EXAM 4|31
QUESTIONS WITH VERIFIED ANSWERS 2025/2026
The center part of the Earth. - CORRECT ANSWER core
The outermost part of the Earth's non-gaseous structure. - CORRECT ANSWER
crust
The time required for on-half of the unstable nuclei in a radioactive substance to
decay into a new substance. - CORRECT ANSWER half-life
A reaction where atomic nuclei are split to form two or more smaller nuclei with
massive amounts of energy being released in the process - CORRECT ANSWER
nuclear fission
A reaction where atomic nuclei combine to form a larger nuclei with massive
amounts of energy released in the process - CORRECT ANSWER nuclear fusion
The name used to refer to both protons and neutrons - CORRECT ANSWER
nucleons
Middle part of the Earth's non-gaseous structure - CORRECT ANSWER mantle
Previously existing rocks that have been changed into a distinctly different rock by
heat, pressure, or hot solutions. - CORRECT ANSWER metamorphic
QUESTIONS WITH VERIFIED ANSWERS 2025/2026
The center part of the Earth. - CORRECT ANSWER core
The outermost part of the Earth's non-gaseous structure. - CORRECT ANSWER
crust
The time required for on-half of the unstable nuclei in a radioactive substance to
decay into a new substance. - CORRECT ANSWER half-life
A reaction where atomic nuclei are split to form two or more smaller nuclei with
massive amounts of energy being released in the process - CORRECT ANSWER
nuclear fission
A reaction where atomic nuclei combine to form a larger nuclei with massive
amounts of energy released in the process - CORRECT ANSWER nuclear fusion
The name used to refer to both protons and neutrons - CORRECT ANSWER
nucleons
Middle part of the Earth's non-gaseous structure - CORRECT ANSWER mantle
Previously existing rocks that have been changed into a distinctly different rock by
heat, pressure, or hot solutions. - CORRECT ANSWER metamorphic
