©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.
C165- Earth and Sky Exam Questions
and Answers 100% Solved
What force caused the hydrogen, helium, and lithium formed from the big
bang to collect and form stars, planets, and other objects, as well as to
form the different elements than hydrogen making up these objects?
magnetism
gravity
chemical bonds
inertia - ✔✔gravity
What process generates the energy that stars emit?
,©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.
chemical reaction of hydrogen and oxygen to form water vapor- wrong
fission of uranium or other large nuclei to form smaller nuclei
fusion of hydrogen or other small nuclei to form larger nuclei
gravitational acceleration of matter to convert potential energy to kinetic
energy- wrong - ✔✔fusion of hydrogen or other small nuclei to form larger
nuclei
Which of these effects is NOT caused by gravity?
a planet's atmosphere retaining thermal energy
solar systems being held together to form a galaxy
planets orbiting a star
hydrogen gas condensing to form a star - ✔✔a planet's atmosphere
retaining thermal energy
, ©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.
Which of these properties characterize the outer planets compared to the
inner planets?
gaseous and less dense
smaller size
made of high density material
a shorter year (shorter amount of time to go around the sun) - ✔✔gaseous
and less dense
Which kind of object found in our solar system BEST fits each description?
Description Object
extremely small rocky body usually in the inner solar system
spherical object orbiting a planet
C165- Earth and Sky Exam Questions
and Answers 100% Solved
What force caused the hydrogen, helium, and lithium formed from the big
bang to collect and form stars, planets, and other objects, as well as to
form the different elements than hydrogen making up these objects?
magnetism
gravity
chemical bonds
inertia - ✔✔gravity
What process generates the energy that stars emit?
,©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.
chemical reaction of hydrogen and oxygen to form water vapor- wrong
fission of uranium or other large nuclei to form smaller nuclei
fusion of hydrogen or other small nuclei to form larger nuclei
gravitational acceleration of matter to convert potential energy to kinetic
energy- wrong - ✔✔fusion of hydrogen or other small nuclei to form larger
nuclei
Which of these effects is NOT caused by gravity?
a planet's atmosphere retaining thermal energy
solar systems being held together to form a galaxy
planets orbiting a star
hydrogen gas condensing to form a star - ✔✔a planet's atmosphere
retaining thermal energy
, ©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.
Which of these properties characterize the outer planets compared to the
inner planets?
gaseous and less dense
smaller size
made of high density material
a shorter year (shorter amount of time to go around the sun) - ✔✔gaseous
and less dense
Which kind of object found in our solar system BEST fits each description?
Description Object
extremely small rocky body usually in the inner solar system
spherical object orbiting a planet
