EAS Spring Study Guide Exam With Complete
Solutions 2026-2027
Layers of the Earth
crust, mantle, outer core, inner core
Layers of the atmopshere
troposphere, stratosphere, mesosphere, thermosphere
HR diagram
A graph relating the temperature and brightness of stars
physical, life, earth science
3 branches of science
sun
A typical star that is the source of light and heat for the planets in the solar system.
new moon phase
phase when the moon is located directly between the earth and sun
full moon
phase of the moon when the entire face visible from Earth is illuminated.
Revolution
The orbit of an object around another object
, Rotation
The turning of a planet about its own axis
Composition of the Sun
hydrogen and helium
Kuiper Belt
A region of our solar system that contains small, icy bodies beyond the orbit of Neptune
divergent boundary
The are where two tectonic plates are moving apart from each other
convergent boundary
A boundary of tectonic plate where two plates collide, come together, or crash into each
other.
Lava
Magma reaching to the Earth's surface
star
A huge ball of hot gas, comprised mostly of hydrogen and helium, in which nuclear
fusion takes place.
nuclear fusion
A nuclear reaction where there is the combination of atomic nuclei of low atomic
number to form a heavier nucleus along with the release of energy.
Conduction
The transfer of heat directly from one substance to another substance that it is
touching.
Convection
The transfer of heat by the movement of a fluid
Solutions 2026-2027
Layers of the Earth
crust, mantle, outer core, inner core
Layers of the atmopshere
troposphere, stratosphere, mesosphere, thermosphere
HR diagram
A graph relating the temperature and brightness of stars
physical, life, earth science
3 branches of science
sun
A typical star that is the source of light and heat for the planets in the solar system.
new moon phase
phase when the moon is located directly between the earth and sun
full moon
phase of the moon when the entire face visible from Earth is illuminated.
Revolution
The orbit of an object around another object
, Rotation
The turning of a planet about its own axis
Composition of the Sun
hydrogen and helium
Kuiper Belt
A region of our solar system that contains small, icy bodies beyond the orbit of Neptune
divergent boundary
The are where two tectonic plates are moving apart from each other
convergent boundary
A boundary of tectonic plate where two plates collide, come together, or crash into each
other.
Lava
Magma reaching to the Earth's surface
star
A huge ball of hot gas, comprised mostly of hydrogen and helium, in which nuclear
fusion takes place.
nuclear fusion
A nuclear reaction where there is the combination of atomic nuclei of low atomic
number to form a heavier nucleus along with the release of energy.
Conduction
The transfer of heat directly from one substance to another substance that it is
touching.
Convection
The transfer of heat by the movement of a fluid
