Vocabulary Flip Book
Grade 4 Earth Science
solar system / sistema solar
• A star and the celestial objects that orbit it.
Mercury / mercurio
• The planet closest to the Sun and the second
smallest planet in our solar system.
Venus / Venus
• The second planet from the sun in our solar
Mars / Marte
• The fourth planet from the Sun, a reddish-
colored, terrestrial planet.
Earth / Tierra
• The planet we live on; the third planet from
the Sun in our solar system.
Jupiter / Jupiter
• The fifth planet from the Sun and the largest
planet in the solar system.
Saturn / Saturno
• The planet that is the second largest in our
solar system, sixth in distance from the Sun,
and best known for its rings.
Uranus / Urano
• The seventh planet from the Sun in our
Neptune / Neptuno
• The eighth planet from the Sun in our solar
Pluto / Pluton
• Pluto is a dwarf planet (or plutoid) that usually orbits past the orbit of
Neptune. It was classified as a dwarf planet in 2006; before that it was
considered to be a planet, the smallest planet in our solar system.
orbit / orbita
• The path that an object in space follows
around another object in space, for example,
Earth’s orbit around the Sun.
seasons / estaciones
• One of the four quarters into which the year
is divided -- fall , spring, summer , winter;
determined by the tilt of the earth on its
axis / eje axis
• An imaginary line that a planet spins
around. Earth’s axis passes through the
North and South Poles
rotation / rotaciónr
• A planet’s act of spinning or turning around
revolution / revolución
• A planet’s movement around the Sun in an
tilt / inclinación
• Tilt is to slope; to incline; to slant. The Earth is
tilted 23 ½ degrees on its axis.
water cycle / ciclo del agua
• The continuous circulation of water through
evaporation, condensation, and precipitation—
between the Earth’s surface and the atmosphere.
air pressure / presión del aire
• The force that air puts on objects.
low-pressure area / área de
• A large swirling mass of rising air that has
low air pressure and that usually brings wet,
high-pressure area / área de
• A large, slowly swirling mass of sinking air
that has high air pressure and fair weather.
barometer / barómetro
• An instrument used to measure air pressure.
wind vane / veleta
• An instrument that shows the direction of
anemometer / anemómetro
• An instrument used to measure wind speed.
precipitation / precipitación
• Water that falls to Earth, usually as rain,
snow, sleet, or hail, as part of the water
rain gauge / intrumento para
medir la lluvia
• An instrument used to measure rainfall.
humidity / humedad
• The amount of water vapor, or moisture, in
hydrometer / hidrómetro
• An instrument used to measure a liquid’s
air mass / masa de aire
• A huge body of air that has the same temperature,
pressure, and humidity throughout.
front / onda
• In weather, the edge where two masses of
air with different temperatures meet.
forecast / pronóstico
• A prediction of the weather conditions for a
given area at a given time.
meteorologist / meteorólogo
• A person who studies the Earth’s
atmosphere, including its weather and
resources / recursos
• Something valuable or useful to a place or
conservation / conservación
• To use a resource such as air, water, and
land carefully, allowing it to last longer.
currents / corrientes
• A constant flow of water, air, or electricity.
tide / marea
• The regular, altering rise and fall of the ocean’s surface
level, caused by the gravitational pull of the Moon and Sun
high tide / marea alta
• Each 24 hour day the ocean beach will have two
low and two high tides. About six hours will pass
between each tide. The high tide is the highest
level to which the tide rises; high water.
low tide / marea baja
• Each 24 hour day the ocean beach will have
two low and two high tides. About six hours
will pass between each tide. The low tide is
the lowest level the water reaches on the
wave / ola
• A moving ridge or swell on the
surface of water, especially the
coral reefs / arrecifes
o Coral reefs are warm, clear, shallow ocean habitats that are
rich in life. The reef's massive structure is formed from
coral polyps, tiny animals that live in colonies; when coral
polyps die, they leave behind a hard, stony, branching
structure made of limestone.
oceanoigrapher / oceanógrafo
• A person who studies oceans, including
their depth and extent, water chemistry,
marine biology and resource use.
ecosystem / ecosistema
• All the living and nonliving things in an
area and their interactions with one another.
erosion / erosión
• The wearing away of soil and rock by
water, wind, or ice.
wind / viento
• Moving Air.
lunar cycle / ciclo lunar
• The changes in how the moon looks to people on Earth is
called a lunar cycle. We see the part of the moon reflecting
light from the Sun to Earth.
landforms / accidentes
• A natural feature of Earth’s surface.
volcano / volcán
• An opening in Earth’s crust through which
lava, ash, and cinders erupt, or the mountain
formed from past eruptions.
earthquake / terremoto
• A sudden movement of the ground that
happens when part of Earth’s crust suddenly
shifts, usually at a fault line.
fault / falla
• A crack in Earth’s crust along which
dune / duna
• A hill of sand that is deposited by the wind.
mineral / mineral
• A solid natural material that has a crystal
form and its own set of properties.
plateau / meseta
• A large area of flat land higher than the
plain / llano o llanura
• A large, flat area of land with few trees.
soil / tierra
• The top layer of Earth’s surface in which
plants grow, made up of sand, silt, clay, and
weathering / desgaste
• The action of the wind, water, temperature
changes, and other factors in breaking down rocks
into smaller pieces.
tectonic plates / tectonicade
• One of the large, rigid pieces of rock that
make up Earth’s crust.
igneous rock / roca ígnea
• A type of rock formed from molten rock
(magma) that cooled.
seismograph / sismógrafo
• An instrument that measures and records
the time, strength, and duration of
sedimentary rock / roca
• A type of rock formed when layers of
sediment are pressed and cemented together
metamorphic rock / roca
• A rock that has been changed by heat or
pressure into another kind of rock.
dissolve / disolver
• To spread evenly throughout another
substance, especially a solid spreading out
through a liquid.
fossil / fósil
• The remains or traces of an ancient living
thing preserved in rock.
luster / lustre
• The brightness or shine of a mineral’s
hardness / dureza
• How resistant a mineral or other substance
is to scratching.
basalt / basalto
• Basalt is formed from lava which has erupted onto earth's
surface. It will normally have small crystals that are hard
to see. It can be a greenish black or a brownish black.
Basalt is the most common volcanic rock.
limestone / piedra caliza
• Limestone is one of the major types of
sedimentary rocks. Limestone is usually made of
tiny calcite skeletons of microscopic organisms
that once lived in shallow seas.
sandstone / piedra arenisca
• Sandstone is one of the major types of
sedimentary rocks. Sandstone forms where sand
is laid down and buried—beaches, dunes and
circumference / circunferencia
• Circumference is the distance around a
diameter / diámetro
• Diameter is the distance across a circular
crystals / cristales
• A crystal is the solid form of a mineral that can be
identified by its shape or pattern.
rocks / rocas
• The minerals + hardened clay + compressed
sand that makes up Earth’s crust.
properties / propiedades
• A characteristic of matter that can be
observed and measured, such as volume,
density, or mass.
mock rocks / rocas simuladas
• A mock rock is a simulated rock.
evaporate / se evapora
• To change from a liquid into a gas.
geology / geología
• The study of Earth, how it was formed, and
the materials that make it up.
depth / profundidad
• How deep something is. How far below sea
rock cycle / ciclo de las rocas
• An ongoing natural process by which rocks
are changed from one type into another over
long periods of time.
marble / mármol
• Marble is a metamorphic rock from
limestone, a sedimentary rock. Pressure,
temperature, and time turns limestone into
evidence / evidencia
• A thing or things helpful in forming a
conclusion or judgment.
quartz / cuarzo
• Quartz is one of the most common minerals
in Earth’s crust. It is best known for its beautiful,
colorless, hexagonal crystals.
fluorite / fluorita
• Fluorite is a mineral that comes in a variety
of colors and usually glows under an
ultraviolet light source.
calcite / calcita
• Calcite is one of the most common minerals
on Earth. It is composed of calcium
gypsum / yeso
• Gypsum is a mineral that forms when
seawater evaporates under arid conditions.
vinegar / vinagre
• Vinegar is an acid that can be used to test
acid / ácido
• A chemical that gives up hydrogen ions (H+) in water,
making the water taste sour and giving it a pH from 1-6.
granite / granito
• Granite is an igneous rock that forms when
magma cools deep in Earth’s crust. It makes up
about 22% of the Earth’s crust. Its main ingredients are feldspar, quartz, black
mica, and hornblende.
feldspar / feldespato
• Feldspar is not one mineral, but a group of related
minerals. It comes in a variety of colors. It is the most
abundant mineral in the Earth’s crust.
• Hornblende is a mineral that can be found
with long needlelike crystals. It is usually
black but can be dark green or brown.
mica / hornablenda de mica
• Mica is a mineral with a color range from
black to almost colorless. It can easily be
pulled apart in paper-thin, flexible sheets.
Earth material /
• The Earth is made of many different materials. There are
four main layers and each layer has a different thickness,
temperature and material.
geologist / geologo
• A person who studies the Earth, how it was
formed, and the materials that make it up.
gemologist / gemologo
• A Gemologist is a person who studies