Astronomy 102
This occurs when the moon passes directly between the Earth and the sun.
What is a Solar Eclipse?
The first Satelite placed in Orbit.
What is Sputnik?
These two planets consist mainly of ammonia and methane gas.
What is Uranus and Neptune
This is the thin, rocky outer layer of Earth where we live.
What is the Crust?
This type of fossil forms when minerals replace all or part of an organism.
What is a petrified fossil?
This is the process of dropping or laying down sediment.
What is deposition?
This round model shows Earth’s shape more accurately than a flat map.
What is a globe?
Occurs when a Earth is directly between a full moon and the Sun?
What is a Lunar Eclipse?
The velocity a Rocket must reach to fly beyond planets gravitational pull.
What is Escape Velocity?
These 2 planets are mainly composed of Hydrogen and Helium.
what are Jupiter and Saturn.
hese waves produced by earthquakes help scientists study Earth’s interior.
What are seismic waves?
This fossil forms when a mold is later filled in with minerals.
What is a cast?
his type of weathering changes the chemical makeup of rock.
What is chemical weathering?
This imaginary line circles Earth halfway between the poles.
What is the equator?
This planet is known as the hottest planet in the Solar system.
What is Venus?
The American effort to land astronauts on the moon and return to earth was named ____________ program.
What is the Apollo Program?
This planet's mass 2 1/2 times the mass of all the planets in solar system combined.
What is Jupiter?
This metal makes up most of Earth’s core along with nickel.
What is iron?
This sticky tree sap can trap insects and preserve them.
What is amber?
Wind, water, ice, and gravity are all agents of this process.
What is erosion?
These lines run from the North Pole to the South Pole.
What are lines of longitude?
A place that is empty of all matter.
What is a Vacuum?
A spacecraft that can carry a crew into space, return to Earth, and then be reused for the same pupose.
What is the Space Shuttle?
This planet was named after the Roman God
What is Mercury?
This type of crust is thinner and made mostly of basalt.
What is oceanic crust?
Most fossils are found in this type of rock.
What is sedimentary rock?
This type of weathering occurs when oxygen reacts with iron, causing rust.
What is oxidation?
This term describes how maps show distance compared to real life.
What is scale?
This galaxy holds our Solar System.
What is the Milky Way Galaxy?
A large artificial satillite on which people can live and work on.
What is the Space Station?
This planet's axis is tilted at 90 degrees from the vertical.
What is Uranus?
This layer is liquid and creates Earth’s magnetic field.
What is the outer core?
This fossil fuel forms from ancient plant material buried under heat and pressure.
What is coal?
This is the term for the wearing away of rock by grinding action, like sandpaper.
What is abrasion?
This Instrument is used to calculate the Latitude position of a Ship in the 1800 hundreds.
What is a Sexton?