Products
Flashcards
Quiz Maker
Training Maker
See All
ProProfs.com
Products
Flashcards
Quiz Maker
Training Maker
See All
ProProfs.com
Related Flashcards
Take Flashcards
Popular
Recent
Language
Animal
Art
Assessment
Book
Business
Career
Celebrity
Computer
Country
Education
English
Exam
Food
Fun
Game
Geography
Health
History
Literature
Music
Math
Medical
Personality
Profession
Science
Society
Sports
Subject
Television
Create Flashcards
?
Take a Quiz
All Products
Brain Games
ProProfs.com
Home
›
Create
›
Flashcards
›
Science
›
Astronomy
›
Astronomy Ch.1-4 Test
›
Download View
Download (Astronomy Ch.1-4 Test) Flashcard
Choose a format below:
TEXT Format (.txt)
MS-Excel Format (.xls)
Select delimiter »
Comma
Semicolon
Tab
New Line
Custom
Preview »
Side A ------ Side B Aristotle claimed the earth was ________, but that the heavens were _______. ------ Imperfect, perfect What is one AU? ------ The distance from the earth to the sun (approximately 150 million km) What is one light year? ------ The distance light travels in one year What is today's definition of a constellation? ------ Well defined regions of the night sky The Big Dipper is an example of a(n) _________. ------ Asterism (portion of a constellation) What is the Celestial Sphere? ------ The appearance of the the stars from earth. The ______ star is the brightest star in a constellation. ------ alpha The brightest stars are part of the ________ magnitude, and the the faintest stars visible to the naked eye are part of the _______ magnitude. ------ first, sixth First magnitude stars are _______ times brighter than sixth magnitude stars. ------ one hundred Stars become _______ times brighter with each increase in magnitude. ------ 2.5 What is the relationship between magnitude and brightness of a star? ------ The smaller the magnitude, the brighter the star. What is a zenith? ------ The highest point in the celestial sphere What is a nadir? ------ The lowest point in the celestial sphere What is the celestial equator? ------ Earth's equator projected out into space What is the celestial north pole? ------ Earth's north pole projected out into space The distance between stars is typically measured in ________. ------ degrees What is latitude? ------ The angle from the horizon to the celestial north pole What is altitude? ------ The number of degrees above the horizon What is azimuth? ------ The number of degrees on the horizon What is meant by the term circumpolar? ------ Stars that never set and are constantly rotating around celestial north. What is the name of the apparent path of the sun? ------ The ecliptic Seasons are caused by the ________. ------ angle of incidence What does the term "perihelion" mean? ------ It is when the earth is closest to the sun. What are the astronomical influences on the seasons? ------ Eccentricity, precession, inclination of the Earth's axis, and Milankovitch hypothesis (changes in all 3 = long-term global climate change). It takes 29.53 days for the moon to go through one _______ period. ------ synodic Because the moon is __________, only one side can ever be seen from earth. ------ tidally-linked The _______ is the DARKER shadow of earth. ------ umbra The _______ is the LIGHTER shadow of earth. ------ penumbra A(n) _________ shadow is necessary for a total lunar eclipse. ------ umbra In a(n) ________ eclipse the moon is covered. ------ lunar In a(n) ________ eclipse the sun is covered. ------ solar The _______ is a layer of atmosphere of the sun just outside of the photosphere. ------ chromosphere The _____ is the glare the comes off of the sun during solar eclipses. ------ corona _________ jump from the sun and back again. ------ Prominences ________ occurs when the moon is CLOSEST to the earth. ------ Perigee ________ occurs when the moon is FURTHEST from the earth. ------ Apogee A(n) ________ solar eclipse occurs when the moon doesn't completely cover the sun. ------ annular Who accurately calculated Earth's radius for the first time? ------ Eratosthenes What theory has the planets on epicycle tracks? ------ Ptolemy Copernicus came up with the idea of a ________ universe. ------ heliocentric The apparent backward motion of Mars from earth is an example of ________. ------ retrograde motion Who was a supernova that overruled Aristotle's theory of a perfect universe? ------ Tycho Brahe Who hired Johannes Kepler? ------ Tycho Brahe Kepler said that planets have _____ orbits and move in _______ motion. ------ elliptical, non-uniform What were Kepler's three laws? ------ 1.) Planets move around the sun.2.) The sun sweeps over equal areas in equal amounts of time.3.) A planet's orbit squared is proportional to its distance from the sun cubed. P(squared) = a(cubed) Galileo founded science that was purely based on ________. ------ observation True of False: Galileo invented the first telescope. ------ False, but he did greatly improve upon it. What important discovery about Jupiter did Galileo make? ------ Its moons What did Galileo see for the first time on Saturn? ------ Its rings Galileo noticed _______ on the moon. ------ surface structures Galileo discovered _______ on the sun, proving it is not perfect. ------ sun spots What did Galileo use to prove a heliocentric universe? ------ The phases of Venus
Side A ------ Side B Aristotle claimed the earth was ________, but that the heavens were _______. ------ Imperfect, perfect What is one AU? ------ The distance from the earth to the sun (approximately 150 million km) What is one light year? ------ The distance light travels in one year What is today's definition of a constellation? ------ Well defined regions of the night sky The Big Dipper is an example of a(n) _________. ------ Asterism (portion of a constellation) What is the Celestial Sphere? ------ The appearance of the the stars from earth. The ______ star is the brightest star in a constellation. ------ alpha The brightest stars are part of the ________ magnitude, and the the faintest stars visible to the naked eye are part of the _______ magnitude. ------ first, sixth First magnitude stars are _______ times brighter than sixth magnitude stars. ------ one hundred Stars become _______ times brighter with each increase in magnitude. ------ 2.5 What is the relationship between magnitude and brightness of a star? ------ The smaller the magnitude, the brighter the star. What is a zenith? ------ The highest point in the celestial sphere What is a nadir? ------ The lowest point in the celestial sphere What is the celestial equator? ------ Earth's equator projected out into space What is the celestial north pole? ------ Earth's north pole projected out into space The distance between stars is typically measured in ________. ------ degrees What is latitude? ------ The angle from the horizon to the celestial north pole What is altitude? ------ The number of degrees above the horizon What is azimuth? ------ The number of degrees on the horizon What is meant by the term circumpolar? ------ Stars that never set and are constantly rotating around celestial north. What is the name of the apparent path of the sun? ------ The ecliptic Seasons are caused by the ________. ------ angle of incidence What does the term "perihelion" mean? ------ It is when the earth is closest to the sun. What are the astronomical influences on the seasons? ------ Eccentricity, precession, inclination of the Earth's axis, and Milankovitch hypothesis (changes in all 3 = long-term global climate change). It takes 29.53 days for the moon to go through one _______ period. ------ synodic Because the moon is __________, only one side can ever be seen from earth. ------ tidally-linked The _______ is the DARKER shadow of earth. ------ umbra The _______ is the LIGHTER shadow of earth. ------ penumbra A(n) _________ shadow is necessary for a total lunar eclipse. ------ umbra In a(n) ________ eclipse the moon is covered. ------ lunar In a(n) ________ eclipse the sun is covered. ------ solar The _______ is a layer of atmosphere of the sun just outside of the photosphere. ------ chromosphere The _____ is the glare the comes off of the sun during solar eclipses. ------ corona _________ jump from the sun and back again. ------ Prominences ________ occurs when the moon is CLOSEST to the earth. ------ Perigee ________ occurs when the moon is FURTHEST from the earth. ------ Apogee A(n) ________ solar eclipse occurs when the moon doesn't completely cover the sun. ------ annular Who accurately calculated Earth's radius for the first time? ------ Eratosthenes What theory has the planets on epicycle tracks? ------ Ptolemy Copernicus came up with the idea of a ________ universe. ------ heliocentric The apparent backward motion of Mars from earth is an example of ________. ------ retrograde motion Who was a supernova that overruled Aristotle's theory of a perfect universe? ------ Tycho Brahe Who hired Johannes Kepler? ------ Tycho Brahe Kepler said that planets have _____ orbits and move in _______ motion. ------ elliptical, non-uniform What were Kepler's three laws? ------ 1.) Planets move around the sun.2.) The sun sweeps over equal areas in equal amounts of time.3.) A planet's orbit squared is proportional to its distance from the sun cubed. P(squared) = a(cubed) Galileo founded science that was purely based on ________. ------ observation True of False: Galileo invented the first telescope. ------ False, but he did greatly improve upon it. What important discovery about Jupiter did Galileo make? ------ Its moons What did Galileo see for the first time on Saturn? ------ Its rings Galileo noticed _______ on the moon. ------ surface structures Galileo discovered _______ on the sun, proving it is not perfect. ------ sun spots What did Galileo use to prove a heliocentric universe? ------ The phases of Venus
Everything is ready!
Let’s click on download button to download score report in Microsoft Excel format (.xls file).