Apologia Astronomy lessons 13 & 14 test
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| One of the most important stars is the North Star, also called _________________. | Polaris
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| The brightest star in the sky is _____________. | Sirius
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| When one star orbits another star, it is called a double star system. Another name for this is a _____________ ___________ _______________. | binary star system
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| As a star runs out of fuel and begins to die, it starts to collapse in on itself. Sometimes the star has a lot of mass which generates a lot of heat and causes the star to explode. This explosion is called a __________________. | supernova
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| If the core of a dying star is left behind and has a large mass, it will start to pull everything in with its gravity causing a _______________ _____________. | black hole
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| The "footprint" left behind by a supernova contains gases, dust and debris, and it is called a __________________. | nebula
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| __________________ ___________ can have changes in temperature and energy output over time. Thankfully, our Sun is not like this! | Variable stars
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| Stars can be categorized in three ways. Name these ways. | (1)Hot or cold, (2) Bright or dim, and (3) Big or small
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| The largest star we know about is named _______________. | Betelgeuse
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| What does the term "light year" mean? | It is the distance that light can travel in a year.
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| Earth is in a galaxy named the ____________ __________. | Milky Way
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| List the four types of galaxies. | (1) spiral, (2) elliptical, (3) lenticular and (4) irregular
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| __________________ is a religion in which people put their faith in the stars and check their "horoscopes" daily. | Astrology
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| Polaris is part of a group of stars called what? | The Little Dipper
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| What is astronautics? | The science of space flight
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| Russia launched the first rocket into space and it put the first satellite named _______________ in space. | Sputnik
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| Russia and the U.S. were in competition to travel to space. This was called the _______________ __________. | Space Race
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| In 1969, _________ _______________ was the first man to step on the moon. | Neil Armstrong
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| Which president decided that the U.S. should put a man on the moon? | John Kennedy
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| In space, astronauts experience no gravity which is called what? | zero gravity
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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