Stars & Galaxies

Front 1

Patterns are ___________ events in the sky.

Back 1

repeated

Front 2

Patterns are often predictable and logical, thus making it possible for people to invent ________.

Back 2

Calendars

Front 3

A solar eclipse occurs when the _____ blocks the _____ light.

Back 3

moon, sun's

Front 4

A lunar eclipse occurs when the _______ casts a shadow on the ______.

Back 4

Earth, moon

Front 5

These ______ events are not part of the regular patterns seen in the sky.

Back 5

rare

Front 6

Most ancient people left behind _____ that show they found the movements of the sky important.

Back 6

structures

Front 7

People invented _____ to help them better understand the _____.

Back 7

tools, stars

Front 8

Describe 2 early tools to measure the angle between a star and the horizon.

Back 8

astrolabe - star map on a circle plate

sextant - looks like a slice of pie

Front 9

The telescope was considered a ____________ in astronomy.

Back 9

break-through

Front 10

Italian scientist ______ ________ was the first to use this tool in astronomy.

Back 10

Galileo Galilei

Front 11

Describe some of the discoveries Galileo made with the telescope.

Back 11

The sun spins, moon has mountains, Venus has phases like the moon, Jupiter has 4 moons, planets revolve around the sun

Front 12

_________ ___________ was another scientific genus who contributed to the field of astronomy

Back 12

Isaac Newton

Front 13

In order for telescopes to work, they need very _____ ______ night skies.

Back 13

clear, dark

Front 14

Telescopes that detect radio waves look like ______ dishes.

Back 14

satellite dish

Front 15

Some telescopes have been ______ into space to help explore the universe.

Back 15

launched

Front 16

Seasons, phases of the moon, and the rising and setting of the sun are ______ that are seen in the sky.

Back 16

patterns

Front 17

A ______ eclipse occurs when the Moon blocks the Sun's light.

Back 17

solar

Front 18

An equinox is the time of year when day and night are of _______ length

Back 18

equal

Front 19

A(n) _________ is a star map drawn on a metal plate.

Back 19

astrolabe

Front 20

A sextant measures the angle between the ___________ and a point in the sky.

Back 20

horizon

Front 21

Isaac Newton developed a _______ telescope that showed objects in a sharper detail.

Back 21

reflecting

Front 22

Telescopes collect and concentrate _______.

Back 22

light

Front 23

Radio telescopes have ______ that collect and focus radio waves.

Back 23

dishes

Front 24

The Sun is a medium sized _______.

Back 24

star

Front 25

The Sun's energies come from the fusion of _______ atoms into _______ atoms.

Back 25

Hydrogen, Helium

Front 26

The Sun is _________ star to Earth.

Back 26

closest

Front 27

A star's _____, ______, and ______ ______ ______ influence how bright a star looks to us.

Back 27

size, temperature, distance from the Earth

Front 28

Color/label the stars on a scale from the coolest to the hottest.

Back 28

red, orange, yellow, white

Front 29

Draw a picture illustrating the Sun's layers, labeling each one.

Front 30

__________ occurs in the Sun's Photopshere, and change in cycles of about ___ year.

Back 30

sunspots, 11

Front 31

Compare Prominences and Solar Flares

Back 31

Prominences - fountain loop of ribbon

Both - take place on the Sun

Solar Flares - like a volcano erupts, bright spot

Front 32

New stars form in a cloud of dust and gas called a _______.

Back 32

nebula

Front 33

When star run out of fuel for energy, they ______ getting pulled in.

Back 33

shrink

Front 34

Starts that have finished shrinking hurtle matter and energy into space in a an explosion known as a _______.

Back 34

supernova

Front 35

A _____ _______ is a point in space that has such a strong gravity force that nothing can escape.

Back 35

black hole

Front 36

A Gigantic explosion of a star millions or billions of times brighter than the star was.

Back 36

Supernova

Front 37

A cloud of gas and dust in which new stars form.

Back 37

nebula

Front 38

A point in space with a force of gravity so strong that nothing within a certain distance can escape being sucked in.

Back 38

black hole

Front 39

The distance light travels in one year.

Back 39

light year

Front 40

T/F - The sun is the closest star to Earth.

Back 40

True

Front 41

T/F - The hottest stars are red stars.

Back 41

False

Front 42

T/F - The three layers of the Sun are the photosphere, the chromosphere, and the corona.

Back 42

True

Front 43

T/F - A white dwarf star is one that has no fuel to make its own energy.

Back 43

True

Front 44

Our solar system is part of the ______ ______.

Back 44

Milky Way

Front 45

A galaxy is a huge system of stars, dust, and gas held together by ______.

Back 45

gravity

Front 46

A constellation is a group of ______ that forms a ______.

Back 46

stars, pattern

Front 47

List 2 characteristics of a constellation.

Back 47

Stars ma not be close together in the same constellations.

Some constellations are only visible at certain times of the year.

Front 48

Constellations appear to move across the sky because the Earth ______.

Back 48

moves

Front 49

Some ___________ can be seen only at certain times of the year.

Back 49

constellations

Front 50

Patterns of the stars change over very long periods of time because stars slowly ______.

Back 50

move

Front 51

A(n) ______ galaxy has a bright, bulging middle and wispy arms fanning out from the center.

Back 51

spiral

Front 52

The half of the Earth north of the equator is called the _______ Hemisphere.

Back 52

Northern

Front 53

The Sun seems to travel across the sky because the ______ is spinning.

Back 53

Earth

Front 54

________ change with the seasons because Earth is traveling around the Sun.

Back 54

constellations

Front 55

an area in the sky and all the stars located there

Back 55

constellation

Front 56

a huge system of stars, dust, and gas that is held together by gravity

Back 56

galaxy

Front 57

an explosion that is billions of times brighter than a star

Back 57

supernova

Front 58

a point in space with a gravitational field so strong not even light can escape

Back 58

black hole

Front 59

a cloud of gas and dust where a new star is formed

Back 59

nebula

Front 60

the distance that light travels in one year

Back 60

lightyear

Front 61

Explain how knowing when seasons changed could help ancient farmers.

Back 61

they needed to know when it was so they could have good crops

Front 62

List one advantage to space telescopes and one advantage to earthbound telescopes.

Back 62

One advantage for earth telescopes are if it breaks we can fix it.

One advantage for space telescopes are they can see if a star explodes.

Front 63

Which is hotter, a yellow star or white star?

Back 63

White

Front 64

Describe why all of the stars in a constellation are not always close together.

Back 64

The stars are so far away we can't tell how far apart they are.

Front 65

you are stranded on an island and wonder where you are. After a quick look at the sky, you determine that you are in the Southern Hemisphere. How did you conclude that?

Back 65

You would know because you can't see the North Star.