Stars

Stars #1

100

The brightness of a star is called its _____.

what is magnitude?

200

When an existing star flares up and becomes brighter than normal, it is called a _____.

What is nova?

300

Why did ancient civilizations use the stars? a) Planting crops b) Navigation c) Calendar d) All of the above

d) All of the above

400

What is the temperature of a star with a blue color? a) cool b) hot c) medium for a star d) the same as the Sun

b) hot

500

Explain the difference between pulsating variable stars and eclipsing variable stars.

Pulsating variable stars go through periods of swelling and brightening, then shrinking and dimming. The absolute magnitude of pulsating variable stars changes. Eclipsing variable stars are pairs of stars that orbit each other. When one star moves in front of the other, it eclipses the other star, thus causing the apparent brightness to dim. The apparent magnitude of eclipsing variable stars changes.

Stars #2

100

Our sun is a _________ star. a) giant b) white dwarf c) main sequence d) neutron

c) main sequence

200

A star is actually born when __________. a) nuclear fusion ends b) nuclear fission ends c) nuclear fusion begins d) nuclear fission begins

c) nuclear fusion begins

300

Sailors use what star to navigate on long voyages? It is the brightest star in the night sky and it does not move its position in the sky throughout the course of the night. a) The Big Dipper b) The North Star

b) The North Star

400

When a massive supergiant star collapses and disappears from space, scientists call what is left a _____.

What is a black hole?

500

List the color of stars from hottest to coolest: (red, white, blue, yellow, orange)

blue, white, yellow, orange, red

Stars #3

100

Which of these options is a star? a) Moon b) Earth c) Sun d) Jupiter

c) Sun

200

What is the best unit of measurement to describe the distance of stars from Earth? a) meter b) kilometer c) light-year d) year

c) light-year

300

Stars that regularly or repeatedly change in magnitude are called _____.

what are variable stars?

400

A group of stars that form a pattern is called a(n) _____.

What is constellation?

500

The positions of the stars and other heavenly bodies are studied by astrologists and used in astrology. Does that mean it is wrong for a Christian to study the heavens? Explain your answer.

Christians can study the heavens just as they study the earth. People who study and practice astrology trust the stars and other heavenly bodies for guidance. The Bible is the Word of God, and since God is unchangeable, the Bible applies to people today. God tells us that the Bible should be “a light unto [our] path” (Ps. 119:105). Christians should not look for guidance from sources, such as horoscopes, that do not agree with God’s Word.

Stars #4

100

The measurement of a star’s apparent movement over time is known as _____.

What is parallax?

200

What is a nebula? a) A group of five or more stars in a galaxy b) A cloud of gas and dust in which stars form c) A place stars go to die d) A cloud of small rocks in which stars form

b) A cloud of gas and dust in which stars form

300

A neutron star that spins rapidly on its axis is called a _____.

what is pulsar?

400

Telescopes that bend light to make objects seem larger are _____

what is refracting telescopes?

500

The instrument that a scientist would use to study the colors of a star is a(n) __________.

What is spectroscope?

Stars #5

100

____ are the largest and brightest stars.

What is supergiants?

200

The gravitational pull of a black hole is so strong that not even light can escape it. True or false?

What is True?

300

Smaller stars, like our sun, are _____.

What are dwarf stars?

400

What term do scientists use to describe the death explosion of a massive star?

What is supernova?

500

The scientific study of stars is called _____________.

astronomy