Review game

1
Review game

• Students break into teams of 4
• Each team will discuss and answer each question
• Scoring sheets are handed in at the end.
• 5 points to winning team
• 4 points for 2nd
• 3 points 3rd
• 2 points 4th
• 1 point for 5th
• 0 for 6th

2
1- What is the currently most accepted theory
that describes the formation of the
universe?Big bang theory
3
2- What type of galaxy is the milky way?Spiral
galaxy
4
3- How long a star lasts is dependent only on its
____________Mass
5
4- What are stars classified by?Size,
brightness, and temperature
6
5- The hottest stars are what color?Blue-white
7
6- When a star has used up all of its hydrogen it
will turn into what?Red giant
8
7- How are all galaxies moving in relation to
every other galaxy?Away from each other
9
8- All the different types of electromagnetic
waves are know as what?Electromagnetic spectrum
10
9- What is the name of the force that pulls the
matter in stars together?gravity
11
10- The distance light can travel in one year is
known as what?Light year
12
11- What type of galaxy has almost no gas or
dust?Elliptical galaxies
13
12-How old is the universe?14 to 15 billion
years old
14
13- What types of telescopes gather and focus
visible light?Reflecting and refracting
telescopes
15
14- How do astronomers determine the chemical
composition of a star?A spectrograph
16
15- A nebula is the place where
_____________________a star begins its life
17
16- A star more than 40 times the mass of the sun
will end its life as a what?A black hole
18
17- A star is born when what starts to
occur?Nuclear fusion
19
18- When a star has a slight back and forth
motion, it is an indication of what?That it has
a planet
20
19- When our solar system formed, the planets
that lost most of their gases became the
what?The rocky inner planets
21
20- Determining the temperature of a star is
aided by using a what?A spectrograph
22
21- Binary stars that become dimmer at regular
intervals are called what?Eclipsing binary stars
23
22- Parallax is a method used to measure
what?The distance to nearby stars
24
23- What does the brightness of a star depend
on?Size and temperature
25
24- Main sequence stars show that they increase
in brightness as they increase in temperature on
what kind of diagram?Hertzsprung-Russel diagram