1.
Which of the following statements is true? (4 points)

Science is not concerned with how the universe began.

There is a scientific theory for how the universe began, but there is no scientific evidence to support it.

Science has no generally accepted theory for how the universe began.

Science has a generally accepted theory for how the universe began.
2.
What directs the formation of all stars and planets? (4 points)

The Law of Universal Gravitation.

The Law of Electricity and Magnetism

The Laws of Chance

The Electromagnetic Law
3.
Galaxies are classed according to their (4 points)

color

size

shape

number of planets
4.
What is the name of our galaxy? (4 points)

The Big Bang

The Big Dipper

The Milky Way

Home Galaxy
5.
Which of the following statements is true about our galaxy? (4 points)

It contains one star.

It contains several stars

It contains several thousand stars.

It contains billions of stars.
6.
Which statement is true about the speed of light? (4 points)

Light travels relatively slowly.

Distance in space is measured using the speed of light.

Time in space is measured using the speed of light.

The speed of light is unknown.
7.
The distance light travels in a year is called a (4 points)

light year

parsec

megameter

astronomical unit
8.
Which of the following is used to classify stars? (4 points)

Shape

Number of planets

Position in the night sky

Temperature
9.
We can know what elements are found in a star by studying the star's (4 points)

brightness

position in the sky

position in the galaxy

light
10.
What is an HR diagram? (4 points)

A diagram showing the layers of a star

A diagram showing where stars can be found

A graph used to study stars

A graph of a star's changing shape
11.
A medium-sized star is called a (4 points)

galaxy

red giant

main sequence star

black hole
12.
A graph used by scientists that shows stars grouped by size is called the (4 points)

Graph of Stellar Evolution

Holly-Randall Star Graph

HR Diagram

HR Graph of Star Sizes
13.
A black hole can be considered a star that has (4 points)

formed new stars

collapsed into itself

changed into a brighter star

disintegrated into stellar dust
14.
Because stars are said to have a life cycle, we expect them to (4 points)

eventually "die"

cease to have an orbit

continue to move in circular orbits

create living organisms
15.
Which of the following is a star early in its life? (4 points)

Protostar

Main sequence star

White dwarf

Red giant
16.
A black hole is a star that has (4 points)

too little gravity to emit light

reached the end of its life

reached the middle of its life

become brighter
17.
Which feature of the sun releases large amounts of magnetic activity that can interfere with the earth's communication systems? (4 points)

Solar eclipse

Sunspots

Solar prominence

Sunquakes
18.
Which part of the sun can you see only during an eclipse? (4 points)

Chromospheres

Sunspot

Corona

Photosphere
19.
Which wave is most similar to visible light? (4 points)

A sound wave moving through the air

A radio wave moving through space

A water wave moving through a lake

A sound wave moving through wood
20.
Which of the following would not be found on the electromagnetic spectrum? (4 points)

The wavelengths of electromagnetic radiation

The frequency of electromagnetic radiation

The colors of visible light

The pitch of a sound wave
21.
All of the following statements about electromagnetic radiation are true except (4 points)

all electromagnetic radiation travels at the speed of light

all electromagnetic radiation can be considered a form of light

all electromagnetic radiation can be seen

all electromagnetic radiation travels in waves
22.
All of the following are types of visible light except (4 points)

the color blue

the color violet

the color white

ultraviolet
23.
What is a star's emission spectrum? (4 points)

It is the same as the HR diagram and gives the same information.

It is the fingerprint of all of the colors of light emitted by a star.

It is a graph of all the pollution given off by a star.

It is a graph of the star's solar flares.
24.
A star's emission spectrum tells (4 points)

what size the star is

what pollutants are given off by the star

where the star is found in the night sky

what atoms make up the star
25.
A star about the size of our sun would be considered (4 points)

a giant star

a medium-sized star

a large star

a very small star