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STAR & GALAXIES

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.

an enormous explosion that occurs when a massive star dies

a)

black hole

b)

nuclear fusion

c)

supernova

d)

solar wind

2.

an immense cloud of dust & gas where stars are born

a)

black hole

b)

nebula

c)

prominence

d)

supernova

3.
The largest type of star is 
a)
nebula
b)
red giant
c)
red supergiant
d)
supernova
4.
All of the galaxies together is _______.
a)
nebula
b)
solar system
c)
Milky Way
d)
universe
5.
What is an exploding star?
a)
black hole
b)
Milky Way
c)
supernova
d)
solar system
6.
Elliptical, spiral, and irregular are all types of ______.
a)
solar systems
b)
universes
c)
galaxies
d)
stars
7.
What color of star is the hottest?
a)
Blue
b)
Red
c)
Yellow
d)
Orange
8.
What color of star is the coolest?
a)
Red
b)
Yellow
c)
Blue
d)
White
9.
The color of the star tells us its 
a)
composition
b)
Temperature
c)
Luminosity 
d)
Mass
10.
What determines if a star becomes a giant or a supergiant?
a)
star size
b)
star temperature
c)
star color
d)
star luminosity
11.
Our galaxy is called the
a)
Earth Nebula
b)
The Hubble Galaxy
c)
The Milky Way
d)
The Snickers
12.
The Milky Way Galaxy is a 
a)
spiral
b)
lenticular
c)
elliptical 
d)
irregular
13.

What do you call a scientist who studies objects in space?

a)

meteorologist

b)

astronomer

c)

astronaut

14.

What type of galaxy is oval-shaped?

a)

a spiral galaxy

b)

an elliptical galaxy

c)

an irregular galaxy

15.

A large group of stars, gas, and dust is called....

a)

a universe

b)

a cluster

c)

a galaxy

d)

a solar system

16.

What is the name of Earth's star?

a)

Antares

b)

Betelguese

c)

Polaris

d)

the Sun

17.

The super dense core left after a supergiant explodes as a supernova.

a)

Black hole

b)

Main sequence star

c)

Protostar

d)

Neutron star

18.

Is created when gravity pulls some of the gas and dust in a nebula together.

a)

Protostar

b)

Neutron star

c)

Supernova

d)

Galaxy

19.

Stage in a star's development when the inner helium core contracts while the outer layers of hydrogen expand.

a)

Nuclear fusion

b)

Red giant

c)

White dwarf

d)

Supernova

20.

A tremendous explosion that occurs when the core of a star is mostly iron.

a)

Supernova

b)

Nuclear Fusion

c)

Neutron star

d)

Galaxy