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Worksheetsuniverse/organisms
Total questions: 21
Worksheet time: 48mins
Name
Class
Date
1.
True or FalseThe Earth's Sun is classified as a super giant star
a)
True
b)
False
2.
A Hertzsprung-Russell diagram is shown below.
Based on this diagram, which type of stars would belong to spectral class M and have the highest luminosity?
Based on this diagram, which type of stars would belong to spectral class M and have the highest luminosity?
a)
Main-sequence stars
b)
Giants
c)
White dwarfs
d)
Supergiants
3.
What type of galaxy is this?
a)
Spiral
b)
Elliptical
c)
Irregular
d)
Irrational
4.
The Milky Way galaxy is described as a disk of stars orbiting a central point on the disk. Which of these best explains why people on Earth cannot see the entire shape of the Milky Way?
a)
Earth is a part of this galaxy
b)
Many more stars exist outside the galaxy
c)
The stars in the center of the galaxy are extremely small.
d)
The center of the galaxy consists of a dense cluster of stars.
5.
Our galaxy is called the
a)
Earth Nebula
b)
The Hubble Galaxy
c)
The Milky Way
d)
The Snickers
6.
Our sun is located on one of the Spiral Galaxy arms.
a)
True
b)
False
7.
What kind of waves can travel through space?
a)
electromagnetic waves
b)
compressional waves
c)
longitudinal waves
d)
sound waves
8.
The illustration provided shows four locations in or near the Milky Way Galaxy. Which of the labeled locations shows the approximate position of the Sun?
a)
W
b)
X
c)
Y
d)
Z
9.
Which category is our Sun located in?
a)
White Dwarfs
b)
Supergiants
c)
Main Sequence
d)
Giants
10.
A food web diagram is provided. Which of the following represents a predator/prey relationship illustrated by the food web diagram?
a)
The deer obtains energy by eating leaves from trees.
b)
The grass obtains energy from the Sun.
c)
The hawk obtains energy by eating the snake
d)
The rabbit obtains energy by eating the grass.
11.
Which two organisms are in a PREDATOR-PREY relationship?
a)
Grass and Vole
b)
Gray wolf and Elk
c)
Vole and Elk
d)
Gray Wolf and Fruits
12.
a)
A
b)
B
c)
C
d)
D
13.
The marine food web is provided. Which pair of organisms represents a predator/prey relationship?
a)
Tuna & squid
b)
Shrimp & copepods
c)
Diatoms & shrimp
d)
Sunfish & lanternfish
14.
If an organism cannot adapt or migrate when a dramatic change occurs, it may die.
a)
True
b)
False
15.
Insecticides are sprayed over a large area in an effort to reduce the number of grasshoppers that are eating the corn plants. How will this change affect this food chain?
a)
The number of grasshoppers will increase
b)
The number of lizards will increase
c)
The number of lizards and hawks will decrease
d)
The number of grasshoppers, lizards, and hawks will decrease
16.
With which element would Calcium most likely bond?
a)
Nitrogen
b)
Neon
c)
Sulfur
d)
Iodine
17.
Which two groups on the Periodic Table are the MOST reactive?
a)
Group 1 and Group 17
b)
Group 2 and Group 16
c)
Group 13 and Group 15
d)
Group 17 and Group 18
18.
How many valence electrons are elements trying to reach in their outer shells?
a)
1
b)
2
c)
5
d)
8
19.
What determines the reactivity of an element?
a)
Size of its nucleus
b)
Number of total electrons
c)
Number of valence electrons
d)
Number of shells
20.
How do you determine the number of valence electrons an element has?
a)
Look at its period
b)
Look at its group
c)
Look at its atomic number
d)
Look at its atomic mass
21.
a)
A
b)
B
c)
C
d)
D
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