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WorksheetsBundle 1- Topic 5
Total questions: 36
Worksheet time: 21mins
Name
Class
Date
1.
The light emitted from a star is studied by astronomers to determine which of the following properties?
a)
chemical composition
b)
temperature
c)
star classification
d)
all of these
2.
The distance that light travels in one year...
a)
Light year
b)
Quantumyear
c)
Stellar-year
d)
1 million kilometers
3.
Lightyear is used by scientist to measure what?
a)
Distance
b)
Time
c)
Energy
4.
In the diagram given, what happens as we move to the left?
a)
Stars Get Larger
b)
Stars get Colder
c)
Stars get hotter
5.
Which of these stars is hottest?
a)
Red Star
b)
Yellow Star
c)
Orange Star
d)
Blue Star
6.
Which star is the coldest?
a)
Yellow Star
b)
Red Star
c)
Orange Star
d)
Blue Star
7.
Compared to the rest of the stars, our sun is considered...
a)
Extremely Large and Cold
b)
Small with a medium temperature
c)
Medium size with medium temperature
8.
Why does the sun appear to be so big and bright to us on Earth?
a)
It is the biggest and brightest star.
b)
It is closer to Earth.
9.
Which of these correctly compares the masses of different objects in the universe?
a)
A moon has less mass than a star and more mass than the planet it orbits.
b)
A planet has less mass than a galaxy and more mass than the star it orbits.
c)
A galaxy has less mass than a moon and more mass than a planet.
d)
A star has less mass than a galaxy and more mass than a planet.
10.
Which of the following best explains why light-years are used by astronomers to measure the diameter of the galaxies?
a)
Distances in space take many years to measure when larger than a galaxy.
b)
Other measurements are too small to accurately and easily measure distance in space.
c)
Tools used to measure distance on Earth cannot be used in space.
d)
Astronomers use telescopes which can only measure light.
11.
What is the mass number of a chlorine atom with 18 neutrons?
Note: Chlorine has 17 protons (and 17 electrons)
Note: Chlorine has 17 protons (and 17 electrons)
a)
18
b)
19
c)
35
d)
52
12.
How do you calculate the mass of an atom?
a)
Protons + Neutrons
b)
Protons + Electrons
c)
Protons - Neutrons
d)
The Number of Protons
13.
What would a gas be classified as?
a)
Metal (left side)
b)
Non-Metal (right side)
c)
Metalloid (stair step in-between)
14.
Which category is our Sun located in?
a)
White Dwarfs
b)
Supergiants
c)
Main Sequence
d)
Giants
15.
Which of the following is typically a good conductor of heat?
a)
Metal
b)
Nonmetal
c)
Metalloid
16.
Which elements are found on the left to middle of The Periodic Table?
a)
Metals
b)
Nonmetals
c)
Metalloids
d)
Candles
17.
Silicon is a semiconductor and has properties of both metals and nonmetals. What type of element is Silicon?
a)
Metal
b)
Nonmetal
c)
Metalloid
d)
Pretty
18.
Which elements are found on the right side of The Periodic Table?
a)
Metals
b)
Nonmetals
c)
Metalloids
d)
Water
19.
What element is represented by the diagram above?
a)
Fluorine
b)
Helium
c)
Beryllium
d)
Oxygen
20.
All of the following would classify an element as a metal except?
a)
Dull
b)
Luster
c)
Malleable
d)
Hard
21.
Which of the following represents an element?
a)
H2O
b)
H2
c)
NaCl
d)
CaCO3
22.
Which of the following is not a compound?
a)
HCl
b)
Cl
c)
NaCl
d)
CO2
23.
Where are we located in our galaxy?
a)
in the center
b)
outer arm (toward the outside)
24.
How many elements are represented in the compound?
Na2CO3
Na2CO3
a)
1
b)
2
c)
3
d)
4
25.
Elements that react in similar ways are probably located in the same...
a)
Period (row)
b)
Group (column)
26.
Periods are...
a)
rows
b)
columns
27.
Groups are
a)
Rows
b)
Columns
28.
Which of these best describes one of the subatomic particles that could be found in an atoms nucleus?
a)
It has mass and a positive charge
b)
It has a large mass and negative charge.
c)
It has no mass but no charge.
d)
It has no mass and an equal number of positive and negative charges.
29.
Protons Identify an element
a)
True
b)
False
30.
observations were that the element was shiny, magnetic, and was easily molded or malleable. What type of element was Sarah investigating?
a)
Metal
b)
Nonmetal
c)
Metalloid
31.
Which of the following best describes a neutron?
a)
Positive subatomic particle that moves around the nucleus.
b)
Negative subatomic particle that moves around the nucleus.
c)
Neutral subatomic particle located within the nucleus.
d)
Negative subatomic particles located within the nucleus.
32.
Which characteristic of an atom determines its identity?
a)
the number of protons
b)
the number of neutrons
c)
the mass of the electrons
d)
the charge of the atom
33.
Which stars have a temperature of between 7,500 K and 20,000 K and a luminosity of 100 times less than the Sun?
a)
White Dwarfs
b)
Super Giant
c)
Main Sequence
d)
Giants
34.
Based on the Periodic Table which element has similar physical properties as Helium (He)?
a)
Neon
b)
Calcium
c)
Sulfur
d)
Aluminum
35.
Based on the Periodic Table show above, which elements are in the same period?
a)
S and T
b)
Q and T
36.
Which of the following describes a star?
a)
A sphere of dust and gases that contain many elements and produces light from fusion and fission reactions
b)
A collection of gases from several nebulae hot enough to cause a nuclear reaction
c)
A sphere of matter with a density and a temperature great enough to cause a nuclear reaction at its center
d)
A collection of hot gases that forms a sphere but produces no light
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