WorksheetsPost Test Review
Total questions: 40
Worksheet time: 40mins
Name
Class
Date
1.
An element is made of just one type of atom. Which of the following is an element?
a)
Sugar (C6H12O6)
b)
Water (H2O)
c)
Salt (NaCl)
d)
Aluminum (Al)
2.
When observing the periodic table of elements, how are the elements arranged?
a)
Alphabetically
b)
Reactivity
c)
Color
d)
Atomic number
3.
How are isotopes of an element different from one another?
a)
They have more electron shells
b)
they have a different number of protons
c)
They have a different number of neutrons
d)
they have a different number of electrons
4.
How does chemical bonding create the stability for elements?
a)
It gives the element a full valence electron shell
b)
It gives the element more neutrons
c)
It gives the element an empty vaence electron shell
d)
It gives the element more protons
5.
How many atoms are present in the compound C6H12O6?
a)
3
b)
24
c)
6
d)
1
6.
How many hydrogen atoms are present in the compound 3H2SO4?
a)
2
b)
7
c)
6
d)
18
7.
In the chemical equation below, what does the highlighted section represent? CO2 + H2O --> C6H12O6
a)
Reactant
b)
Product
8.
In the chemical equation below, what does the highlighted section represent? CO2 + H2O --> C6H12O6
a)
Reactant
b)
Product
9.
Which of the following chemical equations agrees with the Law of Conservation of Matter?
(Which equation is balanced)
(Which equation is balanced)
a)
2H2 + O2 --> 2H2O2
b)
H2 + O2 --> H2O
c)
C3H8 --> H2O +CO2
d)
CH4 + 2O2 --> 2H2O + CO2
10.
Radio waves, visible light, and x-rays are examples of electromagnetic waves that always differ from each other in...
a)
amplitude
b)
intensity
c)
temperature
d)
wavelength
11.
A sound wave can be transmitted through all of the following except ...
a)
a gas
b)
a liquid
c)
a solid
d)
a vacuum
12.
Heat energy is most closely associated with which of the following?
a)
gravitational potential energy
b)
kinetic energy
K
K
c)
light energy
d)
chemical energy
13.
Why does wearing a light colored shirt on a hot day feel cooler than wearing a dark colored shirt?
a)
white objects absorb all visible light and darks reflect all visible light
b)
both white and dark objects reflect all visible light
c)
white objects reflect all visible light, and dark objects absorb visible light
d)
both white and dark objects reflect all visible light.
14.
X-Ray waves and infrared waves are both electromagnetic waves. Which of the following describes another property x-ray and infrared waves share?
a)
both waves are longitudinal
b)
both waves have the same frequency
c)
both waves have the same wavelength
d)
both waves travel at the same speed in a vacuum
15.
A car with its horn sounding approaches a group of students. Assume the car's horn produces sound waves with a constant frequency. Which of the following best explains why the students hear a higher pitch as the car approaches them.
a)
the sound waves increase in speed as the car approaches the students.
b)
the sound waves decrease in speed as the car approaches the students
c)
the sound waves are heard at a lower frequency as the car approaches the students
d)
the sound waves are heard at a higher frequency as the car approaches.
16.
A 5 kg rock and a 10 kg rock are dropped from a height of 10 m on Earth. Which of the following statements best describes what happens to the potential energy of the rock.
a)
neither rock loses PE because no work is done on the rock
b)
Both rocks lose PE because they fall from the same height
c)
the 10 kg rock loses more PE than the 5 kg rock because the 10 kg rock falls faster
d)
the 10 kg rock loses more PE than the 5 kg rock because the 10 kg rock has more mass.
17.
Which of the following statements is true according to the Law of Conservation of Energy?
a)
energy cannot be created
b)
energy cannot be destroyed
c)
energy can be converted from one form to another
d)
all of above
18.
Which of the following statements best describes the visible light spectrum of light as seen by human eye?
a)
the lowest frequency appears red, and the highest frequency appears violet
b)
the lowest frequency appears red and the highest frequency appears yellow.
c)
the lowest frequency appears green, and the highest frequency appears violet.
d)
the lowest frequency appears green and the highest frequency appears yellow
19.
A student swings a bat horizontally, making contact with a ball thrown to her. The ball leaves the bat, and the bat continues to move through of the swing. Which of the following statements best describes the change in energy necessary to do work on the ball?
a)
all of KE of the bat is converted to work
b)
all the PE of the bat is converted to work
c)
Some of the KE of the bat is converted to work
d)
Some of the PE of the bat is converted to work
20.
Two waves are traveling, wave A has twice the frequency of wave B, but wave B has twice the amplitude of wave A . Which wave can deliver the greatest amount of energy every second?
a)
wave A can deliver more energy
b)
wave B can deliver more energy
c)
both waves can deliver the same unit of energy
d)
can't be determined.
21.
The sequence of energy changes shown in the diagram best explains which event?
a)
a flashlight is on
b)
a candle burns
c)
gasoline burns to propel a car
d)
electric energy runs a refrigerator
22.
Which of the following is an example of an object with elastic potential energy?
a)
a wind-up toy that has been wound up.
b)
a compressed basketball
c)
a stretched rubber band
d)
all of the above.
23.
According to the image, which process is occurring at the Mid-Atlantic Ridge?
a)
destruction of underwater mountains
b)
creation new continents
c)
subduction of geological plates
d)
spreading of sea floor
24.
The shaded area of the map represents where fossils of a land-dwelling animal were found on the continents of South America and Africa.What does this evidence suggest?
a)
the animals swam from one continent to the other.
b)
the two continents were connected by a large bridge
c)
the animals developed on the two continents at the same time
d)
the two continents were joined as part of a larger continent.
25.
Which provides the best evidence for the theory that earthquakes and volcanoes are results of tectonic plate interaction?
a)
Earthquakes on tectonic plates are always in motion, but volcanoes may not erupt for many years.
b)
earthquakes and volcanoes existed long before there were tectonic plates
c)
Tectonic plates that have many earthquakes do not have volcanoes
d)
Earthquakes and volcanoes are often found at tectonic plate boundaries.
26.
Which of these describes the composition of a nebula?
a)
Large asteroids
b)
cloud of dust and gas
c)
ice crystals
d)
planets and moons
27.
Water stored behind a dam is an example of what type of energy?
a)
Kinetic
Kinetc
Kinetc
b)
Potential
c)
Solar
d)
Chemical
28.
The Earth's mantle is made up of very hot material that rises to the top of the mantle, cools, sinks, reheats, and rises again. This action that which causes the Earth's crust to move is known as ...?
a)
convection currents
b)
magnetic fields
c)
hot spots
d)
advection forces
29.
What determines where the different layers of the Earth are located?
a)
color
b)
density
c)
wavelength
d)
weight
30.
Which of the following represents an ionic bond?
a)
KNe
b)
NaF
c)
H2O
H2O
d)
Cl2O
31.
According to the periodic table, how many valence electrons does Fluorine (F) have?
a)
17
b)
9
c)
7
d)
2
32.
Alkaline Earth Metals in group 2 are more reactive than those elements in group 8. Which statement best describes why?
a)
Group two has less valence electrons than elements in group 8 giving it a more stable valence shell
b)
Group 8 has a full valence electron shell making it stable whereas group 2 needs to give 2 electrons away to become stable
c)
group 8 has more electron shells than group 2 causing it to be stable
d)
group 8 has more protons than group 2 causing group 2 to be more reactive.
33.
Which of the following scenarios could be represented by the energy diagrams shown?
a)
a model rocket being launched into the air
b)
a hot-air balloon floating up into air.
c)
a child jumping down from a wall
d)
a ball being thrown from one person to another.
34.
Which variable in the Kinetic Energy equation has the greatest affect on the overall KE of an object?
a)
mass
b)
velocity
c)
gravity
d)
height
35.
Two men are in space, one in the shuttle, the other floating in space. A piece of debris hits the shuttle. Which statement best describes the results of the impact.
a)
the astronaut in the shuttle cannot hear the sound because there is a barrier between him and the sound, but the one floating can hear the impact.
b)
neither astronaut can hear the impact because they are in space and sound does not travel in space.
c)
They both hear the sound because the impact is close to them.
d)
The one inside the shuttle hears the impact because the shuttle provides a surface for the sound to travel through, but the man outside the shuttle cannot hear it since sound cannot travel through space.
36.
This Earth layer consists of molten iron and nickel...
a)
crust
b)
mantle
c)
outer core
d)
inner core
37.
This Earth layer makes up about 1% of the Earth.
a)
crust
b)
mantle
c)
outer core
d)
inner core
38.
Boundary type that produces mountain ranges...
a)
Convergent - Collision
b)
Convergent - Subduction
c)
Divergent
d)
Transform
39.
Boundary type that produces volcanoes and islands.
a)
Convergent - Collision
b)
Convergent - Subduction
c)
Divergent
d)
Transform
40.
Are you excited for Summer Break?
a)
YES!!!! :)
b)
no :(
100 %
