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WorksheetsPhysical and Chemical Changes Quiz
Total questions: 95
Worksheet time: 48mins
An experiment was done where a crystal substance was added to a beaker of liquid that was room temperature. The following observations were made during the experiment. 1. The crystals dissolved 2. A precipitate formed 3. The bottom of the beaker felt warm to the touch 4. Bubbles formed in the water. All of the observations are evidence that a chemical change occurred EXCEPT—
observation I.
observation II.
observation III.
observation IV.
Physical changes affect the—
color of an object.
chemical structure of an object.
Flammability of an object
observable properties of an object.
Which of the following is an example of a chemical change?
Mixing two substances and seeing bubbles
Dissolving powder into water
Coloring on paper to produce a color change
Cutting wood to change the shape
Which of the following is a sign that a chemical reaction (or change) has occurred?
change in shape
melting
formation of a gas
dissolving
A chemical change is different than a physical change because in a chemical change
Chemicals are used
Molecules do not physically touch
A new substance is formed and in a physical change no new substance is formed
The change can be seen but in a physical change it cannot
What is a precipitate, and what does its formation show?
A solid substance formed when two clear solutions are mixed, indicating a chemical change
A gas formed during a physical change, indicating a change in state
A liquid formed during a chemical change, indicating a change in temperature
Bubbles of carbon dioxide gas form, indicating a chemical reaction
For the remaining questions, determine if the example is either a physical or chemical change. Write "P" in the blank for a physical change and a "C" for a chemical change. 7. ______ = Melting Butter
P
C
B
M
For the remaining questions, determine if the example is either a physical or chemical change. Write "P" in the blank for a physical change and a "C" for a chemical change. 8. ______ = Burning a marshmallow
C
P
M
B
For the remaining questions, determine if the example is either a physical or chemical change. Write "P" in the blank for a physical change and a "C" for a chemical change. 9. ______ = Dissolving sugar in tea
P
C
B
D
For the remaining questions, determine if the example is either a physical or chemical change. Write "P" in the blank for a physical change and a "C" for a chemical change. 10. ______ = Melting chocolate
P
C
B
D
For the remaining questions, determine if the example is either a physical or chemical change. Write "P" in the blank for a physical change and a "C" for a chemical change. 11. ______ = Fireworks exploding
C
P
B
A
For the remaining questions, determine if the example is either a physical or chemical change. Write "P" in the blank for a physical change and a "C" for a chemical change. 12. ______ = Baking a cake
C
P
N
B
For the remaining questions, determine if the example is either a physical or chemical change. Write "P" in the blank for a physical change and a "C" for a chemical change. 13. ______ = Cutting celery
P
C
B
D
For the remaining questions, determine if the example is either a physical or chemical change. Write "P" in the blank for a physical change and a "C" for a chemical change. 14. ______ = Cracking an egg
P
C
B
D
For the remaining questions, determine if the example is either a physical or chemical change. Write "P" in the blank for a physical change and a "C" for a chemical change. 15. ______ = An Apple rotting
C
P
B
A
For the remaining questions, determine if the example is either a physical or chemical change. Write "P" in the blank for a physical change and a "C" for a chemical change. 16. ______ = Milk souring and forming clumps
C
P
B
A
For the remaining questions, determine if the example is either a physical or chemical change. Write "P" in the blank for a physical change and a "C" for a chemical change. 17. ______ = Iron nail forming rust
C
P
N
S
For the remaining questions, determine if the example is either a physical or chemical change. Write "P" in the blank for a physical change and a "C" for a chemical change. 18. ______ = Statue of Liberty turning green
C
P
B
A
For the remaining questions, determine if the example is either a physical or chemical change. Write "P" in the blank for a physical change and a "C" for a chemical change. 19. ______ = Boiling Water
P
C
B
D
For the remaining questions, determine if the example is either a physical or chemical change. Write "P" in the blank for a physical change and a "C" for a chemical change. 20. ______ = Folding paper into a paper airplane
P
C
B
D
Which of the following is an element?
CO
HCl
Hg
NaOH
How many atoms total are there in a single molecule of NH3?
1
2
3
4
Which of the following is a compound?
Hg
H2
Cl2
HgCl2
Which of the following can only be classified as a molecule?
H2SO4
NaCl
O2
CO2
What is the chemical symbol for Gold?
Au
Ag
Al
Fe
What does the subscript in a chemical formula represent?
The number of atoms of each element in the compound.
The number of molecules of the compound.
The charge of the compound.
The number of different types of atoms in the compound.
Which of the following are a compound?
O2
HCl
N2
Hg
A car travels at a speed of 50 km/h for 4 hours. How far does it travel?
200 kilometers
100 kilometers
250 kilometers
150 kilometers
If a train travels 300 kilometers in 5 hours, what is its speed?
60 km/h
50 km/h
75 km/h
80 km/h
A cyclist travels at a speed of 15 km/h and travels 30 kilometers. How long does the journey take?
2 hours
1 hour
3 hours
2.5 hours
If a boat travels at a speed of 25 km/h for 6 hours, how far does it travel?
150 kilometers
100 kilometers
200 kilometers
75 kilometers
A runner covers a distance of 8 kilometers in 2 hours. What is their speed?
4 km/h
2 km/h
8 km/h
16 km/h
If a car travels at a speed of 60 km/h and travels 120 kilometers, how long does the journey take?
(a)
A train travels at a speed of 80 km/h for 4 hours. How far does it travel?
320 km
200 km
400 km
160 km
A cyclist travels at a speed of 12 km/h for 3 hours. How far does the cyclist travel?
36 km
24 km
15 km
48 km
If a boat travels 150 kilometers in 3 hours, what is its speed?
50 km/h
30 km/h
60 km/h
45 km/h
A car travels at a speed of 55 km/h for 2 hours. How far does it travel?
110 km
100 km
120 km
90 km
If a runner covers 10 kilometers in 2 hours, what is their speed?
5 km/h
2 km/h
10 km/h
20 km/h
A boat travels at a speed of 30 km/h and travels 90 kilometers. How long does the journey take?
3 hours
2 hours
4 hours
6 hours
A car travels at a speed of 50 km/h for 4 hours. How far does it travel?
100 km
150 km
200 km
250 km
If a train travels 300 kilometers in 5 hours, what is its speed?
50 km/h
60 km/h
70 km/h
80 km/h
A cyclist travels at a speed of 15 km/h and travels 30 kilometers. How long does the journey take?
1 hour
2 hours
3 hours
4 hours
If a boat travels at a speed of 25 km/h for 6 hours, how far does it travel?
125 km
175 km
200 km
150 km
A runner covers a distance of 8 kilometers in 2 hours. What is their speed?
2 km/h
4 km/h
6 km/h
8 km/h
If a car travels at a speed of 60 km/h and travels 120 kilometers, how long does the journey take?
2 hours
1 hour
3 hours
4 hours
A train travels at a speed of 80 km/h for 4 hours. How far does it travel?
320 km
240 km
400 km
480 km
A cyclist travels at a speed of 12 km/h for 3 hours. How far does the cyclist travel?
24 km
36 km
48 km
60 km
If a boat travels 150 kilometers in 3 hours, what is its speed?
40 km/h
60 km/h
70 km/h
50 km/h
A car travels at a speed of 55 km/h for 2 hours. How far does it travel?
90 km
100 km
110 km
120 km
If a runner covers 10 kilometers in 2 hours, what is their speed?
3 km/h
4 km/h
5 km/h
6 km/h
A boat travels at a speed of 30 km/h and travels 90 kilometers. How long does the journey take?
3 hours
2 hours
4 hours
5 hours
Which of the following best defines speed?
The total distance traveled divided by the time it took to travel that distance.
The shortest distance between the starting and ending points.
The direction of motion
The rate at which velocity changes.
What is velocity?
The total distance traveled divided by the time it took to travel that distance.
Speed in a specific direction.
The total distance divided by the total time, regardless of direction.
The change in speed over time.
A car travels 60 kilometers north in 2 hours. What is its velocity?
30 kilometers per hour
30 kilometers per hour north
60 kilometers per hour
60 kilometers per hour north
If a runner moves around a circular track and ends up at the starting point, what is her displacement?
The total distance she ran
Twice the diameter of the track
Zero
The circumference of the track
What is the difference between distance and displacement?
Distance includes direction, displacement does not.
Displacement includes direction, distance does not.
Distance is a vector quantity, displacement is a scalar quantity.
Distance is always greater than or equal to displacement.
A train moves at a constant speed of 80 km/h for 3 hours. What is its total distance traveled?
80 kilometers
160 kilometers
240 kilometers
320 kilometers
Which statement correctly describes a scenario where an object's speed changes but its velocity does not?
The object changes direction but maintains a constant speed.
The object changes speed but moves in the same direction.
The object stops moving.
The object's speed and direction both remain constant.
If a car travels 200 kilometers south in 4 hours, what is its velocity?
50 kilometers per hour
50 kilometers per hour south
200 kilometers per hour
200 kilometers per hour south
Which of the following quantities do you need to calculate speed?
Displacement and direction
Distance and time
Velocity and direction
Acceleration and time
A sprinter runs 100 meters east in 10 seconds. What is her velocity?
10 meters per second
10 meters per second east
100 meters per second
100 meters per second east
What does displacement measure?
The total ground covered by an object
The length of the path taken by an object
The shortest path between the initial and final positions
The rate of change of distance over time
In which scenario is the distance traveled equal to the displacement?
Running around a circular track
Driving from home to the store and back
Walking straight down the street without turning back
Hiking up a mountain and returning to the start
If an object moves with a constant speed of 10 meters per second for 5 seconds, what is the total distance traveled?
10 meters
15 meters
20 meters
50 meters
A boat travels 30 kilometers upstream and then 30 kilometers downstream. What is the boat's total displacement?
0 kilometers
30 kilometers
60 kilometers
90 kilometers
A person walks 3 kilometers north and then 4 kilometers back south. What is their total displacement?
7 kilometers
1 kilometer
4 kilometers
0 kilometers
You look up at the night sky and see a bright streak of light. What two possibilities could it be?
Comet or dwarf planet
Meteorite or asteroid
Moon or meteoroid
Comet or meteor
Which of the following show the planets in order from smallest to largest diameter?
Mercury, Earth, Neptune, Jupiter
Venus, Mars, Earth, Neptune
Earth, Jupiter, Venus, Mars
Mercury, Uranus, Earth, Mars
What TWO gases commonly make up the gas giants?
Iron
Nitrogen
Helium
Hydrogen
Oxygen
What best describes objects orbiting in the Kuiper belt?
Hot
Icy
Metallic
Dusty
Scientists track an icy object with an orbit that ranges from the Kuiper Belt to a path between Earth and the Sun. How would this object BEST be classified?
an asteroid
a comet
a meteor
a star
When studying planetary data, Jaidon found some similarities and differences among the planets that make up the solar system. Which is true about the orbits of the major planets in the solar system?
Planetary orbits have the same plane.
Planetary orbits are mostly elliptical in shape.
Planets orbit at the same speed around the Sun.
Planets orbit in different directions around the Sun.
Several planets, including Earth, are terrestrial planets. These planets lack rings and are similar to Earth in size. Based on these characteristics, which planet is also a terrestrial planet?
Venus
Neptune
Uranus
Jupiter
The Asteroids, which are large objects in space, are primarily made of .
ice and dust
Which BEST describes the orbit of the Moon around Earth?
circular with a period of about one month
circular with a period of about one week
elliptical with a period of about one month
elliptical with a period of about one week
The Kuiper belt and Oort cloud both surround our solar system. Which of the following is true of the Kuiper belt and Oort cloud?
The Kuiper belt is a sphere inside the spherical Oort cloud.
The Kuiper belt and Oort cloud are donut shaped but travel in different planes.
The Kuiper belt is donut shaped, and the Oort cloud is a sphere.
The Kuiper belt is a sphere, and the Oort cloud is donut shaped.
What are the two main physical characteristics that are used to classify planets?
Upper/lower planet, gaseous/liquid planet
Upper/lower planet, terrestrial/gaseous planet
Inner/outer planet, terrestrial/gaseous planet
Inner/outer planet, gaseous/liquid planet
Which of the following diagrams is the most accurate representation of the locations and movements of Earth, the Sun, and the Moon?
A. [Diagram A]
B. [Diagram B]
C. [Diagram C]
D. [Diagram D]
Features found at divergent plate boundaries include ____.
mid-ocean ridges
crumpled mountains
Hot Spot Volcanoes
island arc volcanoes
Crust is neither created nor destroyed along which of the following boundaries?
Convergent
Divergent
Magnetic
Transform
What landform would be expected to form with the image shown?
Earthquake
Hot spot
Mountains
Rift Valley
Why is the Earth not getting larger if sea-floor spreading is adding new crust to the surface?
Volcanoes destroy crust
Old crust is destroyed at the same rate as new crust forms
Earthquakes create new crust
The increase to Earth's size is not noticeable because not very much crust is added at mid ocean ridges.
A geologist observes frequent earthquakes and volcanic eruptions in a region. Which of the following plate boundary types is most likely present in this area?
Divergent boundary
Convergent boundary
Transform boundary
Passive margin
What is the area along the edge of the Pacific Ocean where a large number of earthquakes and volcanic eruptions occur?
Mid Ocean Ridge
The Ring of Fire
Subduction Zone
Hot Spot
How does the age of the seafloor change as you move away from a mid-ocean ridge?
It gets younger
It gets older
It remains the same
It varies randomly
The image to the right shows a mid-ocean ridge. Which of the following best describes how this feature forms?
Magma rises from the mantle as plates move apart, creating new oceanic crust.
Two continental plates collide, forcing rock upward.
A hotspot in the mantle melts the overlying crust, forming volcanic islands.
One plate slides beneath another, causing uplift and mountain building.
Convergent boundaries involving the collision of two oceanic plates typically result in the formation of..
Mid-ocean ridges
Mountain ranges like the Himalayas
Rift valleys
Deep-sea trenches and volcanic island arcs
What is the name of the Earth's layer where tectonic plates move over?
Asthenosphere
Lithosphere
Mesosphere
Outer core
Hotspot volcanoes, like those that formed the Hawaiian Islands, are unique because:
They are located at the boundaries of tectonic plates.
They are formed by the collision of two oceanic plates.
They are not found along a plate boundary
They are associated with transform boundaries.
What is the process called when one tectonic plate moves beneath another?
Seafloor spreading
Rifting
Subduction
Faulting
Which type of plate boundary is shown in the image below?
Convergent boundary
Transform boundary
Divergent boundary
Subduction zone
Without the influence of gravity from the Sun and surrounding planets, how would Earth move through space?
up and down
side to side
in a circle
in a straight line
Scientists have discovered a new planet and are interested in determining how great its gravitational pull is on surrounding planets. What factors do they need to consider?
velocity and mass
mass and distance
mass and volume
density and distance
If the Moon were to double in mass, how would this impact the gravity a human would feel while standing on the Moon's surface?
The human would experience a higher gravitational force, causing them to float less.
The human would experience a lower gravitational force, causing them to float more.
The human would experience a higher gravitational force, causing them to float more.
The human would experience a lower gravitational force, causing them to float less.
The planets revolve around the Sun in their specific orbits. Which keeps the planets moving in orbit around the Sun?
composition of the planets
gravitational force
ultra magnetism
planetary axes
