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WorksheetsScience 2nd Qtr
Total questions: 170
Worksheet time: 5hrs 49mins
The graph represents the motion of a traysikad going in a downward slope.
How fast was the traysikad traveling for the first hour?
10 km/h
20 km/h
30 km/h
40 km/h
What is the initial position of the object?
0 km
1 km
10 km
2 km
Palayon or wooden scooter, a four-wheeled cart, sometimes two is a mode of transport in Banaue for palay, sweet potatoes, and firewood. The graph represents the motion of the palayon as it moves to its destination.
What is the length of path covered by the palayon from point C to D?
10 km
40 km
15 km
20 km
Palayon or wooden scooter, a four-wheeled cart, sometimes two is a mode of transport in Banaue for palay, sweet potatoes, and firewood. The graph represents the motion of the palayon as it moves to its destination.
How fast was it moving from points E-F?
60 km/h
30 km/h
40 km/h
50 km/h
Mang Lito is a farmer in Guimba, Nueva Ecija. He uses a kuliglig or hand tractor to plow the rice field before planting rice. It took him 2 minutes and 30 seconds to cover 850 meters before his lunch break. What is the speed of Mang Lito’s kuliglig?
395.34 m/s
369.57 m/s
5.67 m/s
56.7 m/s
Rio ordered a group meal in Jollibee through Food Panda. The motorcycle rider delivering her food is represented in the diagram. The motorcycle moves along the grid through A-F.
Using the diagram above, what is the total distance covered by the Food panda rider?
6 km
6.5 km
5.5 km
7 km
A balsa or carabao carriage transports sugarcane from the plantation to the sugar mill. The balsa’s trip is represented by the red arrow of the diagram below from points A-D. (Note: each side of the box= 0.5 m)
What is the displacement of balsa?
2 m North
8 m South
4 m West
2 m South
You and your barkada visited Siquijor Island from Cebu City. You get to Siquijor via Ro-ro or ferry boat. The distance from Liloan port, Cebu to Siquijor port is 36.5 km. If the ferry boat is traveling at a speed of 23.49 km/h on a stormy morning, how long is your possible travel time?
1 h 55 mins
2 hrs 15 mins
55 mins
2 hrs 30 mins
What is the distance between 7-Eleven and San Agustin church if you can walk it for 5 minutes at an average speed of 2 m/s? (Note: 1 minute=60 seconds)
500 m
600 m
6000 m
60 m
The C-130 Hercules aircraft of the Philippine Air Force can travel at an average speed of 592 kilometers per hour. It is used to deliver relief goods to heavily hit areas by the recent typhoon. If the distance from Virac, Catanduanes to Manila is 223 miles or 359 kilometers, what is the estimated time travel of the aircraft? Assume there are no disturbances during the flight.
less than 15 mins
less than 30 mins
between 30 to 60 minutes
15 mins
Which of the following situations are described in terms of its magnitude alone and no direction?
A vinta traveling at a velocity of 30 mph heading South
Oso, the wandering bear, walks 1,500 meters
NASA’s Juno spacecraft blasts off 365,000 kph
The typhoon is located 25 km East of Casiguran, Aurora.
Which of the following is TRUE about the motion of the four objects?
Object 1 covered 20 meters in 5 seconds
Object 2 covered 20 meters in 10 seconds
Object 3 covered 40 meters in 20 seconds
Object 4 covered 40 meters in 40 seconds
An object traveling in one straight path and goes back to its original position will have a displacement of zero
True
False
Speed is a vector quantity that refers to how far an object moves in a given time interval.
True
False
An object traveling in uniform motion will have an average speed which is equal to any of its speeds at any point in time
True
False
When two objects travel at the same time, the one which has a shorter distance covered to complete the journey has the greater speed.
True
False
An object is in motion when its distance changes with respect to a point of reference
True
False
An object is not changing its velocity, it is accelerating.
True
False
The object moves from 15 m/s to 5 m/s in 5 s. The object decelerates.
True
False
Automatic doors, security cameras, and smoke detectors have motion detectors
True
False
A car is slowing down from 25 m/s to 15 m/s for a period of 5 s. The car is accelerating
True
False
A jeepney moves from rest to 6 m West. It is in motion
True
False
At Ninoy Aquino International Airport (NAIA) Terminal 1, Cathay Pacific aircraft changed position from the entrance terminal building to the airfield runway. Its motion is represented in the diagram below.
What is the total distance covered by the aircraft?
900 m
400 m
500 m
1000 m
At Ninoy Aquino International Airport (NAIA) Terminal 1, Cathay Pacific aircraft changed position from the entrance terminal building to the airfield runway. Its motion is represented in the diagram below.
What is the magnitude of the displacement?
250 m West
400 m South
250 m East
900 m South
The space shuttle in the Enchanted Kingdom is made up of a single train with 7 cars, its length is 935 ft. A group of students decided to ride on the space shuttle, it moves from rest to 22 m/s in 1 minute and 48 seconds. What is the distance covered by the EK ride?
108 m
935 ft
2376 m
2 km
The space shuttle in the Enchanted Kingdom is made up of a single train with 7 cars. Its length is 935 ft. A group of students decided to ride on the space shuttle, it moves from rest to 22 m/s in 1 minute and 48 seconds. What is its acceleration?
0.20 m/s2
20 m/s2
22 m/s2
2 m/s2
Marielle and Darla took a break from school. They decided to try a thrill ride that would leave them screaming their lungs out, called EKstreme Tower. The distance it will take the ride to be dropped from top to bottom is 45.72 meters. From the topmost part of the tower, they were suddenly dropped at 21.11 m/s.
How long did it take them to reach the bottom part of the tower?
3.17 s
21.11 s
2.17 s
2.15 s
Which among the following quantities are vector quantities?
A Philippine cattle running on an average speed of 17 mph
A dugong swimming at 10 km/h heading North in search for food
A tamaraw wandering from rest to 3m/s going east
An eagle soaring up for 350 seconds
TALA, the first high-powered hybrid rocket developed in the Philippines, was successfully lifted at 11:57 AM on the 20th of May. It propelled 5 km in 15 minutes. How fast was it moving in the atmosphere?
15 km/h
25 km/h
30 km/h
20 km/h
TALA, the first high-powered hybrid rocket developed in the Philippines, was successfully lifted at 11:57 AM on the 20th of May. It propelled 5 km in 15 minutes. If it started from rest, what is the magnitude of its acceleration? Use hours in your calculations.
20 km/h2
80 km/h2
30 km/h2
70 km.h2
A jeepney is traveling at a constant speed of 2.5 m/s in a straight path along Annapolis street.
What is its acceleration?
Its decelerating
Its acceleration is constant.
It’s not accelerating.
It not moving
The table below represents the motion of a ship cruising in a straight path in the West Philippine Sea.
The ship is accelerating
The ship is not moving
The ship is in a uniform motion
The ship is decelarating
On a beautiful afternoon, you decided to explore Intramuros and rent a bamboo bike (bambike) so you could tour the area. If your bambike is slowing down from 7 m/s to 3 m/s for a period of 5 s.
What is its acceleration?
-0.8 m/s2
0.8 m/s2
-8 m/s2
8 m/s2
On a beautiful afternoon, you decided to explore Intramuros and rent a bamboo bike (bambike) so you could tour the area. If your bambike is slowing down from 7 m/s to 3 m/s for a period of 5 s. How far did you travel?
30 m
20 m
25 m
15 m
An object is moving with a constant velocity of 20 meters per second. If its acceleration is zero, what can you conclude about the object's motion?
The object is not moving
The object is moving in a curved line.
The object is moving in a straight line.
The object is accelerating in a constant speed
The graph shows the motion of an object. Study the graph below and answer the question that follows.
What is the final velocity of the object?
10 m/s
50 m/s
70 m/s
80 m/s
The dot diagrams below represent the motion of Sofia’s toy cars. Assume that the toy car moves from left to right. What is the characteristic of toy car Y as it moves from left to right?
Not moving
Increasing speed
constant speed
decreasing speed
The dot diagrams below represent the motion of Sofia’s toy cars. Assume that the toy car moves from left to right.
Which among her toy cars move at a constant speed?
X
Y
Z
none of the above
The dot diagrams below represent the motion of Sofia’s toy cars. Assume that the toy car moves from left to right.
What is the characteristic of toy car Z as it moves from left to right?
Increasing Speed
Not moving
Decreasing speed
Constant speed
Easy Rock Manila-96.3 broadcasts at a frequency of 10000 Hz and a wavelength of 0.3 m. Its wave speed is 30000 m/s
True
False
Sunlight is an example of a mechanical wave.
True
False
Sound waves require air particles to be transmitted. The medium is air particles
True
False
Longitudinal waves are characterized by compressions and rarefactions.
True
False
Amplitude determines the loudness of a wave
True
False
Juan decided to play in his backyard. He tied one end of the rope to a guava tree. He started to shake the other end of the rope with his hand. The diagram below represents the two waves created by Juan using a rope. Wave A was made when he moved the rope up and down slowly, and wave B was made when he moved the rope quickly. Which among the following statements is true about the waves?
Wave B has higher frequency and shorter wavelengths. It has greater energy.
Wave A has higher frequency and shorter wavelengths. It has greater energy.
Wave A has higher low frequency and shorter wavelengths. It has lesser energy.
Wave B has higher frequency and longer wavelengths. It has greater energy.
A wave is observed, if the adjacent crests are 3 m apart and there are exactly 8 crests passing a given point in 9.4 s. What is the wavelength of the wave?
3m
75.2 m
21 m
7 m
A wave is observed, if the adjacent crests are 3 m apart and there are exactly 8 crests passing a given point in 9.4 s. What is its wave speed?
2.23 m/s
22.3 m/s
28.2 m/s
2.82m/s
Student A and B created a rope which is made up of ping pong balls. Student A started to move the rope up and down 4. as student B held the other end as shown in the diagram below.
Which is true about the wave above?
T- crest
P- crest; T- trough
T- trough; P- crest
P- crest
A group of preschoolers created a toy boat made up of orange juice cartons. They decided to test their toy boat on a big washbasin. The diagram below shows a water wave moving from left to right across the washbasin.
What direction would the toy boat go if we assumed this water wave was exactly transverse?
It would move down and up perpendicular to the wave’s direction.
It would move up only and perpendicular to the wave’s direction.
It would move up and down perpendicular to the wave’s direction.
It would move in a straight line and perpendicular to the wave’s direction.
. A sound travels across the room. Its particles travel in a west-east direction. Which among the following statements is true about the motion of its particles?
The particles of the sound wave travel in an east-west direction.
The particles of the sound wave travel in a west-east direction.
The particles of the sound wave travel in an east direction.
The particles of the sound wave travel in a west direction.
Study the wave diagram below and answer the question that follows. Which wave has higher energy?
Both Wave A and Wave B
Wave B
Wave A
None
The waves below represent the height of the waves along the shore of Boracay. Which among the waves has greater amplitude? What does this imply?
Wave 1. It has lesser energy carried by the wave.
Wave 2. It has less energy carried by the wave.
Wave 3. It has greater energy carried by the wave.
None of the above
Study the graph below and answer the questions that follow. What is the amplitude of the wave above?
6
10
8
15
Study the diagram of a longitudinal wave produced by a music system and answer the question that follows. Which is true about the diagram above?
A- compressions; B- ; wavelength C- rarefactions
A- wavelength; B- compressions; C- refractions
A- refractions; B- compressions; C- wavelength
A- compressions; B- rarefactions; C- wavelength
Light waves and sound waves are the same because sound waves can travel through a vacuum
True
False
Sound travels the fastest in liquids than solids
True
False
A change in the frequency and pitch of sound due to either the movement of the source or listener is known as echolocation.
True
False
Nena is wearing sunglasses on a sunny afternoon. She wears it to protect her eyes because sunglasses allow all light to pass through them.
True
False
As the distance increases from the light source, light intensity decreases.
True
False
What is a difference between distance and displacement
Distance is measured in seconds and displacement is measured in meters
Distance is always shorter than displacement
Displacement can be equal to zero if the object ends in the place it began in
Distance can be equal to infinite when only a small distance has been travelled
30 m/s
speed
velocity
What is the total distance of the object represented in this motion graph?
5 meters
4 meters
2 meters
0 meters
A dog is at a fire hydrant that will be at 0 m. The dog walks to a location of +5 meters. Then turns around and walks back to a location of -2 meters. The dog does this in 10 seconds. What is the dog's average speed during this trip?
-1.2 m/s
-0.2 m/s
0.2 m/s
1.2 m/s
Two people walk across a parking lot. Their paths are shown in the image. Who traveled with a larger displacement?
Person A
Person B
They both had the same displacement.
Jerry walked from home to school, then from the school to the park. What is his total displacement?
2 km
5 km
8 km
10 km
Jerry walked from home to school, then from the school to the park. What is his total distance?
2 km
5 km
8 km
10 km
Traveling for 15 m/s for a time interval of 20 seconds means you go a distance of how many meters?
(a)
From rest, a boat moves at a constant velocity of 20 m/s for 10 minutes. What is the total displacement in kilometers?
12000 kilometers
From rest, a boat moves at a constant velocity of 20 m/s for 10 minutes. What is the acceleration of the boat?
When velocity is constant, acceleration is zero
TRUE
FALSE
An airplane flies at a speed of 250 km/h to reach Boracay. If the distance is 437.1 km, how long will it reach Boracay?
1.75 hours
If a train travels at a speed of 60 m/s for 5 minutes, what is the distance it covers?
18000 meters
1800 meters
Joanna walks 15 meters east, then 25 meters west, and finally 10 meters east for 23 minutes. Determine Joanna’s total distance traveled
Joanna walks 15 meters east, then 25 meters west, and finally 10 meters east for 23 minutes. Determine Joanna’s displacement
25 meters east
Rio ordered a group meal in Jollibee through Food Panda. The
motorcycle rider delivering her food is represented in the diagram
below. The motorcycle moves along the grid through A-F. What is the
total distance covered by the Food Panda rider?
(a)
During Traffic, it takes 2h to travel 10km. What is the average speed in km/h in this trip?
(a)
Sound travels as at speed of 330 m/s. You hear a fire cracker 5 mins after it explodes. How far is the explosion from where you are.
(a)
The world's fastest passenger elevator operates at a speed of 17m/s. If the 50th floor is 220 m above the ground floor, how long does it take the elevator to travel from ground floor to the 50th floor?12.94 s
(a)
Polar bears are extremely good swimmers and can travel as long as 10 hrs without resting. If a polar bear is swimming at an average speed of 2.6 m/s, how far will it have traveled after 10 hrs?
(a)
A baseball is pitched at a speed of 35 m/s. how long does it take for the ball to travel 18.4 km from the pitcher's mound to home plate?0.526 s
(a)
Florence Griffith-Joyner set the women's world record for running the 200 m race in 1998. At the 1988 Summer Olympics in Seoul Korea, she completed the distance in 21.34 s. What was her aver speed?
(a)
What is the car's acceleration if its speed changes from 0 m/s to 50 m/s in 5 secs?
(a)
A car starts from an initial velocity of 20 m/s and accelerates at 2.5 m/s2? how long will it take to reach a speed of 40 m/s?
How far does the car travel during that time?
(a)
The distance between two troughs in a wave is:
frequency
wavelength
equilibrium
period
A substance (like solid, liquid or gas) that the energy of a wave can travel through
amplitude
compression
medium
frequency
The highest point on a wave.
frequency
compression
trough
crest
You and your friends traveled 60 km to Tagaytay. If the travel time was 1.5 hrs, what was the average speed of your vehicle during the trip?
(a)
There are 2 types of waves: mechanical and electromagnetic wave
TRUE
FALSE
these are disturbances that carry energy through matter or space
radiation
light
noise
_ is a back & forth or up & down movement of an object
(a)
waves that needs a medium for transmission is called
mechanical waves
waves that can travel without a medium is called
mechanical waves
Sound is a sample of transverse wave
TRUE
FALSE
In transverse waves, the particles of a medium move __ to the direction of the motion of waves
In longitudinal waves, the particles of the medium vibrate ___ to the direction of the motion of the waves
what does a wave transmit?
energy
matter
mass
people
which of the following indicates the amount of energy a wave carries?
vibration
amplitude
frequency
velocity
what term refers to the number of waves passing a given point for a given time?
wave speed
which waves require a medium through which they travel?
A) mechanical waves
B) longitudinal waves
C) both a and b
D) none of these
Sound can be transmitted without a medium
TRUE
FALSE
Light cannot travel through an empty space or vacuum like sound
TRUE
FALSE
If there is a tsunami, ocean waves may reach 20m high. What does this height represent?
frequency
wavelength
wave speed
amplitude
what is the lowest point of a transverse wave?
(a)
in a given medium, what happens when the frequency increases?
wavelength decreases
speed decreases
speed changes
wavelength increases
transverse waves: crest as to longitudinal waves:___
the parts of the spring where the coils are closed together are called
compressions
rarefactions
In visible light, wavelength changes its colors
TRUE
FALSE
the distance between two successive identical parts of wave
(a)
waves with long wavelengths have _ frequencies, and waves with short wavelengths have _ frequencies
low, low
low, high
high, high
high, low
if the frequency of the wave is 25 Hz with a speed of 300 m/s, what is its wavelength?
(a)
Electromagnetic radiation at different wavelengths and frequencies is shown in
How far has the car traveled after 10 mins?
50 m
100 m
150 m
0 m
What is the velocity of the car during the first 10 mins?
10 m/min
15 m/min
20 m/min
25 m/min
What is the distance traveled by the car from 40-55 minutes?
50 m
100 m
150 m
200 m
How many times did the car stop moving with in the 50 minutes of its travel?
once
twice
thrice
none
what is the acceleration of a freely falling object?
What will happen to a falling object if the air resistance acting on it becomes equal to the weight of the object?
What happens when a driver steps on the breaks of a car?
On a distance-time graph, what does a horizontal line mean?
How can braking distance be decreased?
By reducing speed before applying the breaks
What is produced when an object vibrates rapidly in a medium like air?
Hearing starts when the sound waves enter the
middle ear
ear drum
ear canal
outer ear
What refers to the number of waves that pass a given point in a certain period of time?
Infrasonic waves have frequencies of what?
What are the frequencies that are above 20,000 Hz?
The sound waves move through the ear canal and strike a stretched membrane called?
What is the highness or lowness of sound?
A change in the frequency and pitch of sound due to either the movement of the source or listener is known as?
Doppler Effect is named after who?
It is the use of reflected sound waves to determine distances or to locate objects is called what?
It is the human perception when the sound intensify?
How do you measure loudness in units?
What occurs when one object causes a nearby object to vibrate at the same frequency?
It is created using specific frequencies and sound quality and by following a regular pattern.
What is the opposite of music that has no definite pitch and pattern?
What produced sounds when their strings vibrate by rubbing them with a bow or by strumming or plucking them?
This includes brass instruments like trumphets and woodwind instruments like flutes
This includes drums, cymbals and xylophones. This instruments vibrate when struck.
where do sounds travel best?
what quality of sound makes an organ different from a piano?
What will happen to a sound wave if its wavelength is increased?
if the amplitude of a sound wave is increased, what would happen to the sound made by the wave?
which refers to the substance through which sound waves travel?
what happens to the speed of sound in air as the air's temperature increase?
loudness depends on the amplitude of a sound wave. which unit used to measure the loudness of sound?
it is formed when you block the path of light.
matter that reflects or absorbs but does not transmit light?
what is the speed of light?
what are produced by the vibration of electric and magnetic fields?
Light waves
high-energy radio waves are called?
microwaves
These are electromagnetic waves with wavelengths shorter than those of ultraviolet rays.
These are the electromagnetic waves with short wavelengths.
Has longer wavelength than red light, therefore it vibrates at a lower frequency and carries less energy?
Infrared radiation
What do objects do which allows us to see them?
If an object absorbs all the frequencies of light except blue, what color will be perceived by the observer.
If all light waves are reflected of by an object, then what is the color of the object?
If all waves are absorbed by an object, what color will be observed?
What part of the spectrum has the highest energy?
When white light pass through a green filter, what color do we see?
Which refers to the three colors can be mixed to make every other color?
Primary colors
secondary colors
supplementary colors
neutral colors
Which of the following electromagnetic waves has the longest wavelength?
When a shirt absorbs green and red light, what color is the shirt?
Blue
