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Worksheets5Science 3rd QA
Total questions: 150
Worksheet time: 50mins
Which of these should be avoided for safety reasons?
Jogging
Dancing
Running across a busy road
Taking medicines prescribe by the doctor
In the case of a deep cut,there is a danger of getting the disease
Tetanus
Typhoid
Flu
Malaria
The bandage used to cut off blood flow in case of several bleeding is called a
Tourniquet
Stirnger
Sprains
A ................... is a device used to put out fires
Fire extinguisher
Speak
Sprained
In the case of a deep cut,there is a danger of getting the disease
Tetanus
Typhoid
Flu
Malaria
When do blisters occur ?
When there is a cut
When there is an animals bite
When there is a fracture
When there is a burn
The bandage used to cut off blood flow in case of several bleeding is called a
Tourniquet
Stirnger
Sprains
First aid can only be given by a doctor
True
False
A blending nose should be washed with hot water
False
True
Breaking of a bone
Cold water
Fracture
Acid
Rabies
Splint
rocks breaks into smaller pieces due to
Rain
Wind
Both of this
The protection of soil against erosion is called ____.
Soil pollution
Soil conservation
Weathering
The process of water or wind carrying away top loose soil is called ____________
Flowing away
Blowing away
Erosion
Soil conservation done on hill slopes _____________
Ploughing
Step Farming
All of the above
Human activities that increase soil erosion include
Mining
Overgrazing by cattle
Both of this
It contain very little humus
Topsoil
Bedrock
Subsoil
When soil is washed or worn away this is called soil erosion.
True
False
Soil erosion is caused by
Deforestation
Animals overgrazing
All of the above
Which method can best prevent soil erosion of this slope?
Planting different crops
Planting trees
Animals grazing
This method of soil conservation involves ________________.
Step farming
Crop rotation
Wind breaks
A substance that has a pH level of less than 7
Acid
Base
Neutral
CO2
EXAMPLE OF INTRUSIVE IGNEOUS ROCK.
(a)
Two types of igneous rocks are:
Interior and exterior
Intrusive and extrusive
Inside and outside
Enter and exit
Lava is found...
after a volcano erupts.
on the inside of a volcano.
both inside and outside a volcano.
Fossils are a form of:
mineral
igneous rock
sedimentary rock
Which rock is it? (ROCK NAME)
(a)
Deep in side the Earth there are large pockets of (a) called lava.
Slate is an (a) rock.(WRITE WHICH TYPE OF ROCK IS IT.
GUESS ME-I HAVE ALTERNATIVE LIGHT &DARK BANDS.
ANS-ITS MARBLE
ANS-ITS CONGLOMERATE
ANS-ITS GNEISS
ANS-ITS SHALE
GUESS ME-I am very old thing,
i love or contain metals.
METAL CONTANING MINERALS
MINERAL METALLIC
METALLIC MINERALS
SANDSTOE
GUESS ME BY WATCHING ME
PETROLEUM JELLY
LUBRICANT OIL
JELLY!
WILL/DID/ARE YOU ENJOYED/ENJOYING/ENJOY THE QUIZ
(a)
Which best describes the type of weather associated with low air pressure?
clear and dry
cloudy with precipitation
sunny with high winds
sunny, cool, and clear
Which most likely produces clear, cool weather?
zero air pressure
a low pressure system
a high pressure system
stable air pressure
Which is most associated with a thunderstorm?
high air pressure
winds blowing from the east
winds blowing from the west
low air pressure
How would weather conditions in an area change if a high pressure system replaced a low pressure system?
The area would become cooler with less humidity.
The area would become more stormy and rainy.
The area would become more stormy and windy with hail.
The area would become warmer with strong winds.
What type of weather is usually found in low pressure areas?
hot and dry
wet and stormy
cold and snowy
sunny and humid
When a low pressure system moves into North Carolina, which kind of weather will most likely occur?
cold and dry
fair and sunny
rainy and windy
clear and humid
A strong low-pressure weather system forms off the coast and moves toward a land area. Which weather conditions will likely result from the low-pressure system?
clear, sunny skies and calm winds
mostly sunny skies with little to no precipitation
partly cloudy skies with little precipitation and light winds
mostly cloudy skies with moderate to heavy precipitation and strong winds
Which is the best indicator that precipitation is on the way?
low pressure
low humidity
low temperature
low wind speed
Aliyah observes the air pressure daily. Over the last couple of days the air pressure has been increasing. What weather will Aliyah most likely observe as a result?
increasingly clear skies and more wind
increasingly clear skies and dry weather
increasingly cloudy skies and dry weather
increasingly cloudy skies and humid weather
Which type of air pressure do clear skies indicate?
low pressure
medium pressure
zero pressure
high pressure
Michael observes the air pressure daily. Over the last couple of days the air pressure has been dropping. What weather will Michael most likely observe as a result?
increasingly cloudy skies and possible storms
increasingly clear skies and more wind
increasingly clear skies and dry weather
increasingly clear skies and lots of humidity
Which will most likely result from a low-pressure weather system?
freezing temperatures
clear conditions
cloudy conditions
cool temperatures
Which correctly compares low- and high-pressure weather systems?
A low-pressure system usually brings cool dry air and clear skies, while a high-pressure system brings clouds and precipitation.
A low-pressure system usually brings light breezes and chilly temperatures, while a high-pressure system brings misty rain and fog.
A low-pressure system usually brings clouds and precipitation, while a high-pressure system brings cool dry air and clear skies.
A low-pressure system usually brings warm dry air and clear skies, while a high-pressure system usually brings warm moist air and precipitation.
On a cold, cloudy day, the local weather forecaster predicts that a highpressure system will be moving into the area in the next 24 hours. Which weather conditions will this system most likely bring to the area?
sunny
stormy
rainy
hot
Which of the following best describes a barometer?
a tool that measures air pressure
a tool that measures wind speed
a tool that measures wind direction
a tool that measures precipitation.
Which of the following best defines the term "air pressure?"
the amount of heat energy in the air
the speed the wind is blowing
how dense/squished molecules of air are
the amount of water vapor in the air
Which property of Air shown in the image?
Air exerts pressure
Air is needed for burning
Air has weight
Air has mass
The amount of (a) present in the air at a particular time is called humidity.
Guess the concept shown in the image.
land breeze
sand breeze
sea breeze
Which gases are a part of other gases?
carbon dioxide
nitrogen
argon
nitrogen dioxide
A storm that occurs with thunder and lightning is called a ______________
Thuderstorm
Storm
Breeze
Hurricane
What happens when air becomes light?
It settles down
It remains where it is
It starts rising
it moves in any direction
What happens during sea breeze?
The cooler air that moves from the sea towards the land during night time
The warmer air that moves from the sea towards the land during daytime
The cooler air that moves from the sea towards the land during daytime
The cooler air that moves from the land towards the sea during daytime
Which amongst the following is not a property of Air?
Air has mass
Air has volume
Air can be heated or cooled
Air is oxygen
Mark the things used to remove foul air/hot air out of the closed room.
Terrace
Ventilators
Exhaust fans
Doors
Which property of Air is observed when air is filled in tyres?
Air is needed for burning
Air exerts pressure
Air has mass
Air occupies space
What is wind?
Moving air
stopped air
hot moving air
Look at the picture and guess which propert of Air is shown?
Air has mass
Air occupies space
Air can be heated and cooled
When does land breeze occur?
Night time
Day time
How much percentage of Nitrogen is present in the Air
32%
78%
71%
21%
A gentle wind is called __________
Storm
Cyclone
Breeze
rain
What two instruments can be used to measure the volume of an object?
graduated cylinder and a spring scale
pan balance and a thermometer
ruler and a thermometer
ruler and a graduated cylinder
Jorge put the south side of one magnet near the south side of another magnet. What happened next? o
The magnets were attracted to each other.
The magnets pushed away from each other.
Yeimel is describing the physical properties of his new gaming chair. Which two physical properties can he determine without using any measuring instruments?
taste and odor
volume and temperatue
texture and color
shape and mass
Angelik has three basketballs that all have the same mass. She knows that one basketball has a mass of 5 grams. To find out the mass of all of her basketballs, she adds them together:
5+5+5= 15 grams
Why is this correct?
The mass of the group is always EQUAL to the sum of each object or part.
The mass of the group is always LESS than the sum of each object or part.
The mass of the group is always MORE than the sum of each object or part.
The mass of the group is always GREATER than the sum of each object or part.
Alondra learned about magnets in school. Wanting to know more, Alondra wondered if any objects in her house would be magnetic. She found the following items:
A pencil, a gold coin, an iron nail, and a glass dish.
Which of the following items would be attracted to a magnet?
a pencil
a gold coin
an iron nail
a glass dish
Which state of matter has NO definite volume and NO definite shape?
Solid
Liquid
Gas
Michael is describing the physical properties of candy corn. Name at least two physical properties that he can observe without using any measurement tools.
hardness and shape
texture and temperature
color and volume
mass and odor
Trinity has two identical pieces of chocolate cake. She wants to know how much mass each piece has.
Trinity takes one whole cake and places it on one pan of a balance. She then takes the other cake and cuts it into three slices. She puts the slices on the other pan.
What will she observe about the pans of the balance?
The pan with the whole cake will be slightly lower than the pan with the slices.
The pan with the slices will be slightly higher than the pan with the whole cake.
The pan with the whole cake will be completely lowered and the pan with the slices will be completely raised.
Both pans will be balanced equally.
Which of the following properties of matter can you NOT measure?
Volume
Taste
Weight
Size
Jayden has a banana. He uses a balance and measures the mass of the banana to be 50 grams. Jayden cuts the banana into 5 pieces. He puts the 5 pieces on the balance.
What will Jayden most likely write down as the total mass of the 5 pieces of banana?
50 grams
10 grams
5 grams
100 grams
Machines make our work______
Difficult
Complicated
Easy
A worker is facing difficulty to carry boxes out of the lorry. Which simple machine can help the worker?
Lever
Wedge
Inclined plane
Gear
A simple machine made by joining two inclined planes
inclined plane
fulcrum
wedge
lever
What type of machine are door knobs and ramp?
Lever
Inclined Plane
Modified Inclined Plane
Wheel and Axle
Two or more simple machines put together form a (a)
machine
The force that we apply on a lever is called-
Fulcrum
Load
Effort
The device used to raise a flag up a flag pole is an example of a
wheel and axle
lever
inclined plane
pulley
How many parts are there in a lever
2
3
5
4
A windmill is an example of
a third-class lever
wheel and axle
inclined plane
screw
a simple machine that makes it easier to lift or move objects; has a fulcrum
fulcrum
screw
lever
There are 4 basic kinds of simple machines.
What kind of simple machine is this?
wedge
pulley
wheel and axle
lever
screw
Exercise machine is an example of-
Lever
Wedge
Pulley
Screw
Two ________ atoms join together in a nuclear reaction
Hydrogen
Helium
Uranium
Oxygen
A star is luminous because
It gives off light
It gives off heat
It is bright
It gives off light and heat
The life cycle of a star has how many phases?
6
3
4
5
The first stage of a stars life cycle is called
Formation
The stable period
The red giant
The white dwarf
Gas clouds in space are called
Supernova
Helium
Nebulae
Gravity
The longest phase in a stars life cycle is called
Formation
The stable phase
The red giant
The white dwarf
The star is called a red giant in the third phase because
It is red and giant
It is blue and small
It has expanded due to burning of helium
It has expanded due to burning of hydrogen
In the final stage a star becomes known as a
Red giant
White dwarf
Red dwarf
White giant
The galaxy we are in is called
Earth
Snickers
Solar system
Milky way
The fourth closest planet to the sun is called
Jupiter
Earth
Mars
Mercury
Choose the Terrestrial planets
Mercury, venus, earth and mars
Mercury, earth, Mars, Jupiter
Mars and earth
Neptune, Uranus, Saturn, Jupiter
Which is not a Jovian planet?
Mars
Jupiter
Neptune
Uranus
Pluto is a..
Star
Asteroid
Planetoid
Dwarf
A moon revolves around
The sun
Planets
Other moons
Stars
Which waste rots easily and mixes with the soil
Biodegradble Waste
Non Biodegradble
None of these
Green bin is for _________
Non biodegradble waste
Biodegradble waste
Ordinary bin
Light travels in a
Zigzag line
refraction line
straight line
circle
What is the correct term to match this definition? "Some light passes through"
Medium
Refraction
Reflection
Translucent
This is an example of what?
Transparent
Oblique
Reflection
Medium
This is an example of
Light traveling in a straight line
A prism showing light
Refraction as a real life example
Absorption of water
On a sunny day, why would black asphalt be hotter than cement?
Because black asphalt is oblique which absorbs light while cement does not absorb light
because black asphalt is transparent while cement is transculent
because black asphalt is medium while cement is a prism
because black asphalt is cooler while cement is hotter
Which explains why the fork looks different under water?
Light can't pass through the glass
The amount of light increases when going through water
The wavelength of light lengthens
Light is refracted at an angle
Which picture is opaque?
A, B, C
C,D
A, E
F
Which is a transparent object?
Glass
Iron
Copper
Steel
What term matches this definition? "An object or substance that changes direction of light"
Medium
Reflection
Prism
Refraction
What is a lens?
A place where light is absorbed
A store to get glasses
A clear piece of curved glass or plastic that bends passing light to focus or spread the light rays
An object used to stop light from traveling in a straight line
Sound travels fastest in...
solids
liquids
gases
air
Sound waves CANNOT travel through which of these:
liquid
gas
Outer space
The flow of electric charge in a circuit is called _______.
Heat
Sound
Electric Current
Magnetic
What supplies the energy or power in an electric circuit?
light bulb
wire
battery
If the light is on, the circuit is _________________.
closed
open
If the light is off, the circuit is ______________.
closed
open
Identify the conductor below.
cloth
plastic
metal
Mahra finds that all of the electric cords in her school are covered with plastic. Why is it important to cover the electric cords with plastic?
Plastic is an insulator.
Plastic is a conductor.
Plastic is strong.
Plastic will melt.
