Font size
WorksheetsUNITS AND MEASUREMENT
Total questions: 48
Worksheet time: 39mins
Hey there, science whiz! Alisha is curious about the world of electricity. Can you help her out? What SI unit do we use to measure electric current?
seconds
amperes
Kelvin
mole
Riyaan and Aashi are on a treasure hunt! They need to find out how far apart two hidden treasures are. What do they call the distance between these two points?
Length
Measurement
Mass
Volume
You want to know the length of your foot. Which unit of measurement would be best for this?
Meter
Centimeter
Gram
Milliliter
Identify the pair whose dimensions are equal
Force and work
Pressure and energy
Force and pressure
Work and energy
Hey there, future physicists! 🌟 Can you help Siya figure out the unit of momentum? Is it:
skg m - Is this the right answer, Rahul?
kgm2 - What do you think, Avani?
s2kg m - Could this be it?
none of these - Or is it something else entirely?
Hey there, future scientists! Can you help Aanya figure out what the SI unit of pressure is? Is it............
Pascal
m2N
Both 1 and 2
none of these
The SI base units for time and temperature are
hour and degree Celsius.
second and degree Celsius.
hour and kelvin.
second and kelvin.
Hey there, science whiz! 🌟 Can you help Sneha figure out what the unit cm3 is used to express?
length
mass
volume
time
Hey there, science whizzes! Can you help Dhruv figure out which of these is NOT an SI base unit? Put on your thinking caps!
meter
pound
kelvin
ampere
Hey Tisha, Aisha, and Tara! Can you guess what SI stands for in the world of units? It's a fun little mystery!
Système Intercontinental d'Unités
Systematic International Units
Standard International Units
Système International d'Unités
Define the term 'dimension' in the context of measurement.
Dimension is a measurable extent of a physical quantity, such as length, width, height, or time.
Dimension is the weight of an object.
Dimension refers to the color of an object.
Dimension is a type of geometric shape.
Hey there, bright minds! 🌟 Can you help Neha figure out what the SI unit for luminous intensity is? Is it:
watt
lumen
lux
candela
How many base units are there in the SI system?
7
12
5
10
What is the derived unit for area in the SI system?
m
m³
m²
cm²
What is the SI unit for frequency?
watts (W)
hertz (Hz)
joules (J)
newtons (N)
Hey Sneha, Saisha, and Anika! Let's dive into the exciting world of physics! Can you explain the difference between a scalar and a vector quantity?
A scalar has only magnitude, while a vector has both magnitude and direction.
A vector has no magnitude but only direction.
A scalar is a type of vector that only measures speed.
A scalar has both magnitude and direction, while a vector has only magnitude.
Hey Aashi, Siya, and Anika! Let's put your science knowledge to the test! Can you tell me what the SI unit for pressure is?
barometer
atmosphere (atm)
torr
pascal (Pa)
The smallest value which is measured using an instrument is known as ________
Absolute count
Round off value
Least count
Minimum count
Hey Aashi, Ishika, and Avani! Let's dive into the world of measurements! Can you guess which one of these is a recognized system of units?
SMS system
MKP system
FPS System
CJS System
which of the following combinations represents a derived unit?
Metre, Kilogram, Ampere
Kelvin, Mole, Ampere
Metre, Second, Kilogram
Volt, Newton, Joule
Hey Alisha! If you were to race against Aarush and Arnav in a science quiz, here's a question to test your speed: What is the unit for kinetic energy, Ek?
Watt
Joule
Volt
Newton
Hey there, Akhil, Myra, and Viaan! Let's dive into the world of tiny measurements! Can you tell me how many meters are in 1 nm (nano-meter)?
1 x 10-12
1 x 109
1 x 10-9
1 x 1012
Hey Shaan, imagine you’re at the thrilling 2008 Olympic Games! Usain Bolt zooms past everyone, setting a world record of just 10 seconds in the Men’s 110 m Final. Can you calculate his average speed? Let’s see if you can keep up!
1100 ms
11 m/s
10 m/s
0.09 m/s
a, b, and c have units of meters, s = a + b, what is the dimension of s, [s]?
[M]
[L]
[M/L]
[ML]
There are (a) Joules is 0.45 kJ?
The prefix ‘kilo’ means multiply by 1000 units. State the prefix meaning multiply by 1 000 000.
The diagram shows four identical spheres placed between two wooden blocks on a ruler.
What is the diameter of one sphere?
1.0cm
2.0cm
3.0cm
4.0cm
One sunny day, Tara decided to challenge herself by riding around a track three times. Her friend Rohan, always ready with his stopwatch, recorded the time at the start of her ride, after she completed one circuit, and finally at the end of her three circuits. Check out the stopwatch readings below!
What is the average time for one circuit of the track?
174s
198s
180s
200s
Our friend Aarush is on a mission to find out how long it takes for a speedy runner to take just one step using his trusty stopwatch. However, he's having a tough time getting an accurate measurement. What clever trick could help him get the most precise answer?
Measure the time for 20 steps and divide by 20.
Measure the time for two steps and divide by 2.
Use a stopwatch that measures to more decimal places.
Ask his friend Tara to measure the time for one step, as she might have a quicker reaction time.
Which one is a scalar?
force
weight
mass
momentum
The length of a desk is 3.5 feet. How many centimeters is the length?
(2.54 cm =1 inch)
60
120.23
106.68
117.12
Hey there, math whiz! Aanya just measured her new desk and found it to be 75.2 cm long. Can you help her convert that measurement into meters? How many meters is that?
0.752
7.52
75.2
752
Neha and Dhruv are measuring their art supplies. Neha has a ribbon that is 3 cm long. Can you help them figure out how many millimeters that is? 3 cm = ? mm
30
300
3000
0.3
Dimension is defined as
A method which physical quantity expressed in terms of scalar and vector quantity.
A technique which physical quantity can be expressed in terms of combination of derived quantities.
A technique which physical quantity can be expressed in terms of combination of basic quantities.
Hey Kabir, Aditi, and Aisha! Imagine you're on a treasure hunt. What do you think a magnitude is in this adventure?
A numeric value that helps you find the treasure.
A direction that points you to the treasure.
Which of the following instruments best to measure the thickness of paper?
Hey Avyaan, did you know that a light year is a unit of
time
distance
sun light intensity
mass
Which of the following pairs has the same dimensions?
Specific Heat and Latent Heat
Impulse and Momentum
Surface Tension and Force
Moment of Inertia and Torque
Hey there, science explorers! Did you know that an electron volt is a unit of something really cool? Let's find out!
Charge
Potential difference
Energy
Magnetic Force
The most suitable instrument for measuring the size of an atom is.
Electron microscope
Vernier calliper
Optical Microscope
Screw gauge
Physical quantities are quantities that consist of a numerical (a) and an (b) .
What is a base quantity?
length
mass
temperature
current
time
amount of substance
area
volume
density
pressure
force
energy
Match the following prefix to its multiples / factors.
nano
10-6
mega
103
kilo
10-9
micro
10-2
centi
106
What is 3 μg equivalent to?
How much is 8.9 MJ?
The symbol for mega is (a) and the symbol of tera is (b) .
