Worksheets25/26 STEM Knowledge Challenge
Total questions: 40
Worksheet time: 29mins
Which of the following numbers is divisible by 9?
12345
12346
12347
12348
How do you select the entire document in Microsoft Word?
Press Ctrl + A
Press Shift + Z
Press Alt + P
Press Ctrl + P
Which animal can usually survive being completely frozen into ice and then thawed out?
Tree frog
Polar bear
Penguin
Camel
Which of the following statements is TRUE?
The square of every prime number is also prime
The product of two odd numbers is odd
Every even number is divisible by 4
The sum of two prime numbers is always prime
Match the planets with their iconic appearance.
Earth
Mars
Saturn
Jupiter
If you write down all the integers from 1 to 100, how many times does the digit “7” appear?
10
19
20
21
Which planet has an axis tilted at nearly perpendicular to its orbit, causing it to "roll" on its side like a barrel?
Neptune
Uranus
Saturn
Jupiter
The Roman numeral "MMXXVI" represents:
If a computer's performance suddenly becomes slow, what is the most likely reason?
Monitor failure
Insufficient hard disk space or overloaded RAM
Keyboard connection issues
Poor network signal
Compare the following numbers, 13.11 and 13.8. Which one is greater?
13.11
13.8
They are equal
Cannot be determined
Arrange the planets from the closest to the Sun to the furthest from the Sun.
Mars
Jupiter
Uranus
Neptune
“0” is known to be a/an
Positive number
Negative number
Neither positive nor negative
Cannot be determined
If you drop a bowling ball and a feather at the same time in a vacuum, which hits the ground first?
The bowling ball
The feather
They hit at the same time
The heavier one hits slightly later
If 3 people drink 3 bottles of water in 3 days, then how many bottles of water do 6 people need in 6 days?
3 bottles
6 bottles
9 bottles
12 bottles
Which hardware component is responsible for executing instructions and performing calculations?
Hard Drive (HDD)
Graphics Processing Unit (GPU)
Central Processing Unit (CPU)
Power Supply Unit (PSU)
“0” is known to be a/an
Even number
Odd number
Neither odd nor even
Cannot determined
Why do we put food in a refrigerator?
Cold air kills bacteria instantly.
Cold air dries food.
Cold air removes nutrients.
Low temperature slows down bacterial growth.
Which car is the slowest?
A car running at 52 km/h
A car running at 15 m/s
A car running at 800 m/min
A car running at 50 000 m/h
Which number comes next in the sequence 2, 6, 12, 20, 30, ?
If you fold a square piece of paper exactly once, what is the maximum number of corners you can see at the edge?
3
5
7
9
Which animal has fingerprints so similar to humans that they can fool fingerprint experts?
Sloth
Koala
Cat
Elephant
What does the "P" stand for in GPS?
Processor
Positioning
Portable
Precision
A clock shows 3:15. What is the angle between the hour hand and the minute hand?
0o
7.5o
15o
37.5o
Why does the sky appear blue on a clear day?
It reflects the blue colour of the oceans
Air molecules scatter shorter wavelengths of sunlight more than longer ones
The Sun emits mostly blue light
Ozone in the atmosphere absorbs all colours except blue
If 4 people can paint 4 walls in 4 hours, how many people are needed to paint 8 walls in 8 hours?
2
4
8
16
Roughly how many hairs does a human lose in a lifetime?
50 000
150 000
500 000
Over 1 million
What is the primary function of the BCC field in an email?
To attach files
To hide recipients' email addresses
To prioritize the email for delivery
To archive the emai
What color is polar bear skin?
White
Yellow
Black
Red
Which type of storage device is typically used for fast system boot-up performance?
CD/DVD Drive
Hard Disk Drive (HDD)
Solid State Drive (SSD)
Memory Card
The sum of the first 50 odd numbers is
250
500
1250
2500
To merge multiple cells into one in Excel, which option should you use?
Insert Table
Merge & Center
Data Validation
Freeze Panes
What force keeps planets in orbit around the Sun?
Electricity
Magnetism
Friction
Gravity
Why do car tires feel warm after a long drive?
Heat from the engine spreads to the tires
Friction between tires and road produces heat
Sunlight warms them
Air inside expands
Which of the following animals is NOT a mammal?
Dolphin
Bat
Octopus
Whale
What is the quickest way to copy the same formula to multiple cells in Excel?
Use the Fill Handle to drag
Press Alt + F
Press Ctrl + P
Press the Home key
Why do balloons burst when left in the sun?
The air inside contracts.
The air inside expands with heat.
The balloon material melts.
The balloon absorbs sunlight.
Which ribbon tab is used to insert page numbers in Word?
File
Reference
Insert
Layout
What is the purpose of an email signature?
To automatically reply to every received email
To include predefined contact information or a closing message in every email
To encrypt the email for security
To send the email to multiple recipients
What is the main purpose of the "File Explorer" in Windows?
To manage files and folders
To install software
To update the operating system
To store passwords
Which of the following is the ONLY dwarf planet in the Asteroid belt?
Vesta (灶神星)
Pallas (智神星)
Pluto (冥王星)
Ceres (穀神星)
