What is the perimeter of a triangle with sides measuring 7 cm, 10 cm, and 12 cm?
29 cm
How many notes are in a standard musical scale?
7 (A, B, C, D, E, F, G)
In which year did World War II end?
1945
What is the pH of pure water?
7
What is the unit of force?
Newton (N)
A rectangular prism has a length of 5 cm, width of 3 cm, and height of 4 cm. What is its volume?
60 cm³ (5 × 3 × 4)
Which instrument has 88 keys?
Piano
What wall fell in 1989, symbolizing the end of the Cold War?
Berlin Wall
What element has the atomic number 1?
What is the acceleration due to gravity on Earth?
9.8 m/s²
If 2/3 of a number is 18, what is the number?
27
Who composed the “Fifth Symphony”? Answer:
Ludwig van Beethoven
Who was the famous civil rights leader who gave the “I Have a Dream” speech?
Martin Luther King Jr.
What type of acid is found in vinegar?
Acetic acid
What force opposes motion between two surfaces in contact?
Friction
A circle has a diameter of 14 cm. What is its radius?
7 cm
What is the musical symbol for silence?
rest
Who was known as the “Maid of Orléans”?
Joan of Arc
What type of bond involves sharing electrons between atoms?
Covalent bond
What type of wave is sound?
Mechanical wave
The sum of three consecutive numbers is 57. What are the numbers?
18, 19, 20
What is the term for gradually getting louder in music?
Crescendo
Who was the first man to orbit the Earth?
Yuri Gagarin
What type of reaction combines two or more substances into one?
Synthesis reaction
What is the formula for speed?
Speed = Distance ÷ Time