English
Identify the main clause in: Although it was raining, the match continued.
The match continued.
Evaluate: 3² + 4²
25
What part of the cell controls its activities?
The nucleus
What is the chemical symbol for potassium?
K
Which treaty officially ended World War I in 1919?
Treaty of Versailles
What is the effect of using alliteration in writing?
It draws attention and adds rhythm or emphasis.
Find the value of x: 2x + 5 = 17
x = 6
State one function of the liver in the excretory system.
Filter toxins from the blood.
What is the difference between an element and a compound?
An element has one type of atom; a compound has two or more chemically bonded atoms.
What was the main purpose of the League of Nations?
To maintain world peace and prevent wars
Rewrite in reported speech: She said, “I am reading a novel.”
She said that she was reading a novel.
A triangle has angles 40° and 75°. Find the third angle.
65°
Why does a black car heat up faster in the sun than a white one?
Black absorbs more radiation; white reflects it.
Name one gas responsible for the greenhouse effect.
Carbon dioxide or methane
Name the treaty that ended the American Revolution.
Treaty of Paris (1783)
What is the difference between tone and mood in a text?
Tone is the writer’s attitude; mood is the feeling created for the reader.
Simplify: (2x²y) × (3xy²)
6x³y³
Define refraction.
The bending of light as it passes between media of different densities.
What is the pH of a neutral solution?
7
Which document declared the freedom of all slaves in Confederate states?
Emancipation Proclamation
In the phrase “a heart of stone”, what does the metaphor suggest about the person?
They are unemotional or lack compassion.
A line has gradient 2 and passes through (0, 3). Write its equation.
y = 2x + 3
Why does a ray of light bend when it passes from air into water?
Because light changes speed when it enters a medium with a different density, causing refraction.
Explain why metals are malleable.
Their atoms can slide over each other in layers without breaking bonds.
Name one social problem that arose due to rapid industrialization.
Child labor / poor working conditions / urban overcrowding