Basic Details
Word: Molecule
Part of Speech: Noun
Meaning: A group of two or more atoms joined together, which make up everything around us.
Synonyms: Particle, unit
Antonyms: Atom (used in a broader sense)
Idioms and Phrases
- It takes a molecule: Used to say that not much is needed to achieve something, often in a humorous way. Example: "It takes a molecule to change the world, but it all starts with an idea!"
- Small as a molecule: Describing something very tiny or insignificant. Example: "He was worried about the small tasks that seemed as small as a molecule compared to the big project."
Usage Examples
Example 1: Water is made up of two hydrogen atoms and one oxygen atom, forming a molecule.
Example 2: In science class, we learned that a molecule can be seen only with powerful microscopes.
Example 3: Each molecule in the air helps us breathe, containing vital oxygen that our bodies need.
Fun Fact
Did you know that the largest molecule ever discovered is called titin? It is a protein molecule that is crucial for muscle contraction and has over 38,000 amino acids!
Famous Quote
"The universe is made of stories, not atoms." Muriel Rukeyser
Multiple Choice Questions (MCQs)
1. What does "molecule" mean?
a) A single atom
b) A group of two or more atoms
c) A large animal
d) A type of rock
Answer: b) A group of two or more atoms
2. Which of these is a synonym of "molecule"?
a) Atom
b) Particle
c) Element
d) Compound
Answer: b) Particle
3. Which sentence uses "molecule" correctly?
a) The molecule jumped over the fence.
b) A molecule is a tiny thing made of atoms.
c) The molecule cooked dinner last night.
d) The molecule can swim in water.
Answer: b) A molecule is a tiny thing made of atoms.
4. Which idiom means the same as "molecule" is small?
a) It takes a molecule
b) Small as a molecule
c) Bigger than a barn
d) As brave as a lion
Answer: b) Small as a molecule
5. What is the opposite of "molecule" in a broad sense?
a) N/A
b) Atom
c) Universe
d) Planet
Answer: b) Atom
