Basic Details
Word: Oxygen
Part of Speech: Noun
Meaning: A colourless, odourless gas that is essential for life and necessary for breathing.
Synonyms: O2, air
Antonyms: N/A
Idioms and Phrases
- Run out of steam: To become tired or lose energy, similar to how something runs out of oxygen. Example: "After studying all night, she felt like she had run out of steam."
- Full of hot air: To talk a lot without saying anything meaningful, similar to oxygen but with little substance. Example: "His promises were just full of hot air, as he never followed through with them."
Usage Examples
Example 1: Plants produce oxygen during photosynthesis, giving us the breath of life.
Example 2: When scuba diving, it is crucial to have enough oxygen to breathe underwater.
Example 3: The fire needs oxygen to burn, which is why blowing on it makes the flames grow stronger.
Fun Fact
Did you know that oxygen makes up about 21% of the Earth's atmosphere? Without it, most living organisms would not survive!
Famous Quote
"To breathe is to live, for it is oxygen that sustains us." Anonymous
Multiple Choice Questions (MCQs)
1. What does "oxygen" mean?
a) A sweet substance
b) A gas necessary for breathing
c) A type of food
d) A piece of clothing
Answer: b) A gas necessary for breathing
2. Which of these is a synonym of "oxygen"?
a) Water
b) O2
c) Carbon dioxide
d) Nitrogen
Answer: b) O2
3. Which sentence uses "oxygen" correctly?
a) The oxygen danced with joy.
b) We need oxygen to survive on Earth.
c) The oxygen baked a cake.
d) The oxygen is a colour.
Answer: b) We need oxygen to survive on Earth.
4. Which idiom relates to feeling tired, as if you have run out of energy?
a) Full of hot air
b) Run out of steam
c) In hot water
d) Jumping for joy
Answer: b) Run out of steam
5. What is the opposite of "oxygen"?
a) N/A
b) Hydrogen
c) Carbon dioxide
d) Water
Answer: a) N/A
