Basic Details
Word: Radiation
Part of Speech: Noun
Meaning: Energy that travels in waves or particles, which can come from natural or human-made sources.
Synonyms: Emission, rays, wave energy
Antonyms: Shielding, protection
Idioms and Phrases
- Radiate positivity: To spread good vibes or cheerful energy to others. Example: "She always radiates positivity, making everyone around her feel happy."
- Radiation therapy: A medical treatment that uses high energy to fight cancer. Example: "After her diagnosis, she began radiation therapy to help her recover."
Usage Examples
Example 1: The sun emits radiation which provides us with warmth and light.
Example 2: Scientists study radiation to understand its effects on health and the environment.
Example 3: Certain materials can block radiation and protect us from its harmful effects.
Fun Fact
Did you know that radiation can come from both natural sources, like the sun and rocks, and human-made sources, such as X-ray machines and nuclear power plants?
Famous Quote
"Radiation is not just a technical issue; it is an ethical issue, as well." — Helmut Schmidt
Multiple Choice Questions (MCQs)
1. What does "radiation" mean?
a) A type of plant
b) Energy that travels in waves or particles
c) A kind of food
d) A type of animal
Answer: b) Energy that travels in waves or particles
2. Which of these is a synonym of "radiation"?
a) Shading
b) Emission
c) Noise
d) Fluid
Answer: b) Emission
3. Which word is an antonym of "radiation"?
a) Emissions
b) Shielding
c) Rays
d) Waves
Answer: b) Shielding
4. Which sentence uses "radiation" correctly?
a) The child was scared of radiation when she saw the moon.
b) Radiation can be useful in medicine, such as in cancer treatments.
c) I found radiation on the playground.
d) The dog barked at radiation running past.
Answer: b) Radiation can be useful in medicine, such as in cancer treatments.
5. What does the phrase "radiate positivity" mean?
a) To emit bad feelings
b) To spread happiness and good vibes
c) To avoid talking to others
d) To stay quiet
Answer: b) To spread happiness and good vibes
