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Spell Bee Word: Radiation


What does radiation mean?

Word: Radiation

Part of Speech: Noun

Meaning: Radiation means energy that travels out from a source as rays or waves, such as heat and light from the sun or X-rays.

Synonyms: rays

How do you spell radiation?

Syllables: ra - di - a - tion

Tricky part: The ending is tion, not sion; radiasion is the slip children make most.

Watch out for: radiasion, radiashun, radiatoin

Memory tip: Rays travel out in every direction, and radiation ends with the same tion as direction.

Radiation in a sentence

Example 1: Too much of the sun's radiation can burn your skin.

Example 2: The doctor explained that an X-ray uses a tiny amount of radiation.

Example 3: Heat from a bonfire reaches us by radiation.

Fun Fact

Marie Curie, who studied radiation, won Nobel Prizes in two different sciences: physics in 1903 and chemistry in 1911.

Practise the CREST Way

Mingle-Mangle

Form a meaningful word from the jumbled letters:

itoanrdia

a) addition
b) radiation
c) rotation
d) ordination

Show answer

b) radiation. Rotation needs two t's, addition two d's and ordination a second o, so only radiation fits.

Spell-o-Spell

Choose the correctly spelt word:

a) radiation
b) electrisity
c) temprature
d) enargy

Show answer

a) radiation. Electricity has a c where the s is shown, energy starts en-er, and temperature keeps its middle e.

Word Cookie

Find the misspelt word in the sentence:

Our teacher told us that radeation from the sun reaches the Earth in about eight minutes.

a) Earth
b) radeation
c) minutes
d) teacher

Show answer

b) radeation. Radiation has an i after the d, as in radio.

Multiple Choice Questions

1. What protects your skin from the sun's radiation?

a) hair oil
b) talcum powder
c) perfume
d) sunscreen

Show answer

d) sunscreen

2. Why do workers in X-ray rooms wear heavy lead aprons?

a) to block harmful rays
b) to carry their tools
c) to keep themselves warm
d) to keep their clothes clean

Show answer

a) to block harmful rays

Associated Words

Words that end in -ation: conversation, acceleration, accommodation, examination, association, information

More words from this list

specific, unless, appreciate, committee, displacement, frontier, irritate, nestle

Next steps

How to participate in CREST International Spell Bee

The CREST International Spell Bee (CSB) is conducted in two editions – CREST International Spell Bee - Summer (CSB) and CREST International Spell Bee - Winter (CSBW) – giving students across the globe an opportunity to showcase and enhance their spelling proficiency. Designed for young learners from Senior KG to Class 8, the competition focuses on word-building, pronunciation, and vocabulary enrichment, helping students develop strong linguistic skills.

Steps to Participate:

Step 1: Visit the registration page and complete the registration with your desired subject.

Step 2: After Registration done, do login at www.crestolympiads.com/login.

Step 3: After login, go to dashboard and click on Book slot/Take Exam

Step 4: Schedule your exam date and preferred time.

Step 5: Log in with your credentials on the exam day at the scheduled time and take the exam.

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