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Spell Bee Word: Nitrogen


What does nitrogen mean?

Word: Nitrogen

Part of Speech: Noun

Meaning: Nitrogen means a gas with no colour or smell that makes up most of the air around us.

How do you spell nitrogen?

Syllables: ni - tro - gen

Tricky part: Students often write the last vowel as i, but it is e.

Watch out for: nitrogin, nitrojen, nitrogenn

Memory tip: Nitrogen is in the air everywhere, so let e for everywhere remind you of the e near the end.

Nitrogen in a sentence

Example 1: Crisp packets are filled with nitrogen to keep the crisps fresh.

Example 2: Farmers add urea to the soil to give their crops nitrogen.

Example 3: Peas, beans and other pulses help add nitrogen to the soil.

Fun Fact

Nitrogen was discovered in 1772 by the Scottish doctor Daniel Rutherford, who called it noxious air because a candle would not stay alight in it.

Practise the CREST Way

Spell-o-Spell

Choose the correctly spelt word:

a) potasium
b) amonia
c) calcuim
d) nitrogen

Show answer

d) nitrogen. Ammonia needs two m's, calcium has i before u, and potassium needs two pairs of s.

Word Makeup

Choose the prefix that completes the word:

____gen

a) nitra
b) netro
c) nytro
d) nitro

Show answer

d) nitro. Nitro, as in nitric acid, has i after the n and o after the tr.

Word Cookie

Find the misspelt word in the sentence:

The scientist kept the nitrogen cylinder in a cool corner of the busy laboratery.

a) cylinder
b) nitrogen
c) scientist
d) laboratery

Show answer

d) laboratery. Laboratory has o after the r, as in lab-o-ra-to-ry; nitrogen in the same sentence is spelt correctly.

Multiple Choice Questions

1. Roughly how much of the air we breathe is nitrogen?

a) about four-fifths
b) about a tenth
c) about one-fifth
d) about half

Show answer

a) about four-fifths

2. Why do some ice-cream shops use liquid nitrogen?

a) It adds a sweet flavour.
b) It makes the ice cream fizzy.
c) It gives the ice cream colour.
d) It freezes the mixture in seconds.

Show answer

d) It freezes the mixture in seconds.

Associated Words

Words that end in -gen: pathogen, oxygen, hydrogen

More words from this list

radiographer, tariff, zoologist, collaborate, dietary, fiddle, inevitable, nostalgia

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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