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Alkanes — Interactive Lesson (Ages 14–16)

☆☆☆☆☆ Add your review • Year 10–11 • 🎓 Interactive Lesson & Activities

Pupils use the general formula CₙH₂ₙ₊₂ to write formulae, explain why alkanes are saturated and describe how boiling point, viscosity and flammability change with chain length.

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Lesson at a glance

What pupils will learn

  • Use the general formula CₙH₂ₙ₊₂ to write alkane formulae.
  • Explain why alkanes are described as saturated.
  • Describe how boiling point, viscosity and flammability change with chain length.
  • Write word and symbol equations for complete combustion.
  • Explain the dangers of incomplete combustion.

Curriculum

UK
Year 10–11 Science, National Curriculum (England)
Topic area
Organic Chemistry
US equivalent
Grades 9–10 (year level only; not mapped to US standards)

What the lesson covers

  • The Alkane Family
  • Saturated Hydrocarbons
  • Properties Change With Chain Length
  • Complete Combustion
  • Incomplete Combustion

How it is interactive

  • 6 multiple-choice questions
  • 3 true or false questions
  • 1 fill-in-the-blank question
  • 1 sorting and ordering task
  • 1 sentence-writing task
  • 1 drag-the-words sentence
  • 1 reveal card

Feedback and what you get

Questions are marked automatically as pupils answer: a sound and a character reaction show straight away whether they are right, and correct answers earn points, with a results screen at the end. Sentence-writing tasks are for pupils' own answers and are not marked automatically.

A 22-slide interactive lesson that runs in any web browser on a computer, tablet or interactive whiteboard. Members open it online from their year group page. Buying it on its own gives you a .zip download to unzip and open.

Free preview: try the first slides before you decide. Included in every Skoolmaths plan.

From the cooking gas in a Lagos kitchen to the natural gas heating a UK home, alkanes power everyday life. This 22-slide interactive lesson on alkanes takes pupils from first ideas to exam-style explanations, with 13 self-marking activities and nothing to prepare beforehand.

Teaching Alkanes in GCSE Chemistry

Pupils use the general formula CₙH₂ₙ₊₂ to write formulae, explain why alkanes are saturated and describe how boiling point, viscosity and flammability change with chain length. They balance equations for complete combustion and explore the real dangers of incomplete combustion, including carbon monoxide from charcoal stoves and generators. An extension slide introduces substitution with chlorine in UV light for SSCE and A-level learners.

What Pupils Will Learn

  • Use the general formula CₙH₂ₙ₊₂ to write alkane formulae.
  • Explain why alkanes are described as saturated.
  • Describe how boiling point, viscosity and flammability change with chain length.
  • Write word and symbol equations for complete combustion.
  • Explain the dangers of incomplete combustion.

What’s Included

  • 22-slide interactive lesson on alkanes
  • 13 self-marking activities: multiple-choice questions, true-or-false checks, sorting tasks, drag-and-drop categorising and fill-in-the-gap questions
  • Step-by-step teaching cards that reveal one point at a time
  • A written explanation task with a model answer for self-assessment

Why Teachers Love It

  • No prep — open it on an interactive whiteboard, laptop or tablet
  • Instant feedback explains every answer, right or wrong
  • Examples from both Nigeria and the UK make the chemistry feel real
  • Works for whole-class teaching, independent study or revision

Curriculum Alignment

Supports the organic chemistry content of UK GCSE Chemistry (AQA, Edexcel and OCR) and the Nigerian Senior Secondary Chemistry curriculum (SS2–SS3), including WAEC and NECO exam preparation.

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FAQ

What year groups is this for? Years 10–11 (ages 14–16), and SS2–SS3 in Nigeria.

Is it self-marking? Yes — all 13 activities give instant feedback.

Do pupils need to log in? No. The lesson runs in any modern web browser.

Can I use it for revision? Yes. Pupils can replay it as often as they like, and the results screen shows which questions to review before a test.

Year GroupsYear 10–11
Resource Type🎓 Interactive Lesson & Activities
FormatDigital Only
CurriculumEngland & Wales — KS4 (Years 10–11)
Added23 October 2026

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