Theories and laws (irregular plurals)

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Irregular plural nouns

irregular plural nouns

LESSON OVERVIEW

The main objectives of this lesson on irregular plural nouns are to:

  • analyze the forms and use of irregular plural nouns;
  • discuss scientific laws and theories and spark curiosity on the topic.

In this lesson, students revise collocations related to science, understand the forms and use of irregular plural nouns, and watch and discuss an explainer video about scientific laws and theories

C2 / Proficiency60 minStandard LessonUnlimited Plan

WARM-UP & VOCABULARY

This lesson starts with a warm-up in which students share their personal experiences related to the field of science. They revise vocabulary by brainstorming collocations with ‘a scientific theory’ and ‘a scientific law’ (e.g. disprove a scientific theory, formulate a scientific law, etc.). Then, students discuss the difference between scientific law and scientific theory.

VIDEO AND DISCUSSION

In this part of the lesson, students practise their listening and interpretation skills by watching an explainer video about laws and theories. They watch the first part of the video and check whether what they thought about scientific law and theory is correct. They also use the words ‘law’ and ‘theory’ in the sentences and check them after watching the second part of the video. After that, students watch the rest of the video and list reasons why theories are good for science. Then, they answer questions that spark curiosity and have a discussion about the topic.

IRREGULAR PLURAL NOUNS

In this part of the lesson, students examine the forms and use of irregular plurals. They start by assessing the correct use of those words and analyzing their singular and plural forms. Students formulate ways of creating irregular plural nouns and discuss their pronunciation. After that, they consolidate what they understand by completing a table with the correct forms of nouns. Then, they have the chance to practise using them in an interesting conversation by answering challenging questions (e.g. What are emotions?, Are we alone in the universe?, etc.). 

HOMEWORK/REVISION

This lesson plan also includes an additional task that you can use as homework or revision. In the task, students add correct endings to words to practise using irregular plural nouns. The task is available in the teacher’s version of the worksheet. You can print it and hand it out to your students. It’s also included in the e-lesson plan.

WORKSHEETS

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