Unit 2: Natural World


  • This English lesson teaches ESL kids vocabulary related to the natural world.
  • Students will learn how to use comparatives and superlatives to describe things in the natural world.
  • After this lesson, kids should be able to compare and contrast things.

Main Lesson Materials & Study Steps

natural-world video lesson

1st –This cartoon animated video features a short dialogue, followed by vocabulary and sentence breakdown. It is essential for introducing the words, phrases, grammar, spelling and sentences of the lesson in context. Watch repeatedly to master the content. The video plays on any device.

we-visited-zoo game

2nd – Then the student plays this fun game after watching the video, to practice the contents of the lesson. The game reviews key vocabulary, grammar and sentences from the lessons. This game can be played on any device.

we-visited-zoo test

3rd – Finally the learner takes this test of the unit. The score of this test is captured in the LMS and gives educators an idea of how well their learner is doing. The test opens on any device – mobile & PC.

Worksheets for the Unit

The worksheets below are useful for offline and classroom activities. These printable exercises directly correlate with the above lesson 'Natural World'. Every worksheet comes with an answer sheet on the second page for educators.

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Lesson Story:

Ms. Ann’s topic for the day is volcanoes. She teaches the students what a volcano is and about eruptions. Freddie asks if volcanic eruptions are dangerous. Ms. Ann tells them the story of a mountain in Italy that erupted with deadly consequences. Frightened by the new knowledge, the kids wonder whether this might happen to them. Ms. Ann promptly explains that most volcanic eruptions actually take place in the oceans.


Earth's core
71% or 71 percent = 71/100

Comparatives & superlatives (use some objects to show)

long longer longest
big bigger biggest
small smaller smallest
colder colder coldest
hot hotter hottest
dry drier driest

Sentences with superlatives

What is the biggest ocean?
The Pacific Ocean is the biggest.
What is the longest river?
The Nile is the longest river.
What is the driest desert?
The Atacama Desert in Chile is the driest desert.
What is the coldest ocean?
The Arctic Ocean is the coldest. It is also the smallest ocean.


This lesson is part of the Level 6 English course.

Download Level 6 Course Manual