Big History - What Are Planets Made Of?

Big History - What Are Planets Made Of?

Lesson 6 of 13 in this unit

  • Primary
  • Year 3 - 6
  • Science
  • Earth and Space
  • Human Endeavour
  • ...

Lesson summary

Students explore the process of accretion and its role in the creation of our Solar System and the planet Earth. They will then independently investigate planets and demonstrate their understanding by creating their own planet.

Learning intentions:

Students will...

  • understand how planets in our Solar System, including Earth, were formed
  • understand what planets are made of. 

Success criteria:

Students can...

  • demonstrate the process of accretion
  • explain how elements play a key role in the creation of planets
  • demonstrate an understanding of what planets are made of by creating their own planet.

Lesson guides and printables

Teacher Lesson Plan
Teacher Content Info

Lesson details

21st century skills

  • communication
  • creativity
  • critical thinking
  • digital literacy
  • global citizenship.

Curriculum mapping

“It is one of the many odd features of modern society, that despite having access to more information than any earlier society, those in modern educational systems … teach about (our) origins in disconnected fragments. We seem incapable of offering a unified account of how things came to be, the way they are.” – David Christian, 2011, Maps of time: an introduction to big history

We encourage you to teach Big History both through and in-between disciplines (transdisciplinary).

The story of our universe needs the expertise of academic disciplines to be made sense of and explained in full. The best evidence from a wide range of disciplines presents the current best answers to our big questions.

As primary educators, this provides us in turn with the opportunity to engage with this story from a particular perspective that your grade and/or school currently requires. This means it is not seen as an add-on/extracurricular activity that our overloaded timetables cannot cope with. English, Science, & Creative Arts syllabuses easily incorporate Big History, alongside the skills and concepts from History and Geography. Maths, too, can be incorporated in discovering large numbers and measuring the large scales of time and space!

Syllabus outcomes: EN2-1A, EN2-2A, EN2-4A, EN2-6B, EN2-7B, EN2-8B, EN2-10C, EN2-11D, EN2-12EST2-9PW-ST, ST2-1WS-S, ST2-SPW-STT2-9PW-STHT2-5GE2-2, GE2-4VAS2-1,VAS2.4

General capabilities: LiteracyDigital LiteracyCritical and Creative Thinking.

Cross-curriculum priority: Sustainability.

Big History embraces a curriculum that emphasises nature, economics, society and our own wellbeing to empower children to see our worldview from the context of a unified universe story, not merely from within our local cultural worldview! 

Learning our emerging and unified 13.82 billion years of Big History helps us to understand the changing nature and fragility of our complex environment. We can use that knowledge of the past, present and future to investigate future possibilities for sustainable ways to meet our own needs and the needs of future generations.

Resources required

You may decide on different entrances to this story in your classroom. That is perfectly reasonable – as long as we tell the whole emerging story of our universe, as we know it! Think of the story as a chapter book where children need to hear the whole story to make sense of it – if we hear fragments from various chapters we are left with fragments once more!

Alternatively, the resources for this lesson as a standalone are:

Additional info

This is an original Cool.org lesson.

This Big History Program for primary school students is based on the Big History Project as adapted by Marilyn Ahearn and Marisa Colonna. 

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