3rd Grade PBL Science | Life Cycles & Traits | Science Fair


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This 3-week project-based learning (science-focused) research-based unit is the perfect way to teach reading, writing, research skills, and plan/host a science fair in one engaging, real-world unit. Your students will use key standards, such as research, reading comprehension, and inquiry in a real-life scenario. The best part about PBL is that student choice and differentiation are built in!

Driving Question: How can we share information on life cycles and traits to help students at our school better understand plants and animals?

NGSS Standards Covered:

  • NGSS.3-LS1-1: Develop models to describe that organisms have unique and diverse life cycles but all have in common birth, growth, reproduction, and death.
  • NGSS.3-LS3-2: Use evidence to support the explanation that traits can be influenced by the environment.


Students are challenged to plan a school or classroom science fair and create a presentation for the science fair using their research on life cycles and traits.

Banish those boring worksheets and get your students excited about real life learning! This 3-week project covers the following skills:

  • Research
  • Reading Comprehension
  • Collaboration
  • Communication
  • Compare & Contrast Writing
  • Design & Creativity
  • Critical Thinking
  • Presentation Skills


Included in this Resource:

  • Lesson Outline
  • Sample Pacing
  • Teacher Guide with Lesson Plans
  • Scaffolded Research Notes
  • Rubric & Sample Answers


Plus, a BONUS digital version is included as well!


Copyright © April Smith (Performing in Education). All rights reserved by author. This product is to be used by the original downloader only. Copying for more than one teacher, classroom, department, school, or school system is prohibited. This product may not be distributed or displayed digitally for public view. Failure to comply is a copyright infringement and a violation of the Digital Millennium Copyright Act (DMCA). Clipart and elements found in this PDF are copyrighted and cannot be extracted and used outside of this file without permission or license. Intended for classroom and personal use ONLY.

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