Acids & Base Chemistry Unit - Grade 3 to 6

17 videos + 9 Printable Experiments + Scope & Sequence + Cross-curricular Teaching & Project Ideas + Curriculum links & more

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A complete unit of work on acid/base chemistry
designed for Grades 3 to 6.

Zero-stress chemistry for the primary classroom.
Use red cabbage to create a "liquid rainbow" and test the pH of everyday items
to see chemistry in action right in your classroom

Everything you need for a month of science, 
in one download.

Expert-Led Teaching
Led by Ben Newsome 
(Churchill Fellow & Multi-Award Winning Educator).
It’s like having a guest scientist co-teach your class.  

Take the mystery out of molecules.
Explain the fundamental differences between acids and bases, 
how the pH scale works, and how chemical reactions create entirely new substances. It’s an introduction to the world of chemistry that makes complex concepts easy to swallow.

Low-Prep, High-Impact
9 experiments using everyday "kitchen chemistry" items like red cabbage, vinegar, bi-carb soda, turmeric and tea
No expensive kits required.  

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Comprehensive Scope & Sequence, Curriculum mapping,
Marking Rubrics and Risk Assessment included.

Classroom Chemical Reaction
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Testing Variables,
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Student Misconception Briefings Safety & Risk Assessment Templates Student-Facing Experiment Videos Quizzes, Rubrics & Project Ideas Scope, Sequence & Curriculum Outcomes Cross-Curricular Ideas Puzzles & Experiment Templates & more

The Rusty Nail Variable Test
Which liquid is the most corrosive?
Students conduct a controlled investigation using nails and various liquids (cola, soda water, vinegar) to master variable testing and observation.

Natural pH Indicators
Turn your classroom purple!
Students make their own indicator from red cabbage juice to test household liquids, witnessing instant color changes that reveal whether a substance is an acid or a base.  

The "Naked" Egg Experiment
Witness a slow-motion chemical reaction.
Students use vinegar to dissolve a hard eggshell, leaving only the membrane behind, and learn how acids interact with calcium carbonate.  

Turmeric Indicator Strips
Students create their own scientific testing strips using turmeric and paper towels, discovering how certain natural pigments react specifically to alkaline (basic) substances.  

Balloon Blow Up
Capture a gas in action!
By mixing acids and bases, students produce carbon dioxide to inflate a balloon, demonstrating how chemical reactions create new substances.  

Secret Lemon Juice Messages
Explore how heat and acidity interact.
Students use lemon juice as "invisible ink" and investigate the chemical changes that occur when the messages are revealed.  

Colour-changing tea
Seriously!
Investigate the colour change that happens
in tea when you add citric acid.
An investigation on natural plant pigments and pH

& more

Curriculum Differentiation

Tailor your teaching approach to meet the specific inquiry skills required for Years 3 through 6.

3-4

Middle Primary

Focus on guided inquiry. Use the student experiment templates to help learners transition from observation to predicting outcomes and identifying fair test variables.

Key Focus Areas
  • • Predicting & observing
  • • Organising data in tables
  • • Identifying single variables
5-6

Upper Primary

Emphasis on independent investigation and evidence-based analysis. Utilise marking rubrics to assess student ability to justify conclusions and evaluate experiment design.

Key Focus Areas
  • • Analysing complex patterns
  • • Evaluating reliability of results
  • • Cross-curricular project work

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This unit is fully aligned with:

- Australia: Version 9.0 (All states) + the new NSW & VIC Syllabus Outcomes
- USA: Next Generation Science Standards (NGSS) + TEKS/Virginia SOL.  
- UK/Canada/NZ: The Ontario Curriculum & NZ Curriculum
- International: IB (PYP & MYP) and Cambridge International. 

Created by Ben Newsome CF
2023 UTS Chancellor’s Award Winner & Churchill Fellow

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Ben Newsome CF is a qualified science teacher, 2013 Churchill Fellow, and founder of Fizzics Education. Having reached over 4 million students, his work has earned the UTS Chancellor’s Award for Excellence and a spot as an ASETNSW Ambassador. Author of ‘Be Amazing!’ and host of the FizzicsEd Podcast, Ben serves on international boards such as Educating for Leadership (Alaska) and as a board advisor to the Center for Interactive Learning & Collaboration to advance global STEM learning.

Frequently Asked Questions (FAQ)

Basic pantry supplies such as red cabbage, vinegar, bi-carb soda, turmeric, eggs, and tea!

Run them on your interactive whiteboard for a high-energy class review or print them for individual assessment. No student accounts needed.

What you get in this Unit of Work
 
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