Free classroom videos

Explainer videos for NZ classrooms

Short, researched explainers to play in class. Each one comes with chapters, a transcript and the sources behind every fact.

NCEA

15 videos · NCEA Level 1, NCEA Level 2, NCEA Level 3, NCEA Level 4

Level 1 10Level 2 14Level 3 8Level 4 1
2:27

How we found out what's inside an atom

NCEA Level 1 · Science

2:27

The 1918 flu pandemic in New Zealand

NCEA Level 1 · History

2:29

The Keeling Curve: how we know CO₂ is rising

NCEA Level 1 · Science

9:49

Differentiation Explained: The Maths of Change

Ages 16–18 · Maths

2:28

How we discovered the shape of DNA

NCEA Level 2 · Biology

2:32

The Alpine Fault: New Zealand's next big earthquake

NCEA Level 2 · Earth and Space Science · Geography

2:38

The Great Depression in New Zealand

NCEA Level 2 · History

2:31

The ozone hole: the chemistry that saved the sky

NCEA Level 2 · Chemistry

2:37

What is inflation? The story of New Zealand's prices

NCEA Level 2 · Economics

Junior secondary

7 videos · Year 9, Year 10

Year 9 8Year 10 11
5:58

Straight-Line Graphs Explained: y = mx + c

Ages 13–16 · Maths

5:41

Photosynthesis and Respiration Explained

Ages 13–16 · Science

5:40

Supply and Demand Explained

Ages 14–17 · Economics

5:56

Mitosis vs Meiosis Explained

Ages 14–17 · Science

5:49

Reaction Rates and Collision Theory Explained

Ages 14–17 · Science

5:53

Ionic and Covalent Bonding Explained

Ages 14–16 · Science

1:56

Mean, median and mode

Year 10 · Statistics

Intermediate

7 videos · Year 7, Year 8

Year 7 8Year 8 8
5:53

The Greenhouse Effect Explained

Ages 11–14 · Science

5:40

The Black Death Explained

Ages 11–14 · History

2:46

How the Printing Press Changed the World

Ages 11–14 · History

2:07

1893: Women win the vote

Year 7 · Social Sciences

1:44

The design loop

Year 7 · Technology

5:53

Newton’s Three Laws of Motion Explained

Ages 12–15 · Science

2:21

Why does New Zealand have so many earthquakes?

Year 8 · Science

Primary

15 videos · Year 1, Year 2, Year 3, Year 4, Year 5, Year 6

Year 1 1Year 2 3Year 3 1Year 4 3Year 5 4Year 6 4
2:01

The life cycle of a monarch butterfly

Year 1 · Science

1:58

Fair shares: halves and quarters

Year 2 · Maths

1:52

Telling the time

Year 2 · Maths

1:51

What do plants need to grow?

Year 2 · Science

1:58

Matariki: the Māori New Year

Year 3 · Social Sciences · Science

1:50

Forces: pushes and pulls

Year 4 · Science

2:16

Journeys to Aotearoa

Year 4 · Social Sciences

1:55

Persuade with purpose

Year 4 · English

5:59

How Your Digestive System Works

Ages 9–12 · Science