Science / Year 4 / Science Understanding / Chemical sciences

View on Australian Curriculum website Australian Curriculum, Assessment and Reporting Authority
Curriculum content descriptions

Natural and processed materials have a range of physical properties that can influence their use (ACSSU074)

Elaborations
  • describing a range of common materials, such as metals or plastics, and their uses
  • investigating a particular property across a range of materials
  • selecting materials for uses based on their properties
  • considering how the properties of materials affect the management of waste or can lead to pollution
ScOT terms

Materials,  Properties of matter

Video

Red cabbage pH experiment

It might sound 'un-sciencey', and have a bad smell, but red cabbage is actually very useful for testing the pH of liquids. Added to well-known liquids like lemonade or vinegar, red cabbage juice changes to 'pretty colours'. In this clip, Surfing Scientist Ruben Meerman explains the colour changes and how red cabbage juice ...

Video

Sam the Lamb: properties of wool

This short video, narrated by ‘Sam the Lamb’ and a group of young wool enthusiasts, explores the properties of one of nature’s most versatile fibres. Viewers will discover how wool can stretch and return to its natural shape when worn; why wool is safe to wear around campfires and in the sun, and how wool can manages moisture ...

Online

Egg bungee jump: Connected learning experience (CLE)

In this investigation, the properties of materials are investigated in the context of modelling a bungee jump by an egg. There is an emphasis on linking the physical properties of materials to their use in order to solve a real-world problem.

Video

Recycling household items

Discover why plastic is harmful to our environment and how recycling helps to reduce its impact. Listen to Jon Dee, founder of Planet Ark, discuss the problem of plastic. Watch as a bag of household items are sorted to identify what can be recycled.

Interactive

Waters of Kamay

This learning sequence explores the salt and fresh waters of Kamay Botany Bay, its importance as a life source and the cultural connection it has to the Aboriginal people living at Kamay. Water is essential for life. It nourishes our bodies, our lands and supports all life on earth. It is home to wondrous and significant ...

Video

Daily bread

Do you eat bread? How often? Discover why bread has been important for human survival for thousands of years. Find out how to find the healthiest types of bread to eat. See how you can make your own bread at home.

Video

Tough zirconium - but what's its secret side?

The element zirconium is often used for its tough, abrasive properties. It also has a secret side. View this clip (developed by students for the 2013 Sleek Geeks Eureka Science Schools Prize competition), which highlights the properties and uses of zirconium in a highly visual and fun way.

Video

Artificial eyes: how are they made?

To answer the question 'Are glass eyes really made of glass?' Peter Rowsthorn visits an ocularist who makes artificial eyes. Join him as he investigates how these eyes are made. Witness the skill of an ocularist, Jenny Geelen, as she creates an artificial eye to match Pete's existing eyes.

Online

Rubbish recording and reduction: Part 2

In this lesson sequence students use Excel to represent data in a variety of ways.

Online

Waste matters

This is a compilation of three teaching sequences about the concept of waste. It includes sections on kinds of waste people create, the difference between biodegradable and non-biodegradable waste, waste management practices at a community level, and people and organisations working for a cleaner world. It introduces this ...

Interactive

experiMENTALS: Spooky slime

This resource contains a materials and instruction list and brief explanation for students about the process of making spooky slime with cornflour to produce a substance that is a little like a liquid and a little like a solid.

Online

Rubbish recording and reduction: Part 1

In this lesson sequence students survey and collect data concerning what is brought to school each day and subsequently becomes rubbish. They then use Excel to represent that data in a variety of different ways.

Text

Science principles in traditional Aboriginal Australia

This is an illustrated article about how Aboriginal people's traditional knowledge demonstrates an understanding of physics, biology and chemistry and how Aboriginal people gather knowledge through observation, testing, trial and error, adapting and retesting. Written by Kudjala/Kalkadoon Elder from Queensland Letitia ...

Interactive

Thermal comfort – sustainability action process (Years 3–6)

This thermal comfort learning resource will guide students through an extended school based investigation. Students will develop and implement a chosen sustainability action and then evaluate and reflect on their success and their learning.

Online

Carbon clues

Carbon is all around us and available to us in many different forms, yet we can’t see it and often we don’t even know it’s there – using a detective story setting students sift through clues to build an understanding of carbon and the implications of its use. The unit includes PDF resources and video quiz challenges for ...

Video

Sam the Lamb: Does wool burn?

This short entertaining video, narrated by ‘Sam the Lamb’ and 'Professors' Madeleine and Daisy test which fabrics burn easily and which fabrics are the most flame resistant. Sam and his science team test the flammability of a range of synthetic and natural fabrics including polyester, polar fleece, cotton and wool.

Video

The secret chamber of the Anti-Bubble

Bubble-hunters Doctor Ruby and Bunsen Bernie have to solve just one more challenging bubble test before they can enter the Chamber of the Anti-Bubble. They have to make a cubic bubble! This is part two of a two-part episode.

Interactive

The Orb

The Orb is a collection of multimedia learning resources about Tasmanian Aboriginal histories and cultures. It explores the interconnections between people, Country, culture, identity, and the living community. The multimedia resources have between three and five sections in which Tasmanian Aboriginal people share their ...

Interactive

Fair test

Run experiments in a plant research laboratory. Investigate the effects of different variables on the growth of lettuces, peas and tomatoes. Research the answers to questions about how to achieve optimum hydroponic growth conditions. Examine the effect of key variables on growth: nitrogen, temperature, light intensity and ...

Video

Alpacas: no hump but spits like a camel

Meet Kai the alpaca, an animal that is a bit like a camel. Listen as Cassandra talks about the alpaca's fleece (body covering), how it lives in herds and what it eats. See the two types of alpaca breed: Huacaya and Suri. How are they different? The clue is in their fleece.