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Science / Year 3 / Science Understanding / Chemical sciences

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Curriculum content descriptions

A change of state between solid and liquid can be caused by adding or removing heat (ACSSU046)

Elaborations
  • investigating how liquids and solids respond to changes in temperature, for example water changing to ice, or melting chocolate
  • exploring how changes from solid to liquid and liquid to solid can help us recycle materials
  • predicting the effect of heat on different materials
ScOT terms

Heat,  Melting,  Freezing (Phase transformation)

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 ...

Interactive

Earth rotation: night and day

Watch an animation of the Earth rotating in space showing day and night, the equinox where locations on Earth experience close to equal hours of daytime and night-time (12 hours) and views of the Earth from above the North and South Poles. Turn an animated model of the Earth to explore how rotation is related to night and ...

Interactive

Science Talk 2007: Ruben Meerman

Find out what happens when the ABC's Surfing scientist, Ruben Meerman visits Year 3 at Crown Street Public School with some liquid nitrogen! Ruben shows the Year 3 students what happens to solids and gases when they are cooled and warmed and relates this to real-world phenomena. Ruben also shows the kids some tricks with ...

Video

Temperature changes the properties of a substance

Substances that are very cold have different properties to substances that are hot. Watch as the Surfing Scientist uses hot and cold water, food colouring and a fish tank to demonstrate what happens when water at different temperatures is mixed together.

Video

Keeping cool in hot weather

Have you ever wondered why your face turns red when you run around? Discover what's going on under your skin when this happens, and how this helps you keep cool. See some of the clever ways that animals keep cool, too.

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.

Online

What's cooking

This is a resource for teachers about students conducting an investigation to compare two cups of tea, one made from solar-heated water and the other made from boiling water. The resource provides a summary of the student investigation and a link to a lesson plan. The lesson plan includes: student learning objectives; materials ...

Online

The penguin project: Connected Learning Experience (CLE)

This CLE investigates heat transfer and heat insulators. Students explore these concepts through the context of Emperor penguins who huddle together to reduce heat lost from their bodies to the surrounding cold air. This CLE provides teachers with two inquiry-based investigations supported by a teaching and learning plan, ...