Changing States Unit Plan

Unit Plan

Changing States Unit Plan

6 x Lessons |1 x Assessment | Suitable for Grade: 3

This Chemical Sciences unit addresses how changes in state from solid to liquid and liquid to solid can be caused by adding or removing heat.

It consists of 6 lessons of approximately 60 minutes duration.

The sequence of lessons and suggested time frames should be regarded as a guide only; teachers should pace lessons in accordance with the individual learning needs of their class.

An assessment task for monitoring student understanding of the unit objectives is included and will require an additional lesson.

Teachers are encouraged to collect samples of students’ work throughout the unit to add to a learning portfolio. These can also be used to assess students’ understanding of the unit objectives.

 Overview

Objectives

  • To establish that matter can be classified as solid, liquid or gas.
  • To explore the properties of solids, liquids and gases.
  • To observe how a change of state between solid and liquid can be caused by adding or removing heat.
  • To investigate what happens when heat is applied to a range of solids.
  • To investigate what happens when heat is removed from a range of liquids.
  • To explore how changes from solid to liquid and liquid to solid can help in the process of recycling plastic.

Preparing for Learning

This Science unit provides excellent opportunities for cross-curricular integration. Look for ways to meaningfully integrate the content of the unit with other learning areas e.g. Literacy and Numeracy.

Prior to commencing the unit, develop a classroom display which focuses on states of matter. Display postersword wall vocabulary and learning goals that the students will engage with throughout the unit to stimulate their learning. For examples of additional teaching resources to display in your classroom, browse the States of Matter collection on the Teach Starter website.

The lessons and science experiments within this unit are structured in accordance with the scientific method. Ensure that the students are familiar with this process before commencing the unit. A comprehensive lesson plan addressing the concepts of fair testing in Science can be downloaded here.

Some of the resources that accompany this unit plan will need to be prepared prior to teaching. For this reason, it is advised that teachers browse through all lessons before commencing the unit.

 Lessons

60 minutes
Lesson 1

What State?

A 60-minute lesson in which students will establish that matter can be classified as solid, liquid or gas.

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60 minutes
Lesson 2

The Three States of Matter

A 60-minute lesson in which students will explore the properties of solids, liquids and gases.

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60 minutes
Lesson 3

Changing States

A 60-minute lesson in which students will observe how a change of state between solid and liquid can be caused by adding or removing heat.

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60 minutes
Lesson 4

Adding Heat

A 60-minute lesson in which students will investigate what happens when heat is applied to a range of solids.

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60 minutes
Lesson 5

Removing Heat

A 60-minute lesson in which students will investigate what happens when heat is removed from a range of liquids.

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60 minutes
Lesson 6

Recycling Case Study – Soft Plastics

A 60-minute lesson in which students will explore how changes from solid to liquid and liquid to solid can help in the process of recycling plastic.

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60 minutes
Lesson 7 (Assessment)

Changing States – Assessment

An assessment task in which students will demonstrate knowledge and understanding of how adding and removing heat can cause solids and liquids to change states.

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  Australian Curriculum alignment


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