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Science Unit 6d- Reversible and irreversible changes. (Short Unit)

                                                  This unit is aimed at children in Year 6.

      A selection of resources to support the teaching of QCA Science Unit 6d: Reversible and irreversible changes.

                                                  For a complete list of what's included see the table below.   

   

Files Included in this Download

Resource Name

Format

Objectives

Resource Details

Vocabulary for unit

(21 pages)

Vocabulary to be used during this unit

Cards of words that may be used throughout this unit (63 cards / words 3 on each sheet)

Different changes quiz

 (2 pages)

To know about the different aspects in this unit

Choose the answer from the three given answers. 1 page of questions, one answer page

Match the cards

(8 pages)

To know about the different aspects in this unit

Cut out and match the answers to the questions about reversible and irreversible changes

Mix substances with water and predict the outcome

(1 page)

To know that mixing materials can cause them to change

 

Mix the given substances with water and predict the outcome

 

Soluble or insoluble

 (1 page)

To make careful observations, record and explain these using scientific knowledge and understanding

Definition of relevant words and complete recordings of whether given materials are soluble or insoluble

Statements on reversible and irreversible changes

(3 pages)

To make careful observations, record and explain these using scientific knowledge and understanding

Comment on each statement using scientific language and observations

Filtration and evaporation cloze

 (1 page)

To know that insoluble materials can be separated by filtering and solids which have dissolved can be recovered by evaporating the liquid from the solution

Use the given  words to complete the sentences about filtering and evaporation

 

Filtering

(1 page)

To know that insoluble materials can be separated by filtering and solids which have dissolved can be recovered by evaporating the liquid from the solution

Find out if the given mixtures can be separated by filtering

How filtering can separate different solids and liquids

(1 page)

To know that insoluble materials can be separated by filtering and solids which have dissolved can be recovered by evaporating the liquid from the solution

Statements about filtering. Decide what you think. Give reasons for your decision.

 

Reversible or Irreversible changes

( 1 page)

To know that some changes that occur when materials are mixed cannot easily be reversed

Definition of reversible and irreversible. Fill in sentences and choose whether process is reversible or irreversible

Reversible or irreversible

(1 page)

To know that some changes that occur when materials are mixed cannot easily be reversed

Indicate which product can or cannot be reversed to its original substance

 

Baking reversible or irreversible

(1 page)

To know that some changes that occur when materials are mixed cannot easily be reversed

Observing and recording sizes and changes of dough and bread

Heating and Cooling

 (2 page)

To  know that heating some materials can cause them to change

To  know that cooling some materials can cause them to change

Explanation about changes in heating and cooling. Page to answer which of the processes are reversible / irreversible

Making Rice Krispie cakes

(2 pages)

To  know that heating some materials can cause them to change

To  know that cooling some materials can cause them to change

Recipe to make Rice Krispie cakes. Comment on the changes in state of the chocolate by answering the questions etc.

Burning Materials

 (2 pages)

To know that when materials are burned, new materials are formed

To  know that the changes that occur when most materials are burned are not reversible

To recognise and assess hazards and risks in burning materials

Using the pictures to help find the multiple choice answer for each question

Burning

Reversible and Irreversible Changes

 (1 page)

To  know that the changes that occur when most materials are burned are not reversible

Record appearance of materials before and after they have been burnt

Heating

Reversible and Irreversible Changes

(1 page)

To  know that the changes that occur when most materials are burned are not reversible

Observing and recording the appearance of materials before and after heating

   

 

   

 

   

 

   

 

   

 

   

 

   

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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