Science Unit 6D: Reversible and irreversible changes

Is a new material made when plaster of Paris is mixed with water?    Choose Yes No

How do you know? Choose It's become solid and/or the texture has changed A gas has been produced I can get the materials back

Is this change reversible?   Choose Yes No

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Is a new material made when you bake a cake?   Choose Yes No

How do you know?   Choose It's become solid and/or the texture has changed A gas has been produced I can get the materials back

Is this change reversible?   Choose Yes No

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Is a new material made when you mix lemon juice with baking soda?   Choose Yes No

How do you know?   Choose It's become solid and/or the texture has changed A gas has been produced I can get the materials back

Is this change reversible?   Choose Yes No

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Is a new material made when you mix salt with water?   Choose Yes No

How do you know?   Choose It's become solid and/or the texture has changed A gas has been produced I can get the materials back

Is this change reversible?   Choose Yes No

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Is a new material made when you add indigestion tablets to water?   Choose Yes No

How do you know?   Choose It's become solid and/or the texture has changed A gas has been produced I can get the materials back

Is this change reversible?   Choose Yes No

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Is a new material made when you grill pork chops?   Choose Yes No

How do you know?   Choose It's become solid and/or the texture has changed A gas has been produced I can get the materials back

Is this change reversible?   Choose Yes No

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Is a new material made when you melt chocolate?   Choose Yes No

How do you know?   Choose It's become solid and/or the texture has changed A gas has been produced I can get the materials back

Is this change reversible?   Choose Yes No

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Is a new material made when you bake a bread dough?   Choose Yes No

How do you know?   Choose It's become solid and/or the texture has changed A gas has been produced I can get the materials back

Is this change reversible?   Choose Yes No

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Is a new material made when you make pancakes?   Choose Yes No

How do you know?   Choose It's become solid and/or the texture has changed A gas has been produced I can get the materials back

Is this change reversible?   Choose Yes No

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Is a new material made when you mix cement with water?   Choose Yes No

How do you know?   Choose It's become solid and/or the texture has changed A gas has been produced I can get the materials back

Is this change reversible?   Choose Yes No

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