irreversible_changes

irreversible_changes - Word bank melt, toast, burn, change...

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Group 1 - MIXING Reversible and Irreversible Changes Materials Prediction Reversible / Irreversible? Observation after mixing Bicarbonate of soda + water Bicarbonate of soda + vinegar Soda + lemon juice Soda + vinegar Soda + water Baking powder + water Which of the three liquids tend to dissolve the solids? Which of the three liquids tend to react with them/makes gases? What is the name of this type of liquid? Why does the baking powder react differently with water? Group 2 - BURNING Reversible and Irreversible Changes Material Appearance before burning Reversible / Irreversible? How? Observation after burning Reversible / Irreversible? How?
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Paper Metal Candle String Wood Plastic Charcoal Fabric Group 3 - HEATING Reversible and Irreversible Changes Material Appearance before heating Reversible / Irreversible? Observation after burning Reversible / Irreversible? How?
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Chocolate Butter Bread Ice Bread dough Sugar Wax Salt Water
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Unformatted text preview: Word bank melt, toast, burn, change colour, cook Group 4 Plaster of Paris Reversible and Irreversible Changes Write and draw about what happens when using Plaster of Paris? Write and draw about what other substances that have similar properties to plaster e.g. cement, be used for? Group 5 BAKING Reversible and Irreversible Changes Before leaving dough to rise After dough is left to rise Height Diameter Weight (remember to take away the weight of container from total) Write and draw about what happened when making dough rise? Word bank dough, rise, risen, bake, ingredients, knead, What causes dough to rise? ____________________________________________________ ___________________________________________________________________ ________ ___________________________________________________________________ ________...
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irreversible_changes - Word bank melt, toast, burn, change...

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