In this activity children consider what other materials could be used to make bags and choose a suitable material to stop using plastic bags.
In this activity children look at the factors that affect dissolving to plan an investigation to find out the quickest method of removing the new gum.
In this activity children dissolve salt in water to make a saturated solution and investigate evaporation on the size of salt crystals grown.
In this activity children decide what information the cooker would need in order to cook the food without burning it.
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