Dissolving in Y5A Tuesday, 18th September · by Herringthorpe · in News & Events. · This week we have been planning, using a Fair Test, to find out which of the powders we tested would dissolve. It was a little messy but we had great fun developing our scientific skills. Share this:Click to share on Twitter (Opens in new window)Click to share on WhatsApp (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Pinterest (Opens in new window)Like this:Like Loading...