Dissolving Science

On Monday, Mr. Macintyre came over and taught us about dissolving. Every table go 4 test tubes, a beaker, a test tube rack, 2 paintbrushes, a spoon and a substance (gravy, flour, washing powder, quinoa, yeast or raw sugar). We then got a recording sheet:

On the sheet we wrote things knew noticed, how long the substance took to dissolve, and other things we saw. The test tubes were one of each:

- Cold, no stirring

- Cold, with stirring

- Hot, no stirring

- Hot, with stirring

We used the paintbrush to stir the test tubes that needed to be stirred. We also had an iPad to time how long it took.