On Thursday, January 7 and Friday, January 8, 2021 our class completed a "Coloured Ice Cube" experiment! It was a fun way to introduce the scientific method and look at solids, liquids and gasses.
Coloured Ice Cube Experiment
Questions:
Materials:
Process:
Hypothesis:
Observations:
We answered our own questions:
We had some new observations:
We took pictures throughout the day to show how the solid ice turned into liquid water.
Coloured Ice Cube Experiment
Questions:
- Will the ice cubes be the colours we put in?
- Will we know the ice cubes are the colours we put in?
- Why are we going to make the different colours with the ice?
- Why are we going to make the ice into colour ice?
Materials:
- Buckets and lid
- Food colouring 25 - drops each of red, blue, and yellow
- Ice cube trays
- Water
- Spoon
- Paper towel
- Clear cups
Process:
- Colour water in 3 tubs using 26 drops of food colouring. Make 1 bucket red, one bucket yellow and 1 bucket blue.
- Pour coloured water into ice cube trays and freeze for 17 hours, or overnight.
- Use the frozen coloured ice cubes to make other colours. (We put 3 cubes in each cup: 3 blue, 2 blue and 1 red, 1 blue and 2 red, etc.)
Hypothesis:
- The water will make ice cubes.
- All the colours will mix.
- The colour will be all around the ice cube. Is the colour going to go inside the ice?
- They will turn into ice cubes and mix the colours.
- The water will turn into coloured ice cubes.
- The ice will all be the same colour.
- They will turn into ice cubes.
- They will look like ice cubes.
- They will be cold.
- The colours will mix and turn into new colours.
- The colours will turn into ice.
- Colours will turn into ice.
Observations:
We answered our own questions:
- Will the ice cubes be the colours we put in? - Red turned pink. Red had the lowest amount of colour, blue had the second most amount and yellow had the most amount (saturation). The colour settled in the ice cube and only coloured the bottom of the ice cube – red
- Will we know the ice cubes are the colours we put in? - Yes, we knew the ice cubes are the colours we put in.
- Why are we going to make the different colours with the ice? Why are we going to make the ice into colour ice? -
We had some new observations:
- The ice started to melt right away.
- The ice cubes got tiny.
- Some of the ice cubes are green.
- The colours turned into a rainbow (when we put the cubes into cups).
- It took a while for them to melt.
- It took until after snack (time) to melt.
- They are mixing colours.
- The ones with 3 cubes of the same colour stayed the same colour.
- The big bucket of ice cubes, with all the colours, made a dark brown.
- The big bucket took longer to melt.
- It melted.
We took pictures throughout the day to show how the solid ice turned into liquid water.