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The Volume Container block creates an interactive container that can be filled with liquid to demonstrate volume and capacity concepts. Learners can see the liquid level change and read measurements from graduation marks.

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When to use Volume Container blocks

Volume Container blocks work well for:
  • Teaching volume and capacity measurement
  • Demonstrating liquid measurement units (mL, L)
  • Reading graduated scales and estimating volumes
  • Exploring fractions and percentages of a total capacity
  • Visualizing addition and subtraction of liquid amounts

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Settings

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Volume settings

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Total volume
slider
default:"1000"
The maximum capacity of the container (0 to 1000).
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Initial volume
slider
default:"500"
The starting amount of liquid in the container (0 to 1000).
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Volume unit
text
default:"mL"
The unit label displayed alongside the volume (e.g., mL, L, cups).

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Display settings

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Show volume
switch
default:"true"
When enabled, displays the current volume as a number.
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Show percentage
switch
default:"true"
When enabled, displays the fill level as a percentage.
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Show graduation values
switch
default:"true"
When enabled, displays numeric labels alongside the graduation marks.
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Show number sentence
switch
default:"true"
When enabled, displays a number sentence representing the current volume.
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Graduation count
slider
default:"10"
The number of graduation marks on the container (1 to 100).
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Liquid color
color
default:"#0000FF"
The color of the liquid in the container.

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Tips for teachers and parents

Best practices:
  • Start with a total volume of 1000 mL for standard metric measurement activities
  • Use 10 graduation marks for easy reading, or increase the count for more precise measurements
  • Hide the volume display to create estimation activities (“How much liquid is in the container?”)
  • Show the percentage alongside the volume to connect fractions, decimals, and percentages
  • Change the liquid color to match the context of your activity (blue for water, orange for juice)
  • Use multiple containers side by side to compare volumes
  • Change the volume unit to match your local measurement system
  • Thermometer: For temperature measurement displays
  • Ruler: For length measurement displays