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Transcript

Materials

Materials:

-Espom salt

-Food colouring

-beaker, small cup, or a container

-Freezer

Procedure:

stir 1/2 cups of very hot tap water add some food coloring and espom salt then refrigerate for a few hours

Procedure:

stir 1/2 cups of very hot tap water for 1 min at least. Add a couple of food coloring, then refrigarate for a few hours.

Market Size

$26

3

54

Variables

Manipulated variable: We manipulate the temperature of the water.

Product

Responidng

variable: How fast the crystals grow

Controlled: how many materials we add.

Ttle

Controlled:

the amount of materials we add.

question and hypothesis

Crystals

Hypothesis:

The crystals will fill the container within a few hours

By: Natalia and Veronica!

Question

Question:

How come sometimes the crystals will take months to grow without the salt?

inference

The crystals will fill the container within a few hours

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