SUSPENSIONS AND SOLUTIONS

HYPOTHESIS

How can you tell if a mixture is a suspension or a solution?

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MATERIALS & EQUIPMENT

3 jars
3 stir sticks
6 labels
measuring spoons
baking soda
baking powder
flour

LAB SAFETY AND PROTOCOL

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PROCEDURE

Label the jars with the names of the three substances.
Fill each of the jars half way with water.
Measure 1/8 teaspoon of each substance in the appropriate jar and stir.
Observe each mixture.
Which one is the solution? Why?

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Which one is the suspension? Why?

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Which one is the chemical reaction? What did you observe?

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CONCLUSION

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Copyright 1996, D.M.Candelora. All rights reserved. Reproduction for educational use is encouraged.