Mystery Powder Lab

Which test did you do first?

• water reaction

• litmus reaction

• iodine reaction

• physical properties

Which reaction indicated the presence of starch?

• turned red

• turned black

• fizzy

• remained yellow

Which reaction determined the powder's acidity?

• physical properties

• water reaction

• litmus paper

• iodine reaction

Which did you observe with your eyeballs? ( didn't need any additional supplies)

• physical properties

• chemical properties

Who stole the necklace?

• Chef Joe

• Nanny Jan

• Farmer Bob

• Scientist Amy

How did you determine that Chef Joe had taken the necklace?

• the physical and chemical properties of the mystery powder matched his baking powder.

• I guessed!