2. I got fingerprints from all my family members. I studied them with my magnifying glass.
3b. I examined four different substances: salt, sugar, baking soda, and cornstarch. It was cool to see the cornstarch and baking powder start to bubble when I added vinegar.
4c. We watched Youtube videos about the different kind of animals that can help in police work. There were horses, dogs, rats, and a flock of geese.
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