When Jade produces fireworks in chemistry lab, one of her friends calls it a great example of the "Bernoulli effect". Bernoulli's principle represents a relation between the velocity and pressure of fluid flow. It has nothing to do with fireworks.
When Yasmin is wearing a face mask and talking to Bubbie (before they start dancing) her hairstyle keeps changing. In some shots, two strands are coming from her forehead, and one is above each ear. In other shots, the forehead strands are gone. They change several times during the conversation.
After the announcement of Meredith's birthday party, the girls rush straight to a mall. They enter wearing different outfits than they wore school. When they enter a shop, they are in their school clothes.
When the Bratz girls dive to the ground, trying to save Principal Dimly's bronze statue, the crash mat they land on is clearly visible for a split second, followed by the view of the girls clearly crawling onto their stomachs.
Dylan is deaf, so he couldn't have known what to dance to at Meredith's Sweet 16 when she previewed Yasmin dancing "La Cucaracha". However, Dylan can lip read. From the dance Yasmin was doing in the video, it's not hard to guess what song it was.