Question 2 ( 6 marks) Given the sets: \[ \begin{aligned} \mathrm{A}=\{\text { Dave, Sara }\} \\ \mathrm{B}=\{\text { cake, pie, ice cream }\} \\ \text { a) What is the Cartesian prod } \\ \text { b) How many elements are in } \\ \text { marks) } \\ \text { c) } \begin{array}{l}\text { Interpret what each pair in } \\ \text { if A represents people and } \\ \text { desserts.(2 marks) }\end{array}\end{aligned} . \]

13. Describe the difference between inherent and external overload protection. 14. What is the purpose of thermal overload protection at the motor?

1. What is a field study?

5- ¿Cuáles son las dimensiones de un balón de voleibol?

1. At the beginning of this task, you were asked to make predictions about the science behind various phenomena. For each of the following phenomenon explain why they happen. Cite evidence from stations in task 1 to support your answer. - Day and night - Seasons (fall, winter, spring, summer) - Phases of the moon - Night sky changes throughout the year - Eclipses 2. In this task, we focused on the crosscutting concepts of: - Patterns: Graphs, charts, and images can be used to identify patterns in data. What activities did we do that used patterns? What did we learn from these activities?

11. Comparando as revoltas estudadas - Balaiada, Sabinadae Cabanagem - qualis são os pontos em comum quanto ao desfecho?