7th:
1. What is the difference between area and volume?
2. What are the formulas for area and volume? What are the units?
3. How would you calculate the volume of a rectangular piece of metal?
4. If you were handed a small rock, could you measure it's volume? How?
8th:
1. Can you name the important organelles in a human cell?
2. Can you identify the functions of these organelles?
3. What is cell reproduction? How does it work?
