SCIENCE

1. Which of the following nutrients is used to build and repair cells?
4. This is the structure in plant cells that captures the sun's energy and changes it into chemical energy.
5. The study of interactions between organisms and their environment is called_____
6. Which term refers to the number of protons in an atom and helps to place elements on the Periodic Table?
8. On the Periodic Table, elements that are in the same vertical column are considered to be in the same_____
10. A species in danger of becoming extinct in the near future is referred to as a(an)_________species.
12. Which area of Earth science includes the study of stars?

2. What is the hormone responsible for causing sudden emotional changes and sexual feelings that occur in males during puberty?
3. The breaking down of rocks on the earth's surface is ____
7. Which body system pumps and transports the blood to all parts of the body as well as supply oxygen and remove waste products from body tissues?
9. The outer layers of plants, fungi and some protist cells which support and protect the cell are called the _____
11. On the Periodic Table, all elements that are in the same horizontal rows are considered to be in the same ____