Civil War meets Photosynthesis

3. The 16th President of the United States who signed the Emancipation Proclamation.
8. A person who worked and campaigned to end the practice of slavery.
10. Tiny pores on the underside of a leaf that allow gases to enter and exit.
12. The era of rebuilding the South and the nation after the war ended.
14. The verb meaning to formally withdraw from a country or alliance.
15. The site in South Carolina where the first shots of the Civil War were fired.
16. The specialized tissue that transports water from the roots up to the leaves.
17. The gas that plants release into the air as a byproduct of making food.
19. An organism that can produce its own food using light, water, and carbon dioxide.
20. The specific organelle in a plant cell where photosynthesis takes place.

1. A common nickname used to describe a soldier fighting for the North.
2. The type of energy from the sun that is converted into chemical energy.
4. A tiny particle or bundle of light energy used by plants.
5. The gas that plants "breathe in" from the atmosphere to start the food-making process.
6. The name for the Northern states who remained loyal to the federal government.
7. The Pennsylvania battle considered the "turning point" of the war.
9. The type of sugar (food) created by plants during photosynthesis.
11. The group of 11 Southern states that seceded from the Union.
13. The courthouse location where General Robert E. Lee surrendered to Ulysses S. Grant.
18. The green pigment in plants that absorbs light energy from the sun.