Question

photosynthesis crossword
directions: fill in the boxes below with the words that complete the paragraph at the bottom of the page.
green plants make their own food in a process called (1) __________________________.
they need (2 across) ________________________ from the air and (8) ______________________ from the soil as well as (5) ______________________ from the (8) ______________________. the (2 across) ______________________ is collected through small openings on the underside of the plants leaves. each of these openings is called a (6) ______________________. the plant gains its characteristic green color from the chemical (2 down) ______________________, which is found in special cells / organelles called (4) ______________________. the leafs main job then is to make (3) ______________________, a form of sugar. during this food-making process (7) ________________________ is released by the plant into the air. that gas is essential for animal and human survival.

Explanation:

Each blank is filled with key terms related to the photosynthesis process, matching the number of boxes in the crossword and the context of the paragraph:

1. (1) is the overall process plants use to make food.
2. (2 across) is a gas plants take in from air.
3. (8) is a substance absorbed from soil.
4. (5) is another substance from soil/air.
5. (6) is the leaf opening for gas exchange.
6. (2 down) is the green pigment in plants.
7. (4) is the organelle where photosynthesis occurs.
8. (3) is the sugar produced by photosynthesis.
9. (7) is the gas released by plants.

Answer:

1. PHOTOSYNTHESIS
2. (across) CARBON DIOXIDE
3. WATER
4. MINERALS
5. STOMA
6. (down) CHLOROPHYLL
7. CHLOROPLASTS
8. GLUCOSE
9. OXYGEN

Crossword placement notes:

• 1 (13 boxes): PHOTOSYNTHESIS
• 2 across (12 boxes): CARBON DIOXIDE
• 2 down (6 boxes): CHLOROPHYLL
• 3 (6 boxes): GLUCOSE
• 4 (11 boxes): CHLOROPLASTS
• 5 (5 boxes): MINERALS
• 6 (6 boxes): STOMA
• 7 (12 boxes): OXYGEN
• 8 (5 boxes): WATER