Photosynthesis Starts With Answer Key Site

“Don’t worry,” said Ms. Green, the science teacher. “Let’s figure out what’s wrong by remembering: sunlight.”

Ms. Green continued, “ these three ingredients: sunlight, water, and carbon dioxide. Inside the leaves, tiny structures called chloroplasts capture the sun’s energy. That energy splits water into hydrogen and oxygen. Then, the hydrogen combines with carbon dioxide to make glucose—plant food. Oxygen is released as a byproduct.” photosynthesis starts with answer key

Within an hour, Fronda’s leaves began to perk up. By afternoon, she was vibrant green again. “Don’t worry,” said Ms

Leo frowned. “But the sun is shining right on her.” Then, the hydrogen combines with carbon dioxide to

They checked the soil. It was dry as dust. Leo watered Fronda immediately.

“Exactly,” said Ms. Green. “And remember: sunlight—but without water and CO₂, it’s just a sunny day, not a meal.” Answer Key (for review or quiz) Use these answers to check understanding of the story.