Plants Vocabulary Worksheet for 6th Grade Science - TeacherVision - Free Printable

Problem Description:

The image provided is an educational resource explaining the process of photosynthesis in plants. The task appears to be related to understanding and explaining how photosynthesis works, as described in the text and diagram.

Key Elements from the Image:

1. Photosynthesis Definition: Plants use sunlight, carbon dioxide, and water to produce glucose (food) and oxygen.
2. Chemical Equation:
\[
\text{carbon dioxide} + \text{water} + \text{light energy} \xrightarrow{\text{chlorophyll}} \text{glucose} + \text{oxygen}
\]
3. Diagram: Shows the inputs (carbon dioxide, water, light energy) and outputs (glucose, oxygen) of photosynthesis, with chlorophyll playing a central role.

Solution Explanation:

#### Step 1: Understanding Photosynthesis
Photosynthesis is the process by which plants, algae, and some bacteria convert light energy (usually from the sun) into chemical energy stored in glucose. This process is crucial for life on Earth because it provides the primary source of energy for nearly all organisms and produces oxygen as a byproduct.

#### Step 2: Inputs of Photosynthesis
- Light Energy: Captured by chlorophyll in the plant's leaves. Chlorophyll is a green pigment that absorbs sunlight, especially in the blue and red wavelengths.
- Carbon Dioxide (CO₂): Absorbed from the atmosphere through small openings in the leaves called stomata.
- Water (H₂O): Absorbed from the soil by the plant's roots.

#### Step 3: Outputs of Photosynthesis
- Glucose (C₆H₁₂O₆): A simple sugar that serves as food for the plant. It is used for energy and growth.
- Oxygen (O₂): Released into the atmosphere as a byproduct.

#### Step 4: Role of Chlorophyll
Chlorophyll is essential because it captures light energy and converts it into chemical energy. Without chlorophyll, photosynthesis would not occur, and plants would starve.

#### Step 5: Chemical Equation Recap
The overall equation for photosynthesis is:
\[
6 \text{CO}_2 + 6 \text{H}_2\text{O} + \text{light energy} \xrightarrow{\text{chlorophyll}} \text{C}_6\text{H}_{12}\text{O}_6 + 6 \text{O}_2
\]
This means:
- 6 molecules of carbon dioxide and 6 molecules of water, along with light energy, are converted into 1 molecule of glucose and 6 molecules of oxygen.

#### Step 6: Importance of Photosynthesis
- Energy Source: Glucose produced during photosynthesis is the primary energy source for the plant and, indirectly, for other organisms that consume the plant.
- Oxygen Production: Oxygen released during photosynthesis is essential for the survival of aerobic organisms, including humans.

Final Answer:

The process of photosynthesis involves plants using light energy, carbon dioxide, and water to produce glucose and oxygen. Chlorophyll plays a critical role in capturing light energy. The chemical equation for photosynthesis is:
\[
6 \text{CO}_2 + 6 \text{H}_2\text{O} + \text{light energy} \xrightarrow{\text{chlorophyll}} \text{C}_6\text{H}_{12}\text{O}_6 + 6 \text{O}_2
\]
This process is vital for providing energy to plants and producing oxygen for life on Earth.

\boxed{\text{Photosynthesis is the process by which plants use light energy, carbon dioxide, and water to produce glucose and oxygen, with chlorophyll playing a key role.}}