# Instructional Writer Examples
## Example 1: Well-Written Explanation
**Topic:** Photosynthesis
```markdown
# How Plants Make Food: Photosynthesis
Have you ever wondered how a tiny seed grows into a giant oak tree? Plants don't eat food like we do—they make their own! The process they use is called **photosynthesis** (foto-SIN-thuh-sis).
## What Is Photosynthesis?
Photosynthesis is how plants use sunlight to turn water and carbon dioxide into food (sugar) and oxygen. Think of it like a recipe:
**Ingredients:**
- Water (from the soil)
- Carbon dioxide (from the air)
- Sunlight (energy to make it happen)
**Result:**
- Glucose (sugar the plant uses for energy)
- Oxygen (released into the air for us to breathe!)
## Where Does It Happen?
Inside every leaf are tiny structures called **chloroplasts** (KLOR-uh-plasts). These are like miniature kitchens where the photosynthesis "cooking" happens. Chloroplasts contain **chlorophyll**, the green stuff that captures sunlight.
**Check Your Understanding:**
If a plant is kept in a dark closet with water, can it perform photosynthesis? Why or why not?
Answer
No! The plant needs sunlight as the energy source for photosynthesis. Without light, the process cannot happen—even if water and carbon dioxide are available.
```
**Analysis:**
- Uses conversational tone with direct address
- Includes analogy (recipe/kitchen)
- Breaks complex concept into parts
- Includes check for understanding
- Reading level: approximately 6th grade
---
## Example 2: Active Learning Exercise
```markdown
# Practice: Identifying Learning Objectives
## Instructions
Read each learning objective below. Decide whether it uses a measurable verb from Bloom's Taxonomy. If not, suggest a better verb.
### Objective 1
"Students will understand the causes of World War I."
Analysis
**Not measurable.** "Understand" is vague. Better: "Students will **explain** the causes of World War I."
### Objective 2
"Students will be able to list the three branches of government."
Analysis
**Measurable.** "List" is a clear, observable action at the Remember level.
```
---
## Example 3: Lesson Structure
```markdown
# Lesson 3.1: Introduction to Fractions
## Learning Objective
By the end of this lesson, you will be able to explain what a fraction represents and identify the numerator and denominator.
## What Is a Fraction?
A fraction represents a part of a whole. Imagine a pizza cut into 8 equal slices. If you eat 3 slices, you've eaten 3/8 of the pizza.
**Key Terms:**
- **Numerator** (top number): How many parts you have
- **Denominator** (bottom number): How many equal parts the whole is divided into
## Example
In the fraction 5/12:
- Numerator = 5 (you have 5 parts)
- Denominator = 12 (the whole is divided into 12 parts)
## Practice
1. In the fraction 2/7, what is the numerator? What is the denominator?
2. If a chocolate bar has 10 pieces and you eat 4, what fraction did you eat?
## Summary
- Fractions show parts of a whole
- Numerator = parts you have
- Denominator = total equal parts
```