Learn on PengiVocabulary from Classical Roots (Book 6)Chapter 4: Lessons 13-15

Lesson 14: Illuminating

In Lesson 14 of Chapter 4 from Vocabulary from Classical Roots Book 6, Grade 4 students explore the Latin and Greek roots spir (breath/alive), photo (light), and flam (fire) to build vocabulary. Students learn ten words including respiration, photosynthesis, flammable, and inflammation, practicing how root meanings unlock word definitions. Exercises reinforce skills through synonym matching, context clues, and a paragraph completion activity using the lesson vocabulary.

Section 1

The Root 'spir': Breath and Life

Let's breathe some life into your vocabulary with words from the Latin root 'spir,' which means 'breath' or 'alive.'

Key Words

WordDefinition
inspire (v.)To motivate, guide, or influence; to give hope and courage
perspire (v.)To cool the body by emitting water through the pores; to sweat
respiration (n.)The act of breathing
spirited (adj.)Having inner drive; lively; excited

📝Example Usage:

  • The author's goal was to inspire young readers with stories of courage and adventure.
  • After running the marathon, the athletes would perspire heavily, so they needed to rehydrate.

🧠Memory Trick:

  • The spirited coach's speech did more than just inspire the team; it made them perspire with effort and left them checking their heavy respiration.

Section 2

The Root 'photo': All About Light

Let's shine a light on these words that all come from the Greek root 'photo,' meaning 'light.'

Key Words

WordDefinition
photogenic (adj.)Looking attractive when photographed
photosynthesis (n.)The formation of food in plants by means of sunlight
telephoto (adj.)A type of camera lens that makes it possible to take a close-up picture of a distant object

📝Example Usage:

  • My dog is surprisingly photogenic and always seems to pose perfectly for the camera.
  • A wildlife photographer used a powerful telephoto lens to get a shot of a rare bird without disturbing it.

🧠Memory Trick:

  • The photogenic scientist took a picture with a telephoto lens of a rare flower known for its unique method of photosynthesis.

Section 3

The Root 'flam': Feeling the Heat

Things are heating up with our next set of words, all related to the Latin root 'flam,' which means 'fire.'

Key Words

WordDefinition
flamingo (n.)A bird with a long neck, long legs, and pink or red feathers
flammable (adj.)Easily set on fire; able to burn
inflammation (n.)A condition of soreness, swelling, irritation

📝Example Usage:

  • The warning label clearly stated that the spray can contained flammable materials and should be kept away from heat.
  • After twisting his ankle, he noticed significant inflammation and swelling around the joint.

🧠Memory Trick:

  • The zookeeper warned that the cleaning fluid was flammable and could cause skin inflammation, so it must be kept far from the flamingo enclosure.

Book overview

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Chapter 4: Lessons 13-15

  1. Lesson 1

    Lesson 13: Belonging

  2. Lesson 2Current

    Lesson 14: Illuminating

  3. Lesson 3

    Lesson 15: Changing

Lesson overview

Expand to review the lesson summary and core properties.

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Section 1

The Root 'spir': Breath and Life

Let's breathe some life into your vocabulary with words from the Latin root 'spir,' which means 'breath' or 'alive.'

Key Words

WordDefinition
inspire (v.)To motivate, guide, or influence; to give hope and courage
perspire (v.)To cool the body by emitting water through the pores; to sweat
respiration (n.)The act of breathing
spirited (adj.)Having inner drive; lively; excited

📝Example Usage:

  • The author's goal was to inspire young readers with stories of courage and adventure.
  • After running the marathon, the athletes would perspire heavily, so they needed to rehydrate.

🧠Memory Trick:

  • The spirited coach's speech did more than just inspire the team; it made them perspire with effort and left them checking their heavy respiration.

Section 2

The Root 'photo': All About Light

Let's shine a light on these words that all come from the Greek root 'photo,' meaning 'light.'

Key Words

WordDefinition
photogenic (adj.)Looking attractive when photographed
photosynthesis (n.)The formation of food in plants by means of sunlight
telephoto (adj.)A type of camera lens that makes it possible to take a close-up picture of a distant object

📝Example Usage:

  • My dog is surprisingly photogenic and always seems to pose perfectly for the camera.
  • A wildlife photographer used a powerful telephoto lens to get a shot of a rare bird without disturbing it.

🧠Memory Trick:

  • The photogenic scientist took a picture with a telephoto lens of a rare flower known for its unique method of photosynthesis.

Section 3

The Root 'flam': Feeling the Heat

Things are heating up with our next set of words, all related to the Latin root 'flam,' which means 'fire.'

Key Words

WordDefinition
flamingo (n.)A bird with a long neck, long legs, and pink or red feathers
flammable (adj.)Easily set on fire; able to burn
inflammation (n.)A condition of soreness, swelling, irritation

📝Example Usage:

  • The warning label clearly stated that the spray can contained flammable materials and should be kept away from heat.
  • After twisting his ankle, he noticed significant inflammation and swelling around the joint.

🧠Memory Trick:

  • The zookeeper warned that the cleaning fluid was flammable and could cause skin inflammation, so it must be kept far from the flamingo enclosure.

Book overview

Jump across lessons in the current chapter without opening the full course modal.

Continue this chapter

Chapter 4: Lessons 13-15

  1. Lesson 1

    Lesson 13: Belonging

  2. Lesson 2Current

    Lesson 14: Illuminating

  3. Lesson 3

    Lesson 15: Changing