Circulatory System Functions Complete Science Lesson - New TEKS 7.13A

This complete unit provides middle school teachers with everything needed to teach the main functions and key components of the circulatory system. Students explore how oxygen and carbon dioxide are transported through the body, the major parts of the circulatory system, and common system-related diseases. The resource includes editable presentations, worksheets, student-choice projects, a differentiated station lab, and assessments. Designed for multiday instruction with minimal prep, it emphasizes student-led, differentiated learning so teachers can focus on supporting mastery.

Essential Questions for Students

• What are the main functions of the human organism’s circulatory system?

• How can we model the main functions of the circulatory system of the human organism?

Standards Alignment: Meets 2021 TEKS standard 7.13A.

Key Features

• Differentiated materials for students who need remediation or enrichment

• Multimodal learning activities to sustain engagement

• Flexible implementation—resources are provided in both printable and digital formats

• Editable PowerPoints to customize for your classroom

• Spanish translations of vocabulary, a station lab reading passage, and interactive notebook pages

Instructional Framework: The 5E Model

This lesson is built around the 5E instructional model—Engage, Explore, Explain, Elaborate, Evaluate—balancing inquiry, guided practice, and assessment.

Engage

• Objectives and Word Wall Cards (English & Spanish)

• Teacher file with class discussion prompts, activities, and notes on common misconceptions

Explore

• A nine-station, student-led lab introducing circulatory system functions, structures, and related diseases

Input Stations:

• Explore It! – Hands-on demonstration or experiment

• Read It! – Differentiated reading passages (English & Spanish) with comprehension checks

• Research It! – Guided online activity with structured student tasks

• Watch It! – Short video with reflection prompts

Output Stations:

• Organize It! – Printable and digital card sorts for categorization

• Write It! – Open-ended written responses in complete sentences

• Illustrate It! – Sketching/drawing circulatory system models

• Assess It! – Vocabulary-in-context and mastery-based questions

Bonus Station:

• Challenge It! – Enrichment tasks such as puzzles, games, and mini-projects for early finishers

Explain

• Editable PowerPoints in standard and interactive versions

• Interactive Notebook templates (digital & print, English & Spanish)

• Note-taking templates for student support

Elaborate

• Student-choice projects on circulatory system functions and models to extend learning

Evaluate

• Assessments updated for STAAR 2.0, with both standard and modified versions

• Review worksheets and discussion questions for practice, homework, or test review

Flexible Learning Options

This lesson works in both in-person and virtual classrooms. The digital station lab and interactive notebook templates are fully compatible with PowerPoint and Google Slides, making them easy to integrate into blended or online instruction.

This is a finished product; it will be updated with corrections as needed. Future improvements and new features will be sold as a separate product.