Unicellular and Multicellular Lesson

Help students discover how living things are made of one cell or many cells through this engaging and interactive Grade 7 Science lesson.

This ready-to-use PowerPoint introduces students to cells as the basic unit of life before exploring the differences between unicellular and multicellular organisms. Through prediction activities, comparisons, sorting challenges, real-world examples, and assessments, students build a strong understanding of how living organisms are classified according to the number of cells they contain.

What’s Included?
38 Interactive PowerPoint Slides
Learning Objectives
Success Criteria
Engaging Prediction Activity
Vocabulary Development
What Is a Cell?
Life Processes
Why Cells Are Important
Unicellular Organisms
Multicellular Organisms
Characteristics of Each Group
Examples of Organisms
Compare and Contrast Charts
Interactive Classification Activity
Sorting Challenge
Real-Life Connections
True or False Assessment
Lesson Summary
Exit Ticket
Answer Keys
Learning Objectives

Students will be able to:

Define unicellular and multicellular organisms.
Differentiate unicellular and multicellular organisms.
Classify organisms according to the number of cells.
Explain why all living things are made of cells.
Apply scientific reasoning to classify unfamiliar organisms.
Why Teachers Love This Resource
Ready-to-Teach
Highly Visual and Engaging
Interactive Activities
Student-Friendly Explanations
Inquiry-Based Learning
Real-Life Examples
Assessment Included
Answer Keys Included
No Preparation Required
Topics Covered
Cells
Cell Theory
Living Things
Unicellular Organisms
Multicellular Organisms
Bacteria
Amoeba
Paramecium
Yeast
Plants
Animals
Fungi
Classification
Scientific Observation
Biology
Life Science