What Is the 5E Model of Science Instruction?

The 5E Model of Science Instruction is an inquiry-based teaching framework that guides students through five phases of learning: Engage, Explore, Explain, Extend, and Evaluate.

Instead of beginning with a lecture or textbook reading, the 5E model begins with student curiosity. Students investigate questions, explore ideas through hands-on experiences, and build explanations based on evidence.

Teachers act as facilitators who guide the learning process through questions, investigations, and discussion.

Each phase builds on the previous one, helping students develop a deeper understanding of scientific concepts.

The five phases of the 5E instructional model are:

• Engagement
• Exploration
• Explanation
• Extension
• Evaluation

Each phase builds on the previous one, helping students develop a deeper understanding of scientific concepts.

The 5 Phases of the 5E Instructional Model

Phase	What Students Do	Teacher Role
Engage	Share prior knowledge and ask questions about the topic	Spark curiosity and identify misconceptions
Explore	Investigate through hands-on activities and experiments	Guide inquiry and encourage discussion
Explain	Discuss findings and connect ideas to scientific concepts	Introduce vocabulary and clarify understanding
Extend	Apply learning to new situations or investigations	Challenge students to deepen their thinking
Evaluate	Demonstrate understanding through discussion, writing, or assessment	Assess student learning and reflect on instruction

What Is the 5E Instructional Model?

The 5E instructional model is a student-centered approach to science instruction. Learning happens through inquiry, investigation, and discussion rather than through direct lecture.

Students explore ideas through hands-on experiences and guided questioning. The teacher supports the learning process by facilitating investigations, encouraging discussion, and helping students connect their observations to scientific concepts.

The 5E model was developed by the Biological Sciences Curriculum Study (BSCS) in 1987 and has become one of the most widely used frameworks for inquiry-based science instruction.

Because each phase builds on the previous one, the model creates a clear structure that teachers can use to design lessons, activities, and entire science units.

Why Teachers Use the 5E Model

Many science lessons follow a traditional pattern: read the textbook, listen to an explanation, and complete a worksheet or lab activity.

The 5E model changes that structure. Instead of starting with information, it starts with curiosity and investigation.

Teachers use the 5E instructional model because it:

• encourages inquiry and problem solving
• builds a deeper understanding of science concepts
• helps students connect new ideas to prior knowledge
• supports NGSS science practices
• increases student engagement during science lessons

Below is a brief overview of each phase of the 5E instructional model.

Stage 1: Engagement Phase

In the Engage phase, the teacher introduces the topic and connects it to students’ prior knowledge.

Students begin asking questions and sharing what they already know about the topic. During this stage, teachers often uncover misconceptions that students may have about the concept.

The goal of the engagement phase is to spark curiosity and prepare students for investigation.

Stage 2: Exploration Phase

During the Explore phase, students investigate the concept through hands-on activities.

Students work collaboratively to observe, collect data, and test ideas. They begin developing questions and possible explanations based on their experiences.

The teacher provides materials and guidance but avoids direct instruction during this stage.

Stage 3: Explanation Phase

In the Explain phase, students discuss what they observed during their investigations.

The teacher introduces scientific vocabulary and helps students connect their findings to key concepts.

This is the point where direct instruction occurs, but it builds on the experiences students already had during the exploration stage.

Stage 4: Extension Phase

During the Extend phase, students apply what they learned to new situations.

They may conduct additional investigations, compare related concepts, or apply the idea to real-world examples.

This stage strengthens understanding and helps students generalize scientific concepts.

Stage 5: Evaluation Phase

In the Evaluate phase, students demonstrate their understanding of the concept.

Evaluation can include discussions, written responses, projects, investigations, or traditional assessments.

Students may also reflect on how their understanding has changed since the beginning of the unit.

Why the 5E Model Works for Science Instruction

The 5E instructional model helps students move beyond memorizing science facts. Instead, they learn to think like scientists.

By investigating questions, discussing ideas, and applying knowledge to new situations, students build a deeper understanding of scientific concepts.

The model aligns closely with Next Generation Science Standards (NGSS) because students learn through inquiry, investigation, and evidence-based reasoning.

Free 5E Instructional Model Posters

If you teach science using the 5E instructional model, visual reminders can help students understand how the learning process works.

These printable posters show each phase of the inquiry cycle so students can see where they are during a lesson.

Many teachers display the posters on a classroom wall or near their science area so students can refer to them throughout the unit.

Students begin to recognize how each phase connects to the next and how their investigations fit into the overall learning cycle.

You can download the free printable posters below.

5E Instructional Units

We have created NGSS-aligned 5E Unit Plans for third and fourth grades. In these lessons, students are led through each NGSS Performance Expectation using the 5E Model of Instruction.

Third Grade 5E Units

Below are our third grade 5E units. There are 15 units for each of the NGSS 3rd grade standards.

5E Fourth Grade Units

Here are the 4th grade 5E Units:

Frequently Asked Questions About the 5E Model

Teachers often ask these common questions about the 5E instructional model.