Moon Phases Lesson Plan (TEKS 4.9B): A Complete 5E Lesson for Patterns of Change in the Moon

Inside the Patterns of Change in the Moon 5E Lesson

The 5E instructional model walks students through five phases: Engage, Explore, Explain, Elaborate, and Evaluate. It flips the traditional lecture-first sequence on its head. Students explore a concept hands-on before you ever explain it, which means by the time you do explain it, they have something to hook the vocabulary onto.

I switched to the 5E model years ago and stopped going back. Kids retain more, ask better questions, and stop staring at me waiting to be told the answer. The Patterns of Change in the Moon 5E Lesson is built on this framework from start to finish. Here's how it plays out across the five phases.

🎯 Engage

Day one is a teacher-led modeling activity with one flashlight (the Sun), one student holding a ball (the moon), and the rest of the class standing in a tight circle (Earth, all looking outward). Students rotate the ball-holder slowly around them and notice how the lit half of the ball seems to change shape from where each person is standing.

By the end of the period, kids have a labeled sketch of what they observed at eight different positions, drawn in their own hand, and they can describe in their own words how the lit side stays the same while the view from Earth changes. Nobody has heard the phase names yet. That's the point. They walk into the rest of the unit with a working mental model, not a memorized vocabulary list.

What's included in the Engage:

• Teacher directions for the flashlight-and-ball modeling activity
• Printable student observation sheet with eight positions to sketch
• Answer key for the discussion questions
• Four learning objective slides (standard verbatim, "Identify sequences and predict patterns" highlighted, "I CAN...", and "WE WILL...")
• An illustrated Word Wall in English and Spanish covering moon phase vocabulary

🔬 Explore

The Patterns of Change in the Moon Station Lab is the heart of the Explore phase. Students rotate through 8 stations (plus a 9th challenge station for early finishers) over one class period. The Station Lab is split into four input stations (where kids take in new information) and four output stations (where they show what they learned).

The four input stations:

• 🎬 Watch It! — Students watch a short video on the moon orbiting Earth and answer guided questions about what causes the phases.
• 📖 Read It! — A one-page reading passage at two differentiated levels, with a Spanish version included.
• 🔬 Explore It! — A hands-on Oreo modeling activity where students recreate all eight moon phases using cookies and frosting.
• 💻 Research It! — Reference cards with a labeled moon phase diagram, a lunar calendar, and the orbit sequence.

The four output stations:

• 📋 Organize It! — A card sort where students put the eight phases in the correct order around a moon orbit.
• 🎨 Illustrate It! — Students draw all eight phases in sequence and label each one.
• ✍️ Write It! — Three open-ended questions in complete sentences (this is where you see who really gets it).
• 📝 Assess It! — A short formative check with multiple choice and a fill-in-the-blank vocabulary paragraph.

Print and digital versions are both included. If you want the full breakdown of what happens at every single station, what students produce, and how to set it up, that's in our dedicated Station Lab post.

→ Read the full Patterns of Change in the Moon Station Lab walkthrough 8 stations, materials list, teacher tips

The Station Lab is included in the full 5E lesson. You don't need to buy it separately if you're getting the whole unit.

📚 Explain

Here's the real payoff of doing the Engage and Explore before the Explain: by the time kids hit this phase, they've already modeled the moon's orbit with a flashlight and built all eight phases out of Oreos. They have a working understanding before you ever start naming things. The discussions get deeper, the questions get sharper, and you spend less time defining and more time pushing their thinking.

The Patterns of Change in the Moon Presentation walks 4th graders through the full scope of TEKS 4.9B, one concept at a time, with diagrams and photos on nearly every slide. The deck opens with a quick reset on what we already know (the moon orbits Earth, the Sun lights up half of it, and from Earth we always see the same side). From there it builds out the sequence of phases that repeats every 29 and a half days.

Students learn the eight phases in order and the simple pattern that ties them together. The cycle starts with a new moon, the phase you can't really see because the lit half is pointed away from Earth. It grows into a waxing crescent, then a first quarter (we see half of the lit side), then a waxing gibbous, then a full moon (the whole lit side is facing us). After full, the visible part starts shrinking. We see a waning gibbous, then a last quarter, then a waning crescent, and finally back to new. The deck teaches "waxing" as growing and "waning" as shrinking, with arrows on every slide showing the direction the cycle is moving.

The lesson pushes back hard on the two biggest misconceptions in this whole unit. First, the phases are not caused by Earth's shadow falling on the moon. That's a lunar eclipse, which is rare. Regular phases happen every single month and have nothing to do with Earth's shadow. Second, the moon doesn't change shape. It stays a sphere the whole time. What changes is how much of the lit side is pointed our way. The Presentation revisits the flashlight-and-ball model from the Engage on a few slides to lock that in.

The second half of the deck zooms in on the data piece of the standard. Students look at a real lunar calendar for the current month, count the days between phases, and confirm the full cycle takes about 29 days. The standard's verb is predict, so the deck includes practice where kids look at a moon phase from a given date and predict what the moon will look like a week later, two weeks later, and four weeks later. By the end, they can read a partial month of moon data and finish the pattern with confidence.

What makes the Patterns of Change in the Moon Presentation different from a typical Earth science slideshow is that kids are doing something on almost every single slide. It's not a lecture deck. It's a participation deck. "Your answer:" prompts appear on most slides, Brain Breaks reset attention every few slides, and Quick Action INB tasks (a phase-naming sort, a "predict the next phase" exercise, a labeled orbit diagram) show up throughout. The deck closes with a Check for Understanding tied back to the Essential Question: How can we use a pattern of past observations to predict what the moon will look like next?

The Explain materials in this product include:

• An editable Presentation at two differentiated levels (Dependent and Modified), works in PowerPoint or Google Slides
• A guided fill-in-the-blank student notes handout that mirrors the Presentation, with answer key
• A Paper Interactive Notebook (English and Spanish) students cut, fold, and glue into their notebooks
• A Digital Interactive Notebook at both levels with answer keys, for 1:1 classrooms or Google Classroom

The Explain runs across two class periods. The built-in Think About It prompts are where the real discussion happens, so let those breathe.

🛠️ Elaborate

The Elaborate phase is where students stretch what they learned about moon phases and put it into a project of their choosing. In this 4th grade Earth and space lesson, that's a Student Choice Project board with six different project options plus a "design your own" pathway.

Students might keep a 28-day moon journal where they sketch what they see every night, build a 3-D moon orbit model out of household materials, or record a short video walking a younger student through the eight phases with their own props. There are options for kids who love to write, kids who love to draw, kids who love to build, and kids who love to perform. Whatever the project, the point is the same: students apply the moon phase pattern to a real-world artifact instead of a worksheet.

Choice is the whole point. By letting students pick how they show their thinking, you get more authentic work for TEKS 4.9B and you actually get to see what they understand about the moon's pattern of change.

The rubric (the part teachers actually want)

Every project, no matter which option a student picks, is graded on a consistent rubric. Five categories cover vocabulary, concepts, presentation, clarity, and accuracy, with a minus / check / plus shorthand on every row so you can grade a stack of projects quickly without re-reading every criterion.

Two differentiated versions in one file

The standard version is for students ready for independent application of moon phase patterns. The Reinforcement version is for students who need additional vocabulary or concept support. Three of the six options are swapped for projects with a tighter vocabulary tie-in, and "design your own" is replaced with "collaborate with the teacher" so kids aren't pitching cold.

✅ Evaluate

The Evaluate phase wraps the unit with a formal assessment. It's not all bubble-in. Several questions hand students a partial sequence of moon phase images and ask them to predict the next one and explain why.

The full assessment has 12 questions across five formats:

• Multiple choice (4 questions) covering phase names, the cause of phases, and the length of the cycle
• Hotspot / visual (2 questions) where students label phases on a moon orbit diagram and circle the next phase in a sequence
• Multiselect (2 questions) where students pick all the phases where the lit portion is shrinking
• Short answer (2 questions) on why the moon's phases are not caused by Earth's shadow
• Multipart scenario (2 questions) where students analyze a partial lunar calendar and predict the phase one week and two weeks later

A modified version is included for students who need additional support. Fewer multiple-choice distractors, sentence-starter scaffolds on the short-answer items.

If you've taught all five phases, this assessment shouldn't surprise anyone. It's a chance for kids to show you they get it.