Energy Transformations in Systems Lesson Plan (TEKS 6.8B): A Complete 5E Lesson for Conservation of Energy

Inside the Energy Transformations 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 Energy Transformations 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 hands-on hook that uses a handful of dollar-store devices (a wind-up toy, a battery flashlight, a hand-crank radio, a small music box, and a rubber-band-powered car) to get kids tracing energy from input to output. Following the step-by-step teacher directions, students fill out a three-column chart (Energy In, What Happens, Energy Out) for each device.

By the end of the period, kids have traced four or five transformations on their student sheet in their own words, and they can explain why a flashlight gets warm or why a wind-up toy stops moving. Nobody has heard a vocabulary lecture yet. That's the point. They're walking into the rest of the unit with a working mental model, not a memorized definition.

What's included in the Engage:

• Teacher directions for the energy transformation station hook
• Printable student observation chart
• Answer key for the discussion questions
• Four learning objective slides (standard verbatim, "Investigate and describe" highlighted, "I CAN...", and "WE WILL...")
• An illustrated Energy Word Wall in English and Spanish covering the unit vocabulary

🔬 Explore

The Energy Transformations Station Lab is the heart of the Explore phase. Students rotate through 8 stations (plus a 9th challenge station for early finishers) over one to two class periods. 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 energy transformations and the law of conservation of energy, then answer guided questions.
• 📖 Read It! — A one-page reading passage at two differentiated levels, with a Spanish version included.
• 🔬 Explore It! — A bouncing ball investigation where students measure drop height vs. bounce height and trace where the "lost" energy went.
• 💻 Research It! — Reference cards on the six forms of energy (mechanical, thermal, electrical, sound, light, chemical) with everyday examples of each.

The four output stations:

• 📋 Organize It! — A card sort where students place everyday devices under their energy input and energy output forms.
• 🎨 Illustrate It! — Students draw an energy chain (sun to plant to mouse to owl) and label every transformation along the way.
• ✍️ 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 Energy Transformations 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 traced energy from input to output for five or six different devices. 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 Energy Transformations Presentation walks 6th graders through the full scope of TEKS 6.8B, one concept at a time, with diagrams on nearly every slide. The deck opens with the big idea that holds the whole unit together: the law of conservation of energy. Energy cannot be created or destroyed. It can only be transformed. In any system, the total amount of energy stays the same, even though it might change forms multiple times along the way.

Students learn the six forms of energy named in the standard: mechanical (the energy of motion or position, like a swinging pendulum or a rolling ball), thermal (the energy of vibrating particles inside a substance, often felt as heat), electrical (the energy of moving charges through a wire), sound (vibrations traveling through a material), light (energy carried by electromagnetic waves), and chemical (energy stored in the bonds between atoms). Each form gets its own slide with real-world examples and a "Your answer:" prompt that pushes students to add an example of their own.

Then the deck shifts to transformations themselves. Energy rarely stays in one form. The lesson walks through five worked examples: a hot mug of chocolate cooling on a desk (thermal transfer), a waterslide at an amusement park (gravitational potential to mechanical to sound to thermal), bumper cars (electrical to mechanical to light to thermal and sound), a simple electric circuit with a battery and a light bulb (chemical to electrical to light and thermal), and a hydroelectric dam (gravitational potential to mechanical to electrical). At every step, students see the input form, the change, and the output forms. The deck uses a balance-scale visual on most slides so students can literally see that the total energy stays equal even when the forms change.

The deck closes by extending energy transformations into living systems. Students learn that all the energy on Earth originates from the sun, that producers (plants) capture sunlight through photosynthesis and store it as chemical energy in food, and that consumers transfer that chemical energy through a food web. Some of the energy at every step is converted to thermal energy and released to the environment, which is exactly why food chains can only support so many levels. That "some thermal energy is always released" idea is the part that finally answers the dead-phone-battery question I got my first year.

What makes this Presentation different from a typical energy 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, Quick Action INB tasks show up throughout (a card sort separating transfers from transformations, a balance-scale energy diagram task, a food-web labeling activity), and Think About It prompts push deeper into bigger ideas (where does the energy in a dead battery actually go, how do humans change energy flow in a zoo vs. a forest). The deck closes with a Check for Understanding tied back to the Essential Question.

The Explain materials in this product include:

• An editable 37-slide 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 energy transformations and put it into a project of their choosing. In this 6th grade energy lesson, that's a Student Choice Project board with six different project options plus a "design your own" pathway.

Students might build a Rube Goldberg machine that uses at least four energy transformations to ring a bell, design a children's storybook that follows a single piece of energy from the sun through three different organisms, or record a podcast episode where they interview a flashlight, a roller coaster, and a campfire about what happens to the energy that runs through them. 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 conservation of energy and energy transformations 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 6.8B and you actually get to see what they understand about how energy moves through a system.

Two differentiated versions in one file

The standard version is for students ready for independent application. 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 an energy chain diagram and ask them to label every transformation and explain why no transformation is 100 percent efficient.

The full assessment has 12 questions across five formats:

• Multiple choice (4 questions) covering the six forms of energy, the law of conservation, and worked examples like a flashlight or a hydroelectric dam
• Hotspot / visual (2 questions) where students circle the form of energy present at a labeled point in a diagram and describe how it got there
• Multiselect (2 questions) where students pick all forms of energy produced by a single device
• Short answer (2 questions) explaining what happens to the energy in a dead battery and why no transformation is fully efficient
• Multipart scenario (2 questions) with a roller coaster or food-web diagram where students label energy at multiple points and explain how the total stays conserved

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.