Describing Physical Properties Lesson Plan (TEKS 4.6A): A Complete 5E Lesson for Classifying Matter

Chris Kesler · 10 min read

If I were teaching TEKS 4.6A, the first thing I'd do is empty my desk drawer onto a tray and let kids start poking at it. A penny, a paperclip, a rubber band, an ice cube in a baggie, a marble, a craft stick. Six objects, no definitions, no slideshow. I'd just ask, "How are these alike and how are they different?" Watch what comes out of their mouths. Some kid says "that one is cold," another says "this one sticks to my magnet," a third says "the marble would sink." They are already doing the standard. They just don't know the vocabulary yet.

The trap with 4.6A is teaching it like a vocabulary unit. Mass, volume, temperature, magnetism, physical state, relative density. Six big words on a slide, a fill-in-the-blank handout, a quiz on Friday. Kids can repeat the definitions all week and still freeze when you hand them a mystery object and ask, "Will this float?" The standard doesn't ask them to define properties. It asks them to classify and describe matter using them. That's a doing verb, not a memorizing verb.

That's the whole reason behind this 5E lesson for TEKS 4.6A. Kids run the tests with their own hands before they hear the words. By the time the Explain phase rolls around, they already know what magnetism looks like because they watched the magnet ignore the soda can. They already know what relative density looks like because they dropped a paperclip and a wood block into the same cup of water.

⏱ 8 class periods 📓 4th Grade Physical Science 🧪 TEKS 4.6A 🎯 Differentiated for D + M 💻 Print or Digital

Inside the Describing Physical Properties 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 Describing Physical Properties 5E Lesson is built on this framework from start to finish. Here's how it plays out across the five phases.

🎯 Engage

📷 Engage image — objective slide OR word wall card

Day one is a teacher-led hook that gets every kid touching matter and noticing properties before any vocabulary shows up on the board. Each student (or small group) gets a tray of everyday objects and a student observation sheet. The directions walk them through looking at, holding, and sorting the objects into groups using whatever rules they invent.

By the end of the period, kids have written down at least five different ways to group their objects, and a few brave ones have started using words like "heavy," "shiny," "floats," or "cold." Nobody has heard the official terms yet, and that's the point. They're walking into the rest of the unit with a working sense of what "physical property" means, even if they can't recite the definition.

What's included in the Engage:

Teacher directions for the object-sorting hook
Printable student observation sheet
Answer key for the discussion questions
Four learning objective slides (standard verbatim, "I CAN...", "WE WILL...", and an essential question slide)
An illustrated Matter Word Wall in English and Spanish covering the full unit vocabulary

🔬 Explore

📷 Explore image 1 — wide shot of Station Lab in action

The Describing Physical Properties 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 physical properties of matter and answer guided questions.
📖 Read It! — A one-page reading passage on classifying matter at two differentiated levels, with a Spanish version included.
🔬 Explore It! — The hands-on testing station where students measure mass, test for magnetism, check sink or float, and identify physical state for a set of mystery objects.
💻 Research It! — Reference cards with property definitions, measurement tools, and example objects for each property.

The four output stations:

📋 Organize It! — A card sort where students place objects under the correct physical property category.
🎨 Illustrate It! — Students draw a graphic organizer showing each property with a picture, a tool, and an example.
✍️ Write It! — Three open-ended questions in complete sentences where kids defend their classification choices.
📝 Assess It! — A short formative check with multiple choice and a fill-in-the-blank vocabulary paragraph.

📷 Explore image 2 — close-up of featured station (Explore It! or Organize It!)

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 Describing Physical Properties 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

📷 Explain image 1 — Presentation slide screenshot

Here's the real payoff of doing the Engage and Explore before the Explain: by the time kids hit this phase, they've already measured mass, dropped objects into water, and tested magnets with their own hands. 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 Describing Physical Properties Presentation walks 4th graders through the full scope of TEKS 4.6A, one property at a time. The deck opens with a quick reset on what matter is (anything that has mass and takes up space) and then introduces the idea of a physical property as something you can observe or measure without changing what the object is. From there the deck zooms in on each property in order: mass, volume, temperature, physical state, magnetism, and relative density.

📷 Explain image (middle) — Presentation slide screenshot (classification hierarchy, Essential Question, or category comparison)

Students learn that mass is the amount of matter in an object, measured in grams on a digital scale or balance. A nickel is about 5 grams, a bar of soap is about 100 grams. Then comes volume, the amount of space an object takes up, measured with a graduated cylinder for liquids by reading the bottom of the meniscus. Temperature is how hot or cold something is in degrees Celsius, read off a thermometer. Physical state is whether matter is currently a solid (set size and shape), a liquid (set volume but takes the shape of its container), or a gas (no set size or shape).

The deck then moves into the two properties 4th graders find the most fun to test. Magnetism is the invisible force that attracts or pushes away certain metals, and the lesson is clear: not every metal is magnetic. Iron, cobalt, and nickel are. Aluminum and gold are not. Relative density is whether an object sinks or floats in water. An object floats when it's less dense than water and sinks when it's more dense. Kids test that idea straight from the standard wording ("the ability to sink or float in water") and stop guessing based on size.

📷 Explain image 2 — Presentation slide screenshot

What makes the Describing Physical Properties Presentation different from a typical physical 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, Quick Action INB tasks (matching grams to objects, reading graduated cylinders, sorting objects by state of matter, classifying images by property) show up throughout, and Think About It prompts push deeper into bigger ideas like packing for a camping trip and using physical properties to make decisions. The deck closes with a Check for Understanding tied back to the Essential Questions: Can you describe the physical properties of matter? How are physical properties used for classification of matter?

The Explain materials in this product include:

An editable 27-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

📷 Elaborate image — Student Choice Project board or sample student work

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

Students might design a classroom "property scavenger hunt" where they identify everyday objects by their properties, build a poster showing each property with a real object glued or drawn next to it, or write and perform a short skit where a detective uses physical properties to identify a mystery item. 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 physical properties 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 4.6A and you actually get to see what they understand about classifying matter.

The rubric (the part teachers actually want)

Every project, no matter which option a student picks, is graded on the same 100-point rubric. Five categories at 20 points each:

Vocabulary (20 pts) — At least four words from the lesson are used in context.
Concepts (20 pts) — At least two key concepts from the lesson are referenced.
Presentation (20 pts) — The project grabs attention and is well-organized.
Clarity (20 pts) — Easy to understand. Free of typos.
Accuracy (20 pts) — Drawings and models are accurate. The science is right.

The rubric uses 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 physical properties. 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 picture of an everyday object and ask them to identify the physical property being tested and then describe why.

The full assessment has 12 questions across five formats:

Multiple choice (4 questions) covering measurement tools, units, examples of each property, and property vocabulary
Hotspot / visual (2 questions) where students circle the object that matches a target property and describe how they know
Multiselect (2 questions) where students pick all properties that apply to a given object
Short answer (2 questions) on how a physical property can be used to classify or sort a group of items
Multipart scenario (2 questions) with a classroom investigation where kids identify the property being tested, the tool used, and the result

A modified version is included for students who need additional support. Fewer multiple-choice distractors and 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.

How everything fits together

If you want the whole experience (Engage hook, the Station Lab as the Explore, the Explain day with Presentation and interactive notebook, the Student Choice Elaborate, and the Evaluate assessment all in one download), that's the Describing Physical Properties Complete 5E Science Lesson.

If you only need the one-day hands-on activity, the Station Lab works as a standalone. Most teachers buy the full 5E because the Station Lab works harder when it's bookended by a strong Engage and a follow-up Explain. But both are honest options.

Two options

Describing Physical Properties Complete 5E Lesson cover

Full 5E Lesson — ~10 class periods $13.20 Get the 5E Lesson

Describing Physical Properties Station Lab cover

Just the Station Lab — 1–2 class periods $7.20 Get the Station Lab

What you need to teach Describing Physical Properties (TEKS 4.6A)

Materials beyond what's in the download:

A tray of everyday objects for the Engage sort (penny, paperclip, rubber band, marble, ice cube in a baggie, craft stick, soda can, washer)
Magnets for the magnetism station (one per group)
Digital scales or balances for the mass station
A tub of water for the sink-or-float station
Thermometers for the temperature station
Pencils, colored pencils or markers, and printed student pages
A device with internet for the Watch It! station and the slide deck

Standard covered: Texas TEKS 4.6A — Classify and describe matter using observable physical properties, including temperature, mass, magnetism, relative density (the ability to sink or float in water), and physical state (solid, liquid, gas); See the full standard breakdown →

Grade level: 4th grade science

Time: About 10 class periods of 45 minutes each, done with fidelity. The product also ships with a compressed sample unit plan if you need to move faster.

Common misconceptions this lesson clears up

"Anything shiny and metal-looking is magnetic"
Only certain metals are magnetic. A paperclip and a steel washer will jump to the magnet. A penny, an aluminum soda can, and a gold ring will not. Kids assume "metal = magnet" because the shiny silver objects in their world all look the same. Lay out a tray of metal-looking stuff and let them test every piece. Watching the magnet ignore the soda can is the moment the misconception breaks.
"Heavy things sink and light things float"
It's not about how heavy something feels in your hand. It's about how the object compares to water. A huge log floats. A tiny steel paperclip sinks. The log floats because wood is less dense than water. The paperclip sinks because steel is more dense than water. That's relative density, and water is what we compare it to.
"Mass and size are the same thing"
A big object isn't always the one with more mass. A balloon is huge but barely tips a balance. A small steel marble is tiny but heavy. Mass is how much stuff is packed inside, not how big the object looks. The only way to know is to put it on the balance and read the number.
"Air isn't matter because you can't see it"
Air is matter. It has mass, it takes up space, and it has a temperature. You just can't see it because it's a gas. Blow up a balloon and you can feel the air pushing back. Hold a thermometer in the room and it reads a temperature. Just because something is invisible doesn't mean it isn't there.

What's included in the Describing Physical Properties 5E Lesson download

📷 Inside-the-product — add screenshot of Read It passage or sample answer sheet

When you buy the Describing Physical Properties Complete 5E Lesson, you get a single download with the whole unit:

✅ Engage materials — teacher directions, student observation sheet, answer key, four learning objective slides, illustrated Matter Word Wall (English + Spanish)
✅ The full Station Lab — 8 stations + 1 challenge, print and digital, two reading levels, Spanish Read It!
✅ Explain materials — editable 27-slide Presentation at two differentiated levels (with built-in Brain Breaks, Quick Action INB tasks, and Think About It prompts), guided fill-in-the-blank student notes handout with answer key, Paper Interactive Notebook (English + Spanish), Digital Interactive Notebook at two levels with answer keys
✅ Elaborate (Student Choice Projects) — 6 project options + design-your-own, plus a Reinforcement version with vocabulary-focused alternatives, 5-category rubric included
✅ Summative assessment — full 12-question version and modified version with sentence-starter scaffolds, both with answer keys
✅ Sample unit pacing guide — day-by-day plan for the full 5E lesson

A couple of real-talk tips from running this lesson

1. Pre-test your magnets on every object before the Engage.

The cheap classroom magnets sometimes won't pick up thin foil or weak steel paperclips. If you hand kids a magnet that can't lift a paperclip, you've broken the lesson before it started. Test every object you're including on the morning of the lesson.

2. Use a deep clear tub for the sink-or-float station.

A shallow bowl makes it hard for kids to see whether something is truly floating or just resting on the bottom. A clear plastic shoebox half-full of water solves this. They can see from the side what's happening below the surface.

3. Save 10 minutes at the end of the Station Lab day for a class debrief.

Ask: "If I gave you a brand-new object you've never seen before, what tests would you run on it to describe it?" That five-minute conversation is the bridge to the Explain day.

Get the Describing Physical Properties 5E Lesson

Buy the full Describing Physical Properties 5E Lesson — $13.20

Or if you only need the one-day hands-on Station Lab:

Buy the Describing Physical Properties Station Lab — $7.20

(The Station Lab is included in the full 5E Lesson)

Frequently asked questions

Does this cover all of TEKS 4.6A?

Yes. The full standard is addressed across all five phases, including all five named properties: temperature, mass, magnetism, relative density, and physical state.

What do my students need to know before this lesson?

A basic understanding that matter is the stuff around them, and some experience using a ruler and a thermometer from earlier grades. That's it.

How long does it take to teach?

Done with fidelity, about 8 class periods of 45 minutes each: one day for the Engage hook, two days for the Station Lab, two days for the Presentation and Interactive Notebook, two days for the Student Choice Project, and one day for review and the assessment.

Do I need special supplies?

Just basic classroom items: magnets, digital scales or balances, a tub of water, thermometers, and a tray of everyday objects. Most teachers already have all of it.

Does this work for digital classrooms?

Yes. Every component has a digital version. The Station Lab is fully digital-ready (Google Slides), the Presentation works in Google Slides, and the Student Choice Projects can be submitted as videos, slide decks, or written work.

Is this 5E lesson aligned to NGSS too?

It aligns with elementary physical science standards on properties of matter (2-PS1-1, 5-PS1-3). Built TEKS-first, but the property-classification work overlaps.