Hero | Texas Hub Module

Texas Science Teacher Resource Hub

Free scope and sequences, TEKS breakdowns, phenomenon ideas, and engagement activities for the 2024 Texas science standards.

I'm Chris Kesler, a former award-winning Texas middle school science teacher. This is the site I wish I'd had in the classroom. One hub with TEKS breakdowns, scope and sequences, phenomenon starters, engagement ideas, and resources, all aligned to the standards you actually teach.

Get Free Pacing Guide

🚀 Jump to Your Grade

Pick your grade level and go straight to your TEKS standards, aligned resources, and teaching tools.

All standards updated for the 2024 TEKS revision

TEKS Details | Texas Hub Module

5th Grade TEKS Standards

Click any standard to see what it means, how to teach it, where students get stuck, and aligned resources.

TEKS S.5.6D • Matter & Properties

Illustrating Particles of Matter

The Standard

"Illustrate how matter is made up of particles that are too small to be seen such as air in a balloon."

💡 What This Standard Actually Means

The Key Verb

"Illustrate". Students are drawing or modeling something they cannot see directly. Matter is made of particles too small to be seen, and the only way kids can show what they understand is by drawing what those particles look like inside an object. The TEKS gives one perfect anchor example: air in a balloon. The balloon is full of something. We can't see anything in there. But it pushes the rubber outward, makes the balloon stretchy and round, and rushes out when we let go. Students illustrate that "something" as little particles bouncing around inside the balloon. The illustration is the evidence of their thinking.

Hold up an inflated balloon. To a 5th grader, it looks empty. But the balloon clearly has something inside it. It's bigger than before. It feels firm if you squeeze it. Let go of the end and a rush of air shoots out. That something is matter, and the trick of this standard is that the matter is made of particles too small to be seen.

Every solid, liquid, and gas around us is made of particles too tiny for our eyes to detect. The water in a cup. The wood in a desk. The air in the room. All particles. Just way too small to spot, even with most magnifying glasses. The job for 5th graders is to illustrate what those particles might look like, especially in the case where the substance looks like nothing. Air in a balloon is the perfect example because the balloon is obviously full of something even though kids can't see what.

The takeaway: matter is everywhere, even when it looks like nothing. The way scientists deal with stuff they can't see is to draw a model of it. A model isn't a perfect picture. It's a way to show what we think is happening at a scale our eyes can't reach. By the end of the unit, kids should be able to look at any object and draw what its tiny particles might look like inside it.

💬 From Chris's Classroom

The hardest part of teaching this standard is convincing kids that air is "stuff." They've been told their whole lives that something they can't see is "nothing." So I start every lesson on this standard the same way: I take an empty plastic bottle, sit on the desk, and stomp on it with my hand. The bottle whooshes flat. Then I pick up an inflated balloon and squeeze it. It pushes back. I look at the kids and ask, "Why is the balloon doing that if it's empty?" The conversation that follows always lands at the same place. The balloon isn't empty. There's something in there. And once they're at "there's something in there," I hand them paper and crayons and tell them to draw what that something looks like. Whatever they draw, even if it's a mess of dots, that's the win. They're illustrating particles. Then we refine.

⚠️ Misconceptions Your Students May Have

These are some of the most common misconceptions. Knowing what to look for can help you get ahead of them.

"Air is nothing because you can't see it"

✓

Air is definitely something. It's a mixture of gases (mostly nitrogen and oxygen) made of tiny particles. You can feel air pushing against your hand when you swing it through the room. You can see the wind move leaves on a tree. You can blow up a balloon with it and watch the balloon get bigger. None of that would be possible if air was actually nothing. The particles are just way too small to spot.

"Particles are like little dots floating in empty space inside an object"

✓

The particles ARE the matter. There aren't particles floating in something else. In a solid, the particles are packed tight against each other. In a liquid, they're close together but slide around. In a gas, they're spread out and moving fast, but the space between them is empty. So when you draw air in a balloon, the particles should be spread out, not packed together, and there should be just empty space between them.

"You can see particles with a regular magnifying glass"

✓

Particles are way too small to see with a regular magnifying glass or even most school microscopes. Scientists need extremely powerful microscopes to spot them, and even then they only see indirect signs that the particles are there. That's why we draw models. We can't take a picture of the actual particles, so we illustrate what they might look like based on how the matter behaves.

"An empty bottle has nothing in it"

✓

An "empty" bottle is full of air. To prove it, push an empty bottle (cap off) sideways under water in a sink or aquarium. Watch the bubbles glub out as water rushes in to take the air's place. There was definitely air in that bottle the whole time. The bottle was never empty. It just looked empty because the air particles are too small to see.

📓 Teaching Resources for 5.6D

These resources are aligned to this standard.

Complete 5E Lesson

Illustrating Particles of Matter Complete Science Lesson

The full unit for 5.6D: differentiated station labs, editable presentations, interactive notebooks (English + Spanish), student-choice projects, and assessments built around modeling tiny particles in solids, liquids, and gases. Built on the 5E model.

⏱ Best for: Full unit coverage • Multiple class periods

Station Lab

Illustrating Particles of Matter Station Lab

9-station hands-on lab where students explore evidence of invisible particles and draw particle models for everyday matter. Input stations (Explore It!, Watch It!, Read It!, Research It!) and output stations (Organize It!, Illustrate It!, Write It!, Assess It!). Print and digital. English and Spanish.

🔬 Best for: Core instruction • 1-2 class periods

Student Choice Projects

Illustrating Particles of Matter Student Choice Projects

Choice board with nine project options plus a "design your own" pathway. Students demonstrate their understanding of particle models through writing, building, illustrating, presenting, or digital formats.

🎓 Best for: Project-based assessment • 2-3 class periods

🌎 Phenomenon Ideas for 5.6D

Use these real-world phenomena to anchor your lesson. Show students the phenomenon first, let them wonder, then build toward Illustrating Particles of Matter as the explanation.

🔎

Phenomenon 1

The Balloon That Won't Squish

An inflated balloon sits on the table. A student presses down on it gently. The balloon flattens a little but pushes right back, springing back to its round shape the second the hand comes off. Squeeze it from the sides and it bulges out the top. Sit on it carefully and it rolls or pops. The balloon doesn't go flat under pressure the way an empty paper bag would. Something inside is fighting back.

💬 Discussion Prompt

"If the balloon is empty, why does it push back when you squeeze it? What do you think is inside the balloon, and how would you draw a picture of it?"

🔎

Phenomenon 2

The Underwater Bottle

A clear water bottle with the cap off gets pushed sideways into a clear bin of water. The instant it goes under, big bubbles glub up out of the bottle's mouth and float to the surface. The bottle fills up with water as the bubbles leave. If you hold the bottle straight upside-down before pushing it under, no bubbles come out and the bottle stays "empty" of water for a long time, perfectly trapping whatever was inside.

💬 Discussion Prompt

"What were the bubbles that came out of the bottle made of? If the bottle looked empty before, what was actually in there? Draw a picture of what the inside of the bottle looked like before it went underwater."

🔎

Phenomenon 3

The Smell from Across the Room

A teacher opens a small bottle of vanilla extract or peppermint oil at the front of the room and sets it on the desk. No fan. No spray. Just a bottle sitting open. Within thirty seconds, the kids in the back row raise their hands. They can smell it. The scent has traveled all the way across the room without anyone moving the bottle. The students closest can smell it strongest. The smell got there somehow.

💬 Discussion Prompt

"How did the smell get all the way across the room when the bottle never moved? What do you think traveled through the air, and how could you draw a picture that explains it?"

💡 Free Engagement Ideas for 5.6D

Particle Drawing in Three States

Give every student a paper folded into three boxes labeled solid, liquid, and gas. They draw what the particles look like inside an ice cube (solid), a glass of water (liquid), and an inflated balloon (gas). The first box should have particles packed tight in a pattern. The second should have particles close but messy. The third should have particles spread out with empty space between them. Walk the room and refine misconceptions in real time.

Materials: Paper, pencils or markers, ice cube + cup of water + balloon as visual reference

Air-in-the-Bottle Demo

Each group has a clear cup of water and an "empty" plastic water bottle with the cap off. They predict what will happen when they push the bottle sideways into the water. Then they push it under and watch the air bubbles glub out. They sketch a "before" picture of the bottle (with particles drawn inside) and an "after" picture (with water replacing the particles). Connects the invisible air to a visible result.

Materials: Empty water bottles (cap off), large clear bin or sink filled with water, paper towels, recording sheets

Squeeze-the-Balloon Particle Model

Each pair of students has an inflated balloon. They squeeze it gently from different angles and feel how the balloon pushes back. Then they draw a model of the inside of the balloon with little particles bouncing around. They draw a second picture showing what happens when they squeeze: the same number of particles but bunched into a smaller space, hitting the balloon's rubber harder. Connects pressure to particle behavior without using any vocabulary the kids can't handle.

Materials: Balloons (one per pair), paper, pencils, optional: a few stretchy rubber bands to feel the same effect

Smell Travels Investigation

Open a small container of something strong-smelling (vanilla extract, lemon, peppermint) at the front of the room. Students at four different distances raise their hands when they smell it. Time how long it takes for each row. Discuss how the smell traveled: tiny particles drifting through the air, bumping their way across the room. Each student then draws what they think the air looked like in the path between the bottle and their nose.

Materials: Small bottle of strong-smelling extract or essential oil, stopwatch, paper, pencils

Pacing Guides | Texas Hub Module

Free Planning Tools

Year-at-a-Glance Pacing Guides

Practical, week-by-week scope and sequences for grades 4-8. These tell you what to teach and when to teach it. Updated for the 2024 TEKS.

4^th

Grade Science

PDF

Download Free

5^th

Grade Science

PDF

Download Free

6^th

Grade Science

PDF

Download Free

7^th

Grade Science

PDF

Download Free

8^th

Grade Science

PDF

Download Free

Free download. No email required. Updated for the 2024 TEKS with linked activities for every unit.

Trusted Across Texas | Texas Hub Module

Texas Teacher Community

Trusted Across Texas

From the Rio Grande Valley to the Panhandle, Texas science teachers are using Kesler Science to save time and engage students.

Texas Schools and Districts
Love Kesler Science

What Teachers Are Saying

Sandra G.

via email

"Complete, concise, time saving treasure chest of ready-made lessons that fit my standards. Cuts my prep time, increases student engagement, and makes it easier to have a student-led classroom."

Stacy D.

via email

"It is easy to access, updated frequently, well-supported when I have questions, and everything I need is provided. No surprises."

Debra A.

via email

"Kesler has helped me differentiate instruction for students, move toward more inquiry-based labs, and kept me from losing my mind!"

Admin Section | Texas Hub Module

For Administrators

Give Your Science Teachers Everything They Need

School and district licenses give your teachers access to every resource they need, including station labs, inquiry labs, anchoring phenomena, presentations, escape rooms, and much more. One purchase covers the grade levels you need.

✓ PO-friendly. We accept purchase orders
✓ Volume discounts for 10+ teachers
✓ Free PD session for departments of 5+
✓ Aligned to the 2024 TEKS standards

Request a Quote Schedule a Demo

See It in Action

Book a walkthrough and we'll show you how Kesler Science fits your campus.

Book Demo Call

No pressure, no hard sell

Rosemarie C.

via email

"My assistant principal stopped in my room and immediately noticed how the students were engrossed in their centers and how they moved seamlessly from center to center. Also the built-in modifications really impressed!"

Cassandra G.

via email

"It provides differentiated instruction for all types of learners, allowing them to become more engaged."

Margaret I.

via email

"I love it all!! I have become a facilitator in my class and I love the excitement it brings to my class. The kids love all that we do with the Kesler products."

Texas Science Teacher Resource Hub

🚀 Jump to Your Grade

5th Grade TEKS Standards

Illustrating Particles of Matter

💡 What This Standard Actually Means

⚠️ Misconceptions Your Students May Have

📓 Teaching Resources for 5.6D

🌎 Phenomenon Ideas for 5.6D

The Balloon That Won't Squish

The Underwater Bottle

The Smell from Across the Room

💡 Free Engagement Ideas for 5.6D

Particle Drawing in Three States

Air-in-the-Bottle Demo

Squeeze-the-Balloon Particle Model

Smell Travels Investigation

Year-at-a-Glance Pacing Guides

Trusted Across Texas

Texas Schools and DistrictsLove Kesler Science

What Teachers Are Saying

Give Your Science Teachers Everything They Need

See It in Action

Texas Schools and Districts
Love Kesler Science