It's easy to start your school or district purchase!
Skip to content
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.

Chris Kesler
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.

  • 4th
    4th Grade Science
    14 standards • Earth, Energy, Organisms & more
    →
  • 5th
    5th Grade Science
    16 standards • Matter, Ecosystems, Space & more
    →
  • 6th
    6th Grade Science
    18 standards • Forces, Energy, Matter & more
    →
  • 7th
    7th Grade Science
    17 standards • Cells, Chemistry, Earth & more
    →
  • 8th
    8th Grade Science
    19 standards • Newton's Laws, Space, Genetics & more
    →
All standards updated for the 2024 TEKS revision
TEKS Details | Texas Hub Module

6th Grade TEKS Standards

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

Matter & Properties (6.6)
6.6A Matter & Kinetic Energy 6.6B Pure Substances & Mixtures 6.6C Classify Elements 6.6D Comparing Density 6.6E Evidence of Chemical Changes
Force, Motion & Energy (6.7)
6.7A Forces in the Real-World 6.7B Calculating Net Force 6.7C Newton's Third Law of Motion
Energy (6.8)
6.8A Compare & Contrast Energies 6.8B Energy Transformations in Systems 6.8C Energy of Waves
Earth & Space (6.9)
6.9A Model Earth's Tilt & Seasons 6.9B Predicting Tides
Earth's Structure (6.10)
6.10A Differentiate Between Earth's Spheres 6.10B Modeling Layers of Earth 6.10C Processes in the Rock Cycle
Resources (6.11)
6.11A Resource Management 6.11B Managing Energy Resources
Ecosystems (6.12)
6.12A Biotic & Abiotic Competition 6.12B Ecological Relationships 6.12C Hierarchy of Ecosystems
Organisms (6.13)
6.13A Development of Cell Theory 6.13B Comparing Organisms 6.13C Variations & Survival
TEKS S.6.6A • Matter & Properties

Matter & Kinetic Energy

The Standard

"Investigate and explain how the kinetic energy of particles in matter is related to temperature and state of matter, including solids, liquids, and gases."

💡 What This Standard Actually Means

The Key Verb

"Investigate and explain". Students gather evidence about how fast particles are moving and then connect that motion to what they observe. The standard also uses the word "including", which signals where to focus your students: solids, liquids, and gases. Students should be able to identify and explain how particle motion differs across all three states. Instruction can take many forms, such as particle diagrams, observation logs, labeled models, and short written explanations.

All matter is made of particles. Those particles are in constant motion, even when an object looks perfectly still. The energy of that motion is called kinetic energy. When particles move faster, the substance feels warmer. When they move slower, it feels cooler. Temperature is a measure of the average kinetic energy of the particles in a substance.

State of matter depends on how much the particles are moving and how tightly they're held together. In a solid, particles are packed close and vibrate in place. In a liquid, particles have more energy and can slide past each other while staying in contact. In a gas, particles have even more energy and move freely with a lot of space between them.

When students investigate, two ideas usually click: adding heat speeds the particles up, and taking heat away slows them down. Speeding them up enough can push a substance from solid to liquid, or liquid to gas. That shift is the core understanding students should walk away with.

💬 From Chris's Classroom

The demo that never missed for me was the food coloring race. I'd put two clear cups on the front table, one with ice water and one with hot tap water. Same dropper, one drop of food coloring in each, same time. The hot cup turned dark in seconds while the cold cup took forever. Kids would lean in, and that's when I'd drop the word particles. "What's going on in the hot cup that isn't happening in the cold one?" Then we'd sketch particle diagrams for each. That one demo did more work for me on this standard than any lecture slide ever did.

⚠️ 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.

×

"Particles in a solid aren't moving at all"

✓

Students see a rock or an ice cube and assume the particles inside are frozen in place. Particles in a solid are still vibrating, just in a tight, fixed arrangement. They're not free to move around, but they're not sitting still either. Drawing a solid as dots with tiny jiggle marks helps this stick.

×

"Heat and temperature are the same thing"

✓

This one trips up even older students. Temperature measures the average kinetic energy of particles. Heat is the transfer of energy from one substance to another because of a temperature difference. A lit match has a higher temperature than a bathtub of warm water, but the bathtub has way more total heat energy because it has far more particles.

×

"Gases don't have any mass"

✓

Because gas particles spread out and can't usually be seen, students often decide a gas isn't really there. But gases are made of particles with mass, just spread far apart. A flat basketball and a fully inflated one have different masses because of the air inside. Weighing both on a sensitive scale makes the point fast.

×

"When a liquid boils, the particles change into something new"

✓

Students sometimes think the steam rising off boiling water is a different substance. Liquid water and water vapor are both made of the same water particles. The particles didn't change, they just gained enough energy to separate and move as a gas. Same particles, different amount of kinetic energy.

📓 Teaching Resources for 6.6A

These resources are aligned to this standard.

Complete 5E Lesson
Matter & Kinetic Energy Complete Science Lesson
The full unit for 6.6A: differentiated station labs, editable presentations, interactive notebooks (English + Spanish), student-choice projects, and assessments. Built on the 5E model.
⏱ Best for: Full unit coverage • Multiple class periods
Preview → Buy →
Station Lab
Matter & Kinetic Energy Station Lab
9-station hands-on lab covering particle motion, temperature, and states of matter with 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
Preview → Buy →
Student Choice Projects
Matter & Kinetic Energy Student Choice Projects
Choice board with nine project options plus a "design your own" pathway. Students demonstrate their understanding of particle motion, temperature, and states of matter through writing, building, illustrating, presenting, or digital formats.
🎓 Best for: Project-based assessment • 2-3 class periods
Preview → Buy →

🌎 Phenomenon Ideas for 6.6A

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

🔎
Phenomenon 1

Steam Rising Off a Hot Cup of Coffee

Pour hot coffee into a mug and you can see wispy steam drifting upward. Let the cup sit for 20 minutes and the steam goes away, even though there's still liquid in the cup. A glass of ice water sitting right next to it doesn't make any steam at all. The same water particles can behave in wildly different ways depending on what's going on with their energy.

💬 Discussion Prompt

"The hot coffee and the ice water are both mostly water. Why does steam come off one and not the other? What's different about the particles in each cup?"

🔎
Phenomenon 2

Popcorn in the Microwave

A hard kernel sits quiet on the counter. Drop it in the microwave for two minutes and it explodes open. Inside each kernel is a tiny bit of water. When the microwave heats the kernel, the water particles inside gain so much energy that they push the hard shell from the inside until it bursts.

💬 Discussion Prompt

"The kernel didn't move when it was on the counter. What changed about the water particles inside it when the microwave turned on? Why did that cause the shell to burst?"

🔎
Phenomenon 3

A Deflated Ball Left in a Hot Car

You leave a slightly soft basketball in the backseat on a hot Texas afternoon. Come back a few hours later and the ball feels firmer. Nobody pumped any new air in. Same ball, same air inside, but the pressure pushing outward has changed. Something about the particles has to be different.

💬 Discussion Prompt

"No air was added to the ball. So how did it get firmer? What happened to the air particles inside when the car heated up?"

💡 Free Engagement Ideas for 6.6A

01

Food Coloring Race

Set up two clear cups, one with ice water and one with hot tap water. At the same instant, drop one drop of food coloring in each. Students time how long it takes for the color to spread evenly. The hot cup wins every time because its particles are moving faster and bump into the dye particles more often.

Materials: 2 clear cups, hot tap water, ice water, food coloring, stopwatch
02

Balloon on a Bottle

Stretch a deflated balloon over the mouth of a plastic bottle. Place the bottle in a bowl of hot tap water for a few minutes and watch the balloon inflate. Then move it to ice water and watch it collapse. The air didn't leave or enter. Particle motion just changed.

Materials: Plastic bottle, balloon, hot water, ice water, bowl
03

Particle Dance Simulation

Clear a space in the room. Students become particles. In "solid mode" they stand in a tight grid and jiggle in place. In "liquid mode" they stay close but slide past each other. In "gas mode" they spread out and move freely. Call out states and temperatures and have them adjust.

Materials: Open floor space, masking tape grid (optional)
04

Bag Full of Smell

Place a strong-smelling item (orange peel, vanilla, coffee grounds) in a sealed plastic bag. Pass the bag around. Students can't smell it through the plastic. Then open the bag at one end of the room and time how long it takes students in the back to smell it. Discuss how gas particles have to travel through the air to reach their noses.

Materials: Zip-top bag, strong-smelling item, stopwatch
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.

4th
Grade Science
PDF
Download Free
5th
Grade Science
PDF
Download Free
6th
Grade Science
PDF
Download Free
7th
Grade Science
PDF
Download Free
8th
Grade Science
PDF
Download Free

🔒 Free download. We just need your email. You'll also get weekly teaching ideas, phenomenon, and resources straight to your inbox.

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

Kesler Science usage across Texas

What Teachers Are Saying

SG
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."
SD
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."
DA
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!"
Related Blog Posts | Texas Hub Module

Related Blog Posts

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
Students working in science classroom Students collaborating on station lab Students working with science materials

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

RC
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!"
CG
Cassandra G.
via email
"It provides differentiated instruction for all types of learners, allowing them to become more engaged."
MI
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."