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.
TEKS Details | Texas Hub Module

4th Grade TEKS Standards

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

TEKS S.4.12A • Ecosystems

How Producers Make Food

The Standard

"Investigate and explain how most producers can make their own food using sunlight, water, and carbon dioxide through the cycling of matter;"

💡 What This Standard Actually Means

The Key Verb

"Investigate and explain". Fourth graders are doing the experiment first and then putting it into their own words. The TEKS names the three things plants need to make their own food: sunlight, water, and carbon dioxide. Plants take in those three ingredients and make food (sugar) inside their leaves. They're called producers because they produce their own food. The "cycling of matter" part means that the matter (water, gases, sugars) keeps moving through the plant and back into the environment as part of how it works.

Plants are the only living things in your local ecosystem that can make their own food. Animals can't. Mushrooms can't. People definitely can't. Plants can. That's why scientists call them producers. They produce food, not just for themselves but eventually for every animal that eats them and every animal that eats those animals. 4.12A is the standard where 4th graders learn HOW plants pull off this trick.

The TEKS names exactly three ingredients a plant needs: sunlight, water, and carbon dioxide. Sunlight is the energy source. Water comes up through the roots. Carbon dioxide comes from the air through tiny pores on the leaves. Inside the leaves, the plant uses these three ingredients to make sugar (the plant's food). Most kids will hear the word "photosynthesis" by the end of this unit, but the TEKS doesn't require the term. The TEKS requires that kids understand the inputs (sunlight, water, CO2), what the plant produces (food), and that matter is cycling through the plant.

By the end of this unit, kids should be able to look at a plant and explain that it's making its own food, name the three things it needs, and explain that animals can't do this (which is why animals have to eat plants or other animals). They should also see plants as the start of every food chain in the ecosystem. The standard says "investigate," so kids need real plant experiments, not just a slideshow about photosynthesis.

💬 From Chris's Classroom

If I were teaching this, I'd run two simple plant experiments side by side. Experiment 1: two identical plants, one in the sunny window, one in a dark closet. After a week, the closet plant looks pale and sad. The sunny one is thriving. Experiment 2: two identical plants in the sun, one watered every day, one not watered at all. The unwatered one wilts. Together, the two experiments prove that BOTH sunlight AND water matter. Then I'd talk about the third ingredient, carbon dioxide, which is the one you can't really deny the plant in a 4th-grade classroom. Explain that we breathe out CO2, plants take it in through their leaves, and that's how the third ingredient gets in. The "cycling" piece comes back to the air because plants release oxygen as part of the process, which we breathe back in. The big "aha" moment is when kids realize that animals and plants depend on each other for the gases. Don't dive into the formula. Just hit the three ingredients and the idea that the plant is making food.

⚠️ 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.

×

"Plants get their food from the soil"

Plants get water and a few minerals from the soil, but not food. Plants MAKE their own food inside their leaves using sunlight, water, and carbon dioxide. Soil isn't lunch for a plant. It's more like the plumbing system that delivers water and a few extra ingredients. The actual food gets built inside the leaf.

×

"Plants only need water and dirt"

Plants need three things: sunlight, water, AND carbon dioxide. Without sunlight, the plant can't power the process of making food. Without water, the chemistry can't happen. Without carbon dioxide from the air, there's no carbon to build sugar molecules. All three ingredients are required. Skip any one and the plant struggles.

×

"Animals can make their own food too"

Animals cannot make their own food. People can't either. We have to eat plants or animals to get our energy. That's exactly why plants are called producers and animals are called consumers. Without plants doing the food-making job, animals would have nothing to eat and ecosystems would collapse.

×

"The food a plant makes goes straight into its roots"

The food (sugar) is made in the leaves and travels through the plant to wherever it's needed: down to the roots, up to the flowers and fruit, into the stem. The leaves are like the kitchen, and the rest of the plant is the dining table. The roots' main job is to bring up water, not to make food.

📓 Teaching Resources for 4.12A

These resources are aligned to this standard.

Complete 5E Lesson
Producers & Cycling of Matter Complete Science Lesson
The full unit for 4.12A: differentiated station labs, editable presentations, interactive notebooks (English + Spanish), student-choice projects, and assessments covering how producers make food using sunlight, water, and carbon dioxide. Built on the 5E model.
⏱ Best for: Full unit coverage • Multiple class periods
Station Lab
Producers & Cycling of Matter Station Lab
9-station hands-on lab where 4th graders investigate and explain how most producers make their own food using sunlight, water, and carbon dioxide. 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
Producers & Cycling of Matter Student Choice Projects
Choice board with nine project options plus a "design your own" pathway. Students show what they know about how producers make food through writing, building, illustrating, presenting, or digital formats.
🎓 Best for: Project-based assessment • 2-3 class periods

🌎 Phenomenon Ideas for 4.12A

Use these real-world phenomena to anchor your lesson. Show students the phenomenon first, let them wonder, then build toward How Producers Make Food as the explanation.

🔎
Phenomenon 1

The Closet Plant

Plant two identical bean seeds in two identical cups of soil. Water them both the same. Put one in the sunny windowsill. Put the other in a dark closet. Check both daily. After a week, the windowsill plant is green and growing. The closet plant is pale yellow, stretched out and weak. Same water, same soil. The only thing different was sunlight, and that one ingredient made all the difference.

💬 Discussion Prompt

"Both plants got the same water and the same dirt. So why is one healthy and one sick? What does this tell you about what plants need to make food?"

🔎
Phenomenon 2

The Bag of Breath

Place a healthy potted plant inside a clear gallon zip-top bag. Right before sealing, have a kid blow into the bag (adding extra carbon dioxide from their breath). Seal it tight and place it in the sunny window. After a few hours, you can sometimes see tiny droplets of water on the inside of the bag (that's the plant releasing water vapor) and the plant is still happily green. Animals breathing out provide one of the three ingredients plants need.

💬 Discussion Prompt

"Why would the plant be doing well even though it's sealed in a bag with no fresh air? What did your breath give the plant?"

🔎
Phenomenon 3

The Forgotten Plant

Show two photos. Photo 1: a healthy houseplant being watered every week. Photo 2: a sad, wilted plant someone forgot about during spring break. Same plant, two weeks apart. The wilted one couldn't keep making food because it ran out of water. The leaves drooped, the color faded, and the food production stopped. Add water and most plants come back, but the demo shows what happens when one of the three ingredients runs out.

💬 Discussion Prompt

"What ingredient was missing for the wilted plant? Why did missing that one thing affect the WHOLE plant? What would happen if we left it without water for another week?"

💡 Free Engagement Ideas for 4.12A

01

Three-Cup Plant Experiment

Each group plants three identical bean seeds in three identical cups of soil. Cup 1 gets sunlight + water (the control). Cup 2 gets sunlight but NO water. Cup 3 gets water but NO sunlight (covered with a box). Kids predict what will happen, then track all three for one week. The results clearly show that BOTH sunlight and water are required. Carbon dioxide is the harder one to test in class, so connect it through discussion.

Materials: Bean seeds, small cups, soil, water, cardboard boxes for shading, recording log
02

Label-the-Plant Diagram

Each kid gets a printed plant diagram. They draw arrows for the three ingredients: sunlight (arrow pointing at the leaves from the sun), water (arrow going up from the roots), carbon dioxide (arrow into the leaves from the air). They draw an arrow for the food being made, with a label that says "sugar made in the leaves." Then they write three sentences explaining each input. Locks in the ingredients with both visuals and words.

Materials: Printed plant diagram, colored pencils, lined paper
03

Producer Hunt

Walk the class around the schoolyard or a nearby park. Each kid has a clipboard and has to find five different plants (a tree, grass, a flower, a weed, a bush). For each one, they sketch it and answer two questions: "Where is its sunlight coming from?" and "Where is its water coming from?" Connects the standard to the actual ecosystem outside the school.

Materials: Clipboards, recording sheets, pencils, optional tablet for photos
04

Producer vs. Consumer Sort

Print a stack of 20 living-thing cards. Some are plants (oak tree, sunflower, grass, pine tree, cactus). Some are animals (deer, hawk, mouse, snake, person). Kids sort them into two columns: PRODUCERS (make their own food using sunlight, water, and CO2) and CONSUMERS (have to eat other living things). Then for each producer, they list the three ingredients it uses. Quick reinforcement of the term and the ingredients.

Materials: 20 living-thing picture cards, sorting mats, recording sheet
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. 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

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!"
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
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."