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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.

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7th Grade TEKS Standards

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TEKS S.7.7B • Force, Motion & Energy

Speed & Velocity

The Standard

"Distinguish between speed and velocity in linear motion in terms of distance, displacement, and direction."

💡 What This Standard Actually Means

The Key Verb

"Distinguish". Students are telling speed and velocity apart in linear motion using three concepts: distance, displacement, and direction. The shift in this standard is the explicit addition of displacement, which wasn't in the old version. Distance and displacement are different things, and that difference is the heart of the speed-vs-velocity comparison now. Instruction can take many forms, such as walk-the-line displacement labs, distance-vs-displacement maze activities, vector arrow drawings, and side-by-side scenario comparisons.

Speed is a measurement of how fast something is moving. It's a single number with a unit, like 30 mph or 5 m/s. Speed uses distance, which is the total amount of ground covered, regardless of direction. If a runner laps the track three times, they've covered 1200 meters of distance, period. Scientists call this kind of measurement a scalar. It has size but no direction.

Velocity is speed with a direction attached. "30 mph north" is a velocity. "5 m/s toward the door" is a velocity. Velocity uses displacement, which is the straight-line change in position from start to finish, plus a direction. If a runner laps a 400-meter track and ends up exactly back where they started, their displacement is zero, even though they ran 1200 meters of distance. Scientists call velocity a vector. It has size and direction.

That distance-vs-displacement difference is the easiest way to tell speed and velocity apart. Speed is built on distance. Velocity is built on displacement. Two cars can be moving at the same speed but have completely different velocities if they're going in different directions. A car going 60 mph north and a car going 60 mph south have the same speed but opposite velocities. The core understanding students should walk away with is that speed answers "how fast?" and velocity answers "how fast and which way?" Direction is what makes velocity different.

💬 From Chris's Classroom

What worked for me was a quick trick I called "finish the sentence." I'd put a sentence up on the board like "The jogger was running 6 mph..." and ask students whether that described speed or velocity. They'd say speed. Then I'd add "...to the north." Now it's velocity. Back and forth like that for five minutes, changing the sentences each round, and by the end of it they had the direction-matters idea nailed down. Then I'd bring in the curve example. "If a car is going 60 mph around a roundabout, is its velocity staying the same?" That one gets some great arguments going. Lean into those arguments. They're where the learning happens.

⚠️ 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.

"Speed and velocity are basically the same thing"

✓

Students hear these words used interchangeably in everyday life, especially in sports broadcasts. But in physics they're different. Speed gives you only the magnitude, a single number. Velocity gives you the magnitude AND the direction. Speed tells you how fast. Velocity tells you how fast and which way.

"If the speed is the same, the velocity is the same"

✓

Two cars traveling at 60 mph can have completely different velocities. If one is heading north and the other is heading south, their speeds are identical but their velocities are opposite. Direction is half of velocity, so comparing velocities means comparing both the number and the direction.

"Velocity can't change if the speed doesn't change"

✓

A car going 60 mph around a curve is a classic example. Its speed stays the same the whole way through the curve, but its direction changes every moment. Since velocity includes direction, a change in direction is a change in velocity, even if the speed number stays steady.

"Direction is just something extra you add onto velocity. It's not really part of the measurement"

✓

Direction is not a label tacked on. It's built into the measurement. A velocity without a direction is just a speed. That's why the TEKS specifically names direction as the thing that makes velocity different from speed.

📓 Teaching Resources for 7.7B

These resources are aligned to this standard.

Complete 5E Lesson

Speed & Velocity Complete Science Lesson

The full unit for 7.7B: 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

Station Lab

Speed & Velocity Station Lab

9-station hands-on lab covering speed and velocity 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

Student Choice Projects

Speed & Velocity Student Choice Projects

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

🌎 Phenomenon Ideas for 7.7B

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

🔎

Phenomenon 1

A Merry-Go-Round at the Park

Picture a kid on a playground merry-go-round spinning steadily. Their speed around the platform might stay at a steady walking pace the whole time. But ask them which way they're going and the answer keeps changing. One second they're heading north. A second later they're heading east. A few seconds after that they're heading south. Same speed every single second, but the direction is never the same for long.

💬 Discussion Prompt

"If the kid's speed stays exactly the same the whole ride, why do we say their velocity is constantly changing? What does the merry-go-round tell us about the difference between speed and velocity?"

🔎

Phenomenon 2

Two Planes, Same Speed, Different Trips

Two passenger jets take off from the same airport at the same time. Both cruise at about 550 mph. One flies east toward New York. The other flies west toward Los Angeles. After three hours, their locations are hundreds of miles apart. Their speedometers would have read the same number the entire trip, but they ended up nowhere near each other.

💬 Discussion Prompt

"If both planes had the same speed, why did they end up in completely different places? What piece of information does a pilot or air traffic controller need that a simple speed number doesn't give them?"

🔎

Phenomenon 3

A Soccer Ball Rolling Toward the Goal

A coach kicks a soccer ball straight toward the goal at 15 m/s. It rolls across the grass, hits a divot, and bounces off at a weird angle. Before the bounce, the ball had a velocity of 15 m/s toward the goal. After the bounce, it's still moving at roughly 15 m/s, but now it's rolling away toward the sideline. The speed is almost the same. The velocity is definitely not.

💬 Discussion Prompt

"Why do we say the velocity of the ball changed after the bounce, even though the ball is moving at a similar speed? What does this tell us about why direction matters when we describe motion?"

💡 Free Engagement Ideas for 7.7B

Speed vs. Velocity Sentence Sort

Write 20 short sentences on index cards. Half describe speed only (ex: "The car is going 40 mph"). Half describe velocity (ex: "The car is going 40 mph east"). Students sort them into two piles and have to explain their reasoning. Hand out a blank set of cards at the end and have them write four of their own, two of each kind.

Materials: Index cards, markers

Compass-Guided Walking Trials

In the gym or parking lot, have a partner walk at a steady pace while another student uses a phone compass app to call out the direction every 10 seconds. First round: walk in a straight line. Second round: walk a big circle at the same speed. Students record the speed and direction at each interval, then explain which trial had a changing velocity and why.

Materials: Phone with compass app, measuring tape, stopwatch

Marble Maze Direction Changes

Build a quick maze on a tray using straws or pencils and tape. Students roll a marble through the maze and mark every point where the marble changes direction. At each turn, they describe what happened to the speed (was it faster, slower, about the same?) and what happened to the velocity (what changed?). Great reinforcement that direction changes alone are enough to change velocity.

Materials: Flat tray, straws or pencils, tape, marble

Arrow Diagrams for Velocity

Draw eight simple scenarios on the board (a runner heading north at 6 mph, a bike going east at 10 mph, and so on). Students draw an arrow for each one where the length shows the speed and the direction of the arrow shows the direction of motion. Compare arrows for scenarios with the same speed but different directions. Makes the scalar vs. vector idea visual fast.

Materials: Graph paper, rulers, colored pencils

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Texas Science Teacher Resource Hub

🚀 Jump to Your Grade

7th Grade TEKS Standards

Speed & Velocity

💡 What This Standard Actually Means

⚠️ Misconceptions Your Students May Have

📓 Teaching Resources for 7.7B

🌎 Phenomenon Ideas for 7.7B

A Merry-Go-Round at the Park

Two Planes, Same Speed, Different Trips

A Soccer Ball Rolling Toward the Goal

💡 Free Engagement Ideas for 7.7B

Speed vs. Velocity Sentence Sort

Compass-Guided Walking Trials

Marble Maze Direction Changes

Arrow Diagrams for Velocity

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