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Lesson Plan
National Wildlife Federation

Quantifying Land Changes Over Time Using Landsat

For Teachers 9th - 12th Standards
"Humans have become a geologic agent comparable to erosion and [volcanic] eruptions ..." Paul J. Crutzen, a Nobel Prize-winning atmospheric chemist. Using Landsat imagery, scholars create a grid showing land use type, such as urban,...
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Lesson Plan
Code.org

Encoding Color Images

For Teachers 9th - 12th
Color me green. The fourth lesson in a unit of 15 introduces the class to color images and how to encode color images using binary code and hexadecimal numbers — and they will quickly notice that it is easier to code the color for each...
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Activity
PBS

Passion for Pixels

For Teachers 3rd - 8th
Picture this: a fun activity for pupils to discover pixels. After learning about digital signals and pixels, scholars act as senders and receivers of an image. The sender indicates zero or one to tell whether each square in a grid is...
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Activity
Discovery Education

Satellite Telemetry

For Teachers 9th - 12th
Satellites require rockets to launch, but it doesn't take a rocket scientist to understand them. Future engineers learn about how satellites send data to Earth and how to interpret satellite images. They see how radio waves play a role...
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Activity
101 Questions

Retina Display

For Students 6th - 8th Standards
Learners calculate the pixel density of a specific cell phone using the concept of similarity. They use information from the cell phone's website to make their calculations and then compare their results to the posted information.
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Lesson Plan
TryEngineering

Graphics: Bits and Points

For Students 3rd - 6th Standards
What can a mural teach pupils about computer science? The lesson has scholars create a mural on a wall to learn about bitmap and vector graphics. Along the way, they learn about the graphics coordinate system.
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Lesson Plan
Bowland

Design the Mascot

For Teachers 6th - 9th
Explore how resizing an object affects its area. The set of lessons challenges young mathematicians to design a mascot for electronic devices. These designs undergo resizing to determine how scale factors of dilation affect area.
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Lesson Plan
Code.org

Encoding B and W Images

For Teachers 9th - 12th
Imagine drawing with zeros and ones. The third lesson in a unit of 15 introduces the class to creating black and white images. Pairs get together to create an encoding scheme in order to make these images. They move on to a using a...
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Activity
Exploratorium

Pixels, Pictures, and Phones

For Teachers 6th - 12th
Take a real close look at your phone screen. What do you see? Here's an activity that provides guidance on how to look at a smart phone screen in order to see the pixels and to see how the phone creates colors and motion on the screen.
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Lesson Plan
Computer Science Unplugged

Colour by Numbers–Image Representation

For Teachers 2nd - 12th
How do computers store and send images? Here's an activity that explains one way a computer can compress image information. Pupils decode run-length coding to produce a black and white image. Pairs then work together to code and decode...
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Activity
International Technology Education Association

Pixel This!

For Teachers 6th - 10th
Did the image I drew match the image you saw? By simulating a satellite and a ground station, teams of two transmit data in the form of pixels in order to recreate an image. They use four different levels of brightness, creating slightly...
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Lesson Plan
Curated OER

Pixel Drawings

For Teachers 7th - 12th
Middle and high schoolers re-create a magazine photo or other picture and make it into a drawing using pixels. This fun art project should be a hit with your charges! The materials needed to implement the lesson should be easy to get,...
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Activity
Computer Science Unplugged

Drawing Lines with Pixels

For Teachers 4th - 12th Standards
How do the computers keep it straight? Using the provided algorithms, class members draw a line and a circle using pixels. They then check the drawings using a straight edge and compass to determine the accuracy of their drawings. 
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Worksheet
Curated OER

Correcting Bad Data Using Parity Bits

For Students 8th - 10th
In this parity bits worksheet, students read about pixels and data strings. Students are given 2 data strings that are corrupted by cosmic ray glitches and they identify the bad data and create a valid data string.
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Worksheet
Curated OER

How To Make Faint Things Stand Out In a Bright World!

For Students 9th - 12th
In this averaging and pixel instructional activity, students solve 5 problems including finding the average value of 9 images given pixels, distinguishing between background 'noise' and the source and detecting faint sources in bright...
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Lesson Plan
Curated OER

Painting the Hallway with Pixels

For Teachers 6th - 8th
Students create science design to be painted on the wall in the hallway of the science area of the school building. They measure space available, make a scale model of the design, and paint different pixels.
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Activity
Science Buddies

Science Buddies: Color Saturation

For Students 3rd - 5th
Lively, vivid colors can add pizzazz and turn a dull photo into a work of art. Learn how changing the saturation levels of the colors in your photo can really make it pop.
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Activity
Science Buddies

Science Buddies: Digital Photos and Dynamic Range

For Students 9th - 10th
Digital cameras can be a great way to learn about photography. Most digital cameras today have LCD screens, so you get instant feedback on your photo. If you make a mistake, no problem, you just delete the picture. It's nice that you...
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Interactive
NASA

Nasa: Play Pixel This!

For Students 3rd - 8th
This site from the National Aeronautics and Space Administration provides great information on the subject. Learn to see things more clearly by studying about pixels and how they are used in cameras.
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Lesson Plan
University of Canterbury

University of Canterbury: Cs Unplugged: Image Representation

For Teachers K - 1st
This activity explores how images are displayed, based on the pixel as a building block using data compression. The compression method used in this activity is based on the one used in fax machines, for black and white images.