Girl Scout Patch – Color-a-Pixel

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Color-a-Pixel Patch

Satellite images are built from thousands (or millions!) of tiny squares called pixels, and each one adds a small piece of information to the overall picture. The more pixels an image has, the higher its resolution — allowing scientists to see finer details and better understand Earth’s surface.

Get This Badge about Color-a-Pixel Patch

Age

11+

Duration

~1 hour

Color-a-Pixel Patch

Uncover how a single pixel can tell a powerful story and discover how scientists use images from space to understand our changing planet.

Color-a-Pixel Patch

Resources

Color-a-Pixel Patch Activity

Click here for the Color-a-Pixel Patch activity sheet in PDF form.

Purchase the Patch

Color-a-Pixel Patch Activity

Discover how scientists see the Earth from space, one pixel at a time.

Explore your pixel grid

Color your image

Discover the power of resolution

What is the significance of pixels in satellite data?

Lots of satellites take pictures of Earth. Often, each satellite is programmed to travel in a specific orbit – meaning a circular path – around the plant, photographing specific areas. As technology has gotten better, we get better and better pictures. The quality of a picture is called its resolution, which is determined by how many individual dots of color (pixels) make up the image. 

In this activity, we are going to understand how pixels are important to pictures by coloring in each pixel on our own satellite image. As you color each square, the image will start to appear!  

How do scientists use pixels in their research?

Satellite image resolution is important for scientists, because it determines how much detail they have to be able to accurately observe, measure, and analyze the Earth’s surface. For example, a high-resolution image would be needed for a researcher to count how many individual trees are in a particular area. 

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