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In this activity, learners investigate color vision as well as plan and conduct their own experiments.

In this activity, learners investigate the sense of sight and develop and conduct their own experiments.

In this optics activity, learners conduct an experiment to explore peripheral vision. Learners collect data about their ability to see shapes, colors, or letters using their peripheral vision.

This activity (on page 2 of the PDF under SciGirls Activity: Colorblind Dogs) is a full inquiry investigation into dogs' ability (or inability) to see color.

In this lab (Activity #1 on page), learners explore how we see color.

In this activity, learners conduct an experiment to test how fast they can react. Learners try to catch a piece of paper with a ruler printed on it (or a ruler) as quickly as they can.

In this activity, learners investigate visual perception as well as plan and conduct their own experiments.

These two activities (4th on the page) demonstrate the importance of two eyes in judging depth.