Cornell University
Beam Focusing Using Lenses
Explore optics using an inquiry-based experimental approach! Young scholars use a set of materials to design and build a unit capable of focusing a beam of light. They experiment with different lenses to determine the best approach to...
Cornell University
Resolution—Not Just for the New Year
Experiment with optical resolution using an inquiry-based instructional activity. Young researchers calculate fellow classmates' optical resolutions. They apply the information to understand the inner workings of optical instruments.
National Nanotechnology Infrastructure Network
Understanding Wave Motion - Slinky vs. Snaky: Which Spring is Dominant?
Ride the wave to an understanding of refraction! The first in a series of two inquiry-based lessons challenges learners to create transverse waves with two different types of springs. As their wave hits an object, they observe the change...
Curated OER
Geometry of Radio Meteor Reflections
Ninth graders investigate and describe ways that human understanding of Earth and space has depended on technological development. They describe and interpret the science of optical and radio telescopes, space probes and remote sensing...
Curated OER
Which Colored Filter Will Decode a Secret Message?
Students investigate how to create secrete messages through filters. They view pictures with red and green filters and discuss what they observe. They select the color filter that works best to read secret messages. They view pictures...