Search Results

In this technology activity, learners explore digital imaging and pixels. Learners "transmit" an image to a partner by creating an image on grid paper.

In this activity, learners build a simple pinhole viewer. They use this apparatus to project images from a variety of light sources, including a candle, the Sun, and the Moon.

Historically, sea floor mapping (bathymetry) was done by soundings.

In this activity, learners explore sensors and focus specifically on how to measure humidity using a sensor.