This is an activity during Solar Week, a twice-yearly event in March and October during which classrooms are able to interact with scientists studying the Sun. Outside of Solar Week, information, activities, and resources are archived and available... (View More) online at any time. This is an activity about reflection. Learners will create a foil funnel to focus light that can be detected by various means. This activity is scheduled to occur during Thursday of Solar Week. An optional part of this activity recommends use of a digital multimeter, an amp meter, and/or a solar cell. (View Less)

This is an activity about the Doppler effect. Learners begin by simulating the noise made by a passing siren. After learning that the change in pitch results from movement, they investigate the definition of frequency, calculate change in frequency,... (View More) and learn how this applies to light and the study of astronomy. This lesson requires a Doppler ball, also referred to as a buzzer ball. (View Less)