Sighting activities with frames and tubes
Students stand on either side of a picture frame. Two students observing a wooden frame from a distance. Student uses a frame together with grating in the railing and the window. Student drawing on paper over frame. A student holds a frame in class to show others what she saw. Student blackboard drawing. For the top diagram, the viewer \[left vertical hash\] and the object \[right vertical hash\] stay fixed while the frame \[hash with arrow\] is moved to the right. For the bottom diagram, the frame and the viewer are moved to the left together while the object stays fixed. Student drawing on paper looking through a frame. Student drawing on plexiglass of what is seen through the frame. Students spot something in the sky. Tubes veer toward the bright object. Student watching through a tube. A students phone sky program identifies the object as Jupiter. Another student viewing the night sky through a tube. Student drawing on paper looking at fence and shadows at sunset.