Description:The rod, inserted into the water tank and viewed from an angle, shows a discontinuity at the surface of the water. Insert the other end of the rod at an angle into the water; the rod looks bent when viewed at an angle.
Invite different students to view the tank from different angles and draw what the rod looks like. Have them compare their experiences and discuss.
Read 776 times
Last modified on Tuesday, 22 August 2017 14:23