A control apparatus for controlling a thermal sensation providing device that provides a thermal sensation to an object coming in contact with a virtual material includes a database configured to store first information indicative of a relationship between a type of virtual material and a speed of a temperature change during a first period that starts at a commencement of providing the thermal sensation and that ends at a lapse of a first time length from the commencement, and a temperature control unit configured to control a temperature provided by the thermal sensation providing device during the first period based on the first information.