What is on channel 7 at 7 pm tonight?

Are metallic and glassy two types of cleavage? How does the silica content of an intermediate rock compare with that of felsic and mafic rock? The Tyndall effect is the scattering of light by the particles in a what? What did Rutherford's gold foil experiment tell about the atom? Does a permanent magnet still work when the bottom of it is glued to wood? What does a ULVA produce? Calculate the final temperature of the gas? How did Mt Diablo form? What is a penencela? Two Tablespoons of milk equals what part of a liqud measurement cup? Do sphynxs get cold? What are elongated troughs on the ocean floor called? What is the weakest part of a human cell? Why do lamps can be lighten with electricity? How does a cardiac action potential work? When atoms are forming chemical bonds they are trying to reach what configuration? What is the noble gas configuration of mercury? Why does a liquid's rate of evaportion increase when the liquid isheated? Is Obsidian known as volcanic glass? Does corroding iron change the identity of the substance?