What are the names of the different chemical apparatus?

so far i have the beaker, graduated cylinder, erlenmeyer flask, bunsen burner, and test tube. whats the name of the squarish thing with the circle in the middle? its used for holding test tubes and preventing them from rolling off a desk. and whats the triangle thingy called? and what about the thing that looks like a funnel? and the thing that looks like a bowl to grind nuts with? thankyou