Given a large beaker of water determine if these objects would sink or float in the water. styrofoam (D = .05 g/cm3)
ice (D = .92 g/cm3)
bone (D = 1.70 g/cm3)
balsa wood (D = 0.16 g/cm3)
gold (D = 19.32 g/cm3)

Aglow stick contains a glass vial with chemicals. when the glow stick is bent, the vial breaks and the chemicals react to produce a glow. a science student observes that a glow stick kept in the freezer glows for a longer duration than a glow stick kept at room temperature. what conclusion can be drawn based on the observation? be sure to note the outcome and test variables in the conclusion.

The melting point of sulfur is 115 °c and its boiling point is 445 °c. what state would sulfur be in at 200 °c?

Word equation for k(s)+h2o(l) yield koh(aq) + h2(g)