Once Jared completes the experiment, he will compare the amount of foam between different sets of glasses.
Drag each tile to the correct box to identify which variable he is analyzing when he compares each set of
glasses.

it cools slower in the earth meaning the crystals have more time to form than lava on the surface

sheep is a herbivore animal whereas grasshopper belongs to the class chordates but both of them feed on greens.  

if grasshopper and sheep feeding on a pasture land, i do not think both of them will have any impact on each other. however, the number of the species can make difference. since sheep feed on greens, there is a possibility there left no pasture land for the grasshoppers or they may get extinct.