Clive finds that the water coming out of the faucet is a little muddy. He concludes that the color in the water is due to the mining activity in the nearby forest. Clive shares his conclusion with his science call. Hiss classmates question his conclusion, but Clive has no data to back up his conclusion.

Yes, endothermic means it turns cold. and some chemical changes include change of tempature.

It is a mixture. simply put, a compound must be pure, that is, of only one chemical structure and composition. a mixture is made of different chemical substances (i.e. elements, molecules, compounds) that are not chemically bonded to each other, but instead physically grouped together, as in the case of gasoline (a homogeneous solution).