Matter conservations Matters Quick Check:

1.Which change is chemical
ANSWER: Water undergoing eletrosis…

2.which number remains unchanged during photosynthesis
ANSWER: the number of carbon atoms

3.In a chemical change reaction which aspect of the reactants changes?
ANSWER: arrangement of the
atoms

4.A young snake eats a digests a mouse…
ANSWER: The mass of the mouse minus the mass of waste produced by the snake.

5:Cellular respiration transforms glucose and oxygen…
ANSWER:6