QUESTIONS AND CORRECT DETAILED ANSWERS | LATEST
UPDATE (2026/2027) | ALREADY GRADED A+
Matter - CORRECT ANSWER -anything that has mass and takes up space
Model - CORRECT ANSWER -an explanation or representation of something that cannot be seen
Element - CORRECT ANSWER -a collection of atoms that all have the same number of protons
Molecules - CORRECT ANSWER -chemicals that result from atoms linking together
Physical change - CORRECT ANSWER -a change that affects the appearance but not the chemical
makeup of a substance
Chemical change - CORRECT ANSWER -a change that alters the makeup of the elements or
molecules of a substance
Phase - CORRECT ANSWER -one of three forms - solid, liquid, or gas - which every substance is
capable of attaining
Diffusion - CORRECT ANSWER -the random motion of molecules from an area of high
concentration to an area of low concentration
Semipermeable membrane - CORRECT ANSWER -a membrane that allows some molecules to
pass through but does not allow other molecules to pass through