4th term rev (very important!!!!!)

__________ and cell wall are the structures only found in plant cells.

_______ is the liquid in which substances dissolves in.

Iodine solution (yellow in color) is used to _____ the animal cells

_______ is the process in which gas changes into liquid

______________ is to control the movement of substances in and out of the cell

Sedimentation and filtration can remove _________ impurities

Steps of scientific investigation: 1. Observe and ask questions --> Make a ____________ --> Carry out the experiment --> Record the result --> Draw a ____________. (ans: xx, xx)

Matter is anything that occupies _____ and has ____ (ans: xx, xx)

___________ forms when gas particles hitting the inner wall of the container constantly.

The density of a substance is its ______ per unit volume. Its unit is kg/m³ or _________. (ans: xx, xx)