The movement of particles from an area of higher concentration to an area of lower concentration is called
A. osmosis
B. diffusion
C. Brownian motion
D. parallel motion
Related Questions on Chapter 17: Particle Model of Matter - Science Mcqs for Grade 7
Who suggested that atomos were eternal and could not be destroyed.
A. Democritus
B. Aristotle
C. Robert brown
D. Albert Einstein
The density of a substance is the total mass of a unit. It is called
A. weight
B. volume
C. gravity
D. force
An advance microscope which allows us to see tiny discreet articles in matter is called
A. simple microscope
B. compound microscope
C. electron microscope
D. scanning tunneling microscope
To explain and understand natural phenomenon, there is given a
A. theory
B. formula
C. model
D. structure