Diffusion and Osmosis Review

What does “high concentration area” mean?

• Spread out
• Tightly packed together
• Uncrowded
• Spacious

When particles move from areas of high concentration to areas less concentrated,  _______________ has taken place.

•  diffusion
• mitosis
• endocytosis
• photosynthesis

Tags

NGSS.MS-LS2-3

The picture  is an example of _________________.

• isotonic
• diffusion
• osmosis
• active transport

Where is there a low concentration of dye?

• at the bottom of cup
• in the color
• at the top of cup 
• no concenteraion gradient

Tags

NGSS.MS-PS1-2

The picture below is an example of _________________.

• osmosis
• isotonic
• diffusion
• active transport

Tags

NGSS.MS-PS1-2

What is diffusion?

• when molecules move 
• when molecules move from a high concentration to a low concentration.
• no movement 
• molecules move everywhere

Diffusion is the movement of molecules from an area of _____ concentration to a ______ concentration.

• High, low
• Low, high
• Low, low
• High, high

When do molecules reach a state of equilibrium?

• After a day and a night

• When the particles are evenly spread out

• When there are no particles left

• When all the particles leave the system

Which diagram best shows the end result of diffusion (equilibrium)?

• F
• G
• H
• J

Diffusion occurs more rapidly when it is a solid, liquid, or gas?

• liquid

• False

• gas