SCHS - Physical Changes - Science - KS3

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

• diffusion
• mitosis
• endocytosis
• photosynthesis

Tags

NGSS.MS-PS1-4

What does “high concentration area” mean?

• Spread out
• Tightly packed together
• Uncrowded
• Spacious

Which diagram best shows the end result of diffusion?

• F
• G
• H
• J

Tags

NGSS.MS-PS1-4

Diffusion stops when the concentration is evenly spread out - true or false?

• 100% definitely true.
• Could be false though.

Diffusion allows the movement of particles without having to use any _____

• Energy
• 4G
• Data
• Transport proteins

In diffusion, particles move down a _______ ________

• Concentrate gradient
• Conceited gradient
• Concentration gradient 
• Concentrated orange juice

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

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

The amount of solute actually dissolved in a given amount of solvent.

• dilution
• concentration
• saturated solution
• supersaturated mixture

Which is an example of a solvent?

• Salt
• Egg whites
• Water
• Sugar

Which is an example of a solute?

• Egg whites
• Sugar
• Water
• Acetone