Ace formative assessment

Where is there a high concentration of bbq smoke?

• In the bbq pit
• In the house
• Two streets over
• In the atmosphere

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, this has taken place.

• diffusion
• mitosis
• endocytosis
• photosynthesis

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

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

An increase in temperature does what to diffusion?

• Speeds it up
• Slows it down
• Has no effect
• I wish i knew. Really I do.

In the picture the red dots represent...

• solvent

• solute

• solution

• diffusion

In the picture the blue region represents...

• solvent

• solute

• solution

• diffusion

A compound is a substance made up of ___________ different ________ which are chemically bonded together.

• two or more

• non-metals

• elements

• one or more

• metals

Distillation is made up of ___.

• evaporation, then condensation

• condensation, then evaporation

• boiling, then condensation

• condensation, then boiling

What is 6 and 7?

• 6: water in / 7: water out

• 6: water out / 7: water in