Chemistry - End of Term

The change from liquid to solid, or the reverse of melting, is called:

• freezing
• condensation
• boiling
• sublimation

Tags

NGSS.MS-PS1-4

During the process of sublimation,

• a solid turns directly into a gas
• a liquid turns to a gas
• a solid turns into a liquid
• a gas turns directly into a solid

Tags

NGSS.MS-PS1-4

The characteristic temperature at which a pure solid changes to a liquid is its __________ point.

• melting
• boiling
• Schaffer
• pressure

Tags

NGSS.MS-PS1-4

The characteristic temperature at which a pure liquid changes to a gas is its __________ point.

• boiling
• melting
• Snavely
• pressure

Tags

NGSS.MS-PS1-4

Liquids have a __________ volume and ___________ shape.

• Definite, Definite
• Definite, Indefinite
• Indefinite, Definite
• Indefinite, Indefinite

Solids have a __________ volume and ___________ shape.

• Definite, Definite
• Definite, Indefinite
• Indefinite, Definite
• Indefinite, Indefinite

Gases have a __________ volume and ___________ shape.

• Definite, Definite
• Definite, Indefinite
• Indefinite, Definite
• Indefinite, Indefinite

Tags

NGSS.MS-PS1-4

What is diffusion?

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

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