Chemistry review part 1

Classify the following as either a physical or chemical change: Burning a marshmallow.

• Physical

• Chemical

• Both

• Neither

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Classify the following as either a physical or chemical change: Ripping up a piece of paper

• Physical

• Chemical

• Both

• Neither

Classify the following as either a physical or chemical property: Marshmallows are white.

• Physical

• Chemical

• Both

• Neither

Match the term with the definition: Solid.

• Definite shape; definite volume

• Change from liquid to solid

• Indefinite shape; definite volume

• Change from gas to liquid

Tags

NGSS.MS-PS1-4

Match the term with the definition: Liquid.

• Indefinite shape; definite volume

• Change from liquid to solid

• Definite shape; definite volume

• Indefinite shape; indefinite volume

Tags

NGSS.MS-PS1-4

Match the term with the definition: Gas.

• Indefinite shape; indefinite volume

• Change from gas to liquid

• Definite shape; definite volume

• Change from liquid to gas

Tags

NGSS.MS-PS1-4

Match the term with the definition: Melting.

• Change from solid directly to gas

• Change from liquid to solid

• Change from gas to liquid

• Change from solid to liquid

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Match the term with the definition: Sublimation.

• Change from solid directly to gas

• Change from liquid to solid

• Change from gas to liquid

• Change from solid to liquid

Tags

NGSS.MS-PS1-4

What is the melting point of this substance?

• 60°C

• 80°C

• 100°C

• 120°C

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Classify salt (NaCl) as a pure substance or a mixture. If a substance, further classify as element or compound. If a mixture, further classify as homogeneous or heterogeneous.

• Pure substance; element

• Pure substance; compound

• Mixture; homogeneous

• Mixture; heterogeneous