Unit 1 Summative Bath bomb Review

Flammability:

The bath bomb gas _______________________ a flame.

• ignites easily
• extinguished

• supports combustion
• burns rapidly

Density:

The bath bomb gas __________ in air around it.

• rises
• disappears
• stays the same
• sinks

Molecules:

Citric acid and baking soda have _____ and _____ atoms in them.

• sodium and chlorine
• carbon and oxygen

• oxygen and nitrogen
• calcium and phosphorus

Tags

NGSS.MS-PS1-1

The only gas that could be produced by the bath bomb is __________________

• helium
• nitrogen
• carbon dioxide
• oxygen

Tags

NGSS.MS-PS1-2

_______________ are used to identify substances because they do not change

• Spectroscopic analysis
• Visual inspections
• Properties

• Physical tests

 The bath bomb gas 

_______________ a flame

• can extinguish
• can combust

• can ignite
• can cool down

Tags

NGSS.MS-PS1-2

 chemical 

Chemical reactions change matter by breaking molecules apart and _______________ 

them together into new substances.

• bonding

• destroying
• transforming
• compressing

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Citric acid, baking soda, and water  

does not have _____ and _____ atoms

• Argon and Nitrogen

• sodium and oxygen

• oxygen and carbon

• oxygen and hydrogen

Tags

NGSS.MS-PS1-1

Which is a model of Baking soda

NaHCO3

• 
• 

Tags

NGSS.MS-PS1-1

Which is a model of Citric Acid

• 
• 

Tags

NGSS.MS-PS1-1