Worksheets7.1 Chemical Reactions and Matter So Far
Total questions: 7
Worksheet time: 4mins
Bath bombs are placed into a bottle with water and sealed up - bubbles of gas appear in the closed system. Where is the gas coming from?
completely new matter that somehow just appeared
matter that was already inside the closed system
a leak in the closed system bottle
Which could be evidence of a chemical reaction? SELECT ALL THAT APPLY!!!!
a temperature change
distinct color change
fizzing and bubbling
a new solid or precipitate is formed
Which are NOT ingredients involved in the chemical reaction for the bath bomb in water phenomenon?
citric acid
coconut oil
epsom salt
baking soda
Which are properties of matter that we used to identify the gas produced by the bath bomb in water?
density
color
temperature
flammability
Which gas is being produced by the bath bomb in water?
argon
nitrogen
oxygen
carbon dioxide
For the sunset in a bag reaction, what was used to show the difference in pH or acidity or basicity?
a baggie
an indicator
a thermometer
What are molecules made of?
peanut butter
atoms
jelly
cells
