Systems & Conservation of Mass
Properties
Everything Matters
Vocab
Gas Hunt
100
Explain the difference between an open and closed system.
Open systems aren't sealed shut so matter can get in or out. Closed systems are sealed shut so nothing can get in or out.
100
What is the property that tells us how a substance interacts with fire?
Flammability
100
The 3 states of matter
solid, liquid, gas
100
In a closed system the mass of a chemical reaction will decrease
false
100
Which gas in the table changes from solid to gas with no liquid phase?
Carbon Dioxide
200
Can matter be created or destroyed?
NEVER!
200
If a substance dissolves in water it is considered:
soluble
200
Draw a Model of gas particles
200
What is trapped inside of bubbles?
Gas
200
Which gas represents the highest percentage of air?
Nitrogen
300
True or false: If a system is open, mass can leave or enter the system.
True
300
The property that tells us if a substance rises or sinks
density
300
matter is made up of tiny ____________
particles
300
A combination of multiple substances is called a:
mixture
300
Which 3 gasses are still possibly the bath bomb gas?
(Hint: The bath bomb gas extinguishes a flame and it sinks in air)
Nitrogen, argon, or carbon dioxide
400
Give an example of an open system you see every day.
Answers may include: a boiling pot of water, a living organism, a fish tank, earth's atmosphere, etc.
400
Properties are characteristics of substance that are __________ _________
always true
400
How are the particles in a liquid spaced apart? How do they move?
Medium distance apart and moving medium speed (faster than solid particles but slower than gas)
400
characteristics of a substance that don't change.
Properties
400
Air is a mixture. What does this mean?
Air contains many different gases in it. It is not simply one substance
500
In a closed system, if you mix vinegar and baking soda and trap the gas, how will the mass change after the reaction?
The mass will stay the same, showing conservation of mass.
500
What are the three substances required to make the bath bomb fizz?
Baking soda, citric acid, water
500
What do we call the process when a liquid turns into a gas?
evaporation or boiling
500
less dense substances ___________ and more dense substances __________.
rise : sink
500
Which gas on your table has a density lower than helium and can also create an explosion?
Hydrogen