Hi Flashcards
If you increase thermal energy what will change
The state of matter
If you put gallium in your hand what will it change to
A liquid
What is an independent variable
Things that YOU change. (Time)
What is a dependent variable
Things you measure or look for
What are constant variables
Things in the experiment you could change but you shouldn’t change
Variables in an experiment are anything that you can what
Change
Variables in an experiment are anything that you can what
Change
If temperature is increasing what is happening to the state of matter
It changes
What do we use to measure temperature in science
Celsius
What variable is time
Independent variable
What variable is temperature
A dependent variable
What type of graph would be best to use to measure temperature increasing
A line graph
What happens when only a liquid is present?
The temperature is not high enough to cause a change in the state of matter (phase change)
When 2 states of matter are present at the same time what is an explanation
They are present when the time and temperature are at the high levels
If you continued to heat the water after it turned into a gas what do you think would happen to the temperature
I think the water would start boiling and then turn into a gas. It would continue to expand and the temperature will keep on increasing
What is condensation
When the temperature of a gas becomes low enough, it changes from a solid to a liquid
Vaporization
Memorization is the opposite of condensation… It is when something changes from a liquid to a gas
Evaporation
Evaporation is vaporation that occurs on the surface of a liquid
Boiling
Is evaporation that occurs in a liquid
True or false Whether a liquid is changing to a gas or a gas is changing to a liquid a substance will always change phases at the same temperature
True
True or false Whether a liquid is changing to a gas or a gas is changing to a liquid a substance will always change phases at a different temperature
False
True or false once a substance reaches a certain point the particles cannot go any faster without changing to another state of matter
True
True or false once a substance reaches a certain point the particles can go faster without changing to another state of matter
False
What is potential energy
The stored energy due to the interactions due to particles or objects
Are these examples of potential energy or not
Kinetic energy
Somethings can have both type of energy at the same time
No
Are these examples of potential energy or not
Bow that’s pulled back
Top of a roller coaster
Food
Yes they are
Does potential energy increase or decrease
Yes it increases
As energy is transferred to a material temperature increase when the state of the material is NOT ___________
Charging
As energy is transferred to a material temperature increase when the state of the material is NOT ___________
Charging
The _________ energy of the particles increases and so does the ________ of particles
The kinetic energy of the particles increases and so does the speed of particles
When a substance is changing state the temperature stays the same at the melting points.. The __________ energy of the particles increases and so does the _________ between the particles
When a substance is changing state the temperature stays the same at the melting points.. The potential energy of the particles increases and so does the distance between the particles
CLAIM- A statement about the results of an investigation that describes the relationship between the independent and dependent variable
The amount of thermal energy determines the state of matter
Specific data (quantitative and quantitative) that supports you claim
When I increased the thermal energy of ice it changed into water around 0*C
Why are different substances at different states at the same temperature
Each substance has a unique melting and boiling point. The type of particles affect how much of energy is needed to cause a change in
What does the total energy of a substance depend on
1 temperature
2 state of matter
3 mass of substance
4 type of matter of the substance
Thermal energy is what
The total energy of a system
