Scientific Questions
What's a variable?
Anything that might affect the outcome of an investigation.
what is a cientific question?
is an observation of the world to collect data and try to answer the question.
Mention the states of matter
Solid
Liquid
Gas
What does "H" means
Hydrogen
Homero
What's an independent, a dependent and a control variable?
The independent is the one you can change without altering the others.
The dependent is the one thst depends on the change of the other variables.
Control variable is the one that you need to have it control for them to not affect the investigation.
what do you need to have a succesful scientific plan?
scientific question
independent, dependent and control
a prediction
a list of equipment
a risk assessment
and how do you collect accurate and preccise data
What is the boiling point?
the temperature of wich a substance boil is the boiling point
What does "Na" means?
sodium
How many year does Chabelo have?
87
What is precise and accurate data
Precise data gives you similar results, if you repeat the measurements.
The accurate data is the closest to the true value you are trying to get.
How do you record data?
with a result table
What happens in the process of freezing?
The particles start moving slowly as they transfer enrgy to the surroundings.
What does "N" means
nitrogen
How many seasons does the Simpson have?
33
What is repeatability and reproducibility?
Repeatibility is when you do an investigation severla times and the data is similar in all the outcomes.
Reproducibility is when other person does the same investigation and the data is similar.
what is a risk assessment?
the explaining of how you will reduce the chance of damage of the equipment injury to people.
How you can measure the boiling point of a substance?
-pour the liquid into a breaker
-heat the liquid, and measure the temperature every minute
-plot the results on a graph
What does "S" means
Sulfur
Who is named the king of rock in USA?
Elvis Presley
Metion the 3 types of data
-Continous.
-Discrete.
-Categoric
what is hypothesis?
is a prediction of what you think its going to happen in an investigation.
In which state of matter do the particles have the most energy?
Gas
H2+O2=H2O
2H2+O2=2H2O
what does FIFA means?
Fédération Internationale de Football Association