Scientific Method
Which is the first step of the scientific method?
Observation
How are the particles in gas state?
all spread, separated between each others.
What is condensation?
Gas to liquid
What is the first element of the periodic table?
Hydrogen
What are the steps of scientific method?
Observation, making a question, hypothesis, experiment, analysis, conclusion.
How are the particles on liquid state?
No as separated as in gas state, but more spread than in solid state.
what is sublimation?
What are atoms composed by?
Protons, neutrons, electrons
What is a variable?
Anything that can affect your results
How are the particles in solid state?
Grouped, touching each others.
liquid to gas
Are all the atoms the same?
No, it dependes of the element.
what is an independent variable?
A variable that you can change to directly afect the result.
What is melting?
when something changes from solid to liquid state
Does all the substance has the same boiling point?
No, it depends of the substance
How many elements are?
92 naturally, and 26 made on laboratory
What is a dependent variable?
it's the one that is afected by the independent variable.
What is freezing?
when something changes from liquid to solid
Is melting point the same from all the substances?
No, it depends of the substance
what is an atom?
The smallest part of an element