To prove if a hypothesis is right or wrong we use ...

• experimentation

• observation

• comprobation

• the opinion of other scientists

Which one is the first step of the scientific method?

• hypothesis

• experimentation

• comprobation

• observation

The logical order in the steps of the scientific method is ...

• hypothesis, observation, experimetation, theory or scientific law, ask a question

• observation, theory or scientific law, ask a question, experimetation, hypothesis

• observation, ask a question, hypothesis, experimentation, theory or scientific law

• ask a question, hypothesis, observation, theory or scientific law, experimentation

Which is the reason why a theory could change over time?

• The change of the government of a country

• better universitiies

• new discoveries

• changes in the opinion of people

Reed the sentences and decide which one is a hypothesis

• Roses are more beautiful than violets

• A plant need to be every day, five hours under the sun, at least, to grow up.

• Icecream is delicious

• Reggaeton is the best music of all

After experimentation, next step is

• a theory

• to propose a hypothesis

• to analize the data

• to make a new observation

One of these sentences is false, which one?

• Hypothesis are always correct

• A hypothesis always is based on observation

• A right hypothesis can become a theory

• A hypothesis is proved using experimentation

A hypothesis is

• A possible answer to something observed

• A truth that doesn`t need to be proved