How can we help?
You can also find more resources in our
Select a category
Something is confusing
Something is broken
I have a suggestion
What is your email?
What is 1 + 3?
An Explanation based on observed facts about how things work
Defined in the following steps: state the problem or question, propose an explanation, collect evidence by an experiment analyze data and draw conclusions
in science examines and discusses whether an investigation should or shouldn't be done
Data gathered through research and experiments.
the process of reaching a conclusion based on evidence and reasoning
the action of noticing significant details in order to gain information
giving up one things in favor of another
often use a placebo group and is a controlled testing usually on a new medication
an experiment that isolates the effect of one variable on a system by holding constant all variables but the one under observation
a harmless substance with no effect, used as a control in testing new medicines
the number of objects in the sample
the action of imitating the character or appearence of something
is an actual experience that is meant to mimic, or be like another experience
agreement by a patient to participate in an experiment after they understand the risks involved
any effect that seems to be consequence of giving a placebo. The change is usually beneficial