Magnet and Nails  SIMPLE EXPERIMENTS GLOSSARY
conclusion

in science, a decision, result or outcome based on observation. A conclusion is why you think something happened.

control things that are not changed in an experiment
experiment

a test that is made under controlled conditions to demonstrate a known truth, or examine the validity of a theory or hypothesis.

hypothesis

a tentative explanation that is made by carefully examining observations or a set of facts and making an educated guess as to what the outcome might be.

laboratory notebook a journal kept during an experiment that contains all of your important ideas and information
material an item needed to conduct an experiment
observation looking at or watching things to find how they look or act
problem a question to be solved or answered

procedure a step to follow to conduct a controlled experiment
result something that happens during an experiment
theory

a scientifically acceptable general principle or body of principles that explains phenomena

variable one thing that is changed in an experiment
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