Make an observation, Recognize the problem and state it clearly. Some information becomes known or something happens that requires action., Formulate a hypothesis, Propose possible solutions to the problem or explanations, Perform an experiment, Decide which of the solutions is the best or decide whether the explanation proporsed is reasonable.

Leaderboard

See top players

Leaderboard

Visual style

Mga Option

I-switch ang template

Leaderboard

See top players
)
I-restore ang gi-autosave: ?