the focus of the experiment -- complete sentence -- ends with a question mark the focus of the...

The focus of the experiment-- complete sentence-- ends with a question mark

Possible answer to the question;

purpose of experiment is to test this answer

--complete sentence--piece of question

1-Variable Chart2-Materials List3-Procedure-step by step directions, in order, no arrows--# on left--complete sentences--ends with “Compare data.”

Analysis of results--data as text

--pattern or comment

on data

Graph – 6 parts

Data table = ra

w data

(ruler)

1. Answer to the question (piece of question)

2. “The hypothesis was…” (supported or rejected)

AnalysisWith 0 pc’s, the mean flight time was ____ sec. After adding 1 pc, the time _______ to ___ sec. With 2 pc’s the flight time continued to _____ to ____ sec., and the time with 3 pc’s was ___ sec. After 4 pc’s the time continued to ______ to ___ sec., and the final flight with 5 pc’s had a mean flight time of ____ sec. As weight increased, the mean flight time ____.

ConclusionAdding weight ______ flight time. The hypothesis was __________ (accepted, rejected).

Hmmm… Anything missing?1. Fly the helicopter.2. Time it.3. Do it again with more paperclips.4. The end.

Constant VariablesConstant Variables a.k.a. a.k.a. ConstantsConstants

Inside the “C”…Inside the “C”…Something that Something that must be kept the must be kept the same for both same for both groups or it will groups or it will not be a fair test.not be a fair test.

Independent Independent VariableVariable

Inside the “Inside the “I I ”…”…The one thing The one thing you choose to you choose to do differently; do differently; sometimes called sometimes called the “cause”.the “cause”.

Dependent VariableDependent Variable

Inside the “D”…Inside the “D”…What you watch What you watch for or measure at for or measure at the end of the the end of the experiment – experiment – sometimes called sometimes called the “result” or the “result” or “effect”.“effect”.

Experimental GroupExperimental Group

Inside the “E”…Inside the “E”…The group of The group of trials (tests) trials (tests) where you try where you try something something different.different.

Control Control GroupGroup

Inside the “C”…Inside the “C”…The group of The group of trials (tests) that trials (tests) that are done in the are done in the regular or usual regular or usual way – USED FOR way – USED FOR COMPARISON.COMPARISON.