The Scientific Method Chapter 1 Section 2. Checks for Understanding. 0807.Inq.1 Design and conduct an open-ended scientific investigation to answer a question that includes a control and appropriate variables.
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I can establish a testable hypothesis.
I can explain how the scientific method is used to answer questions.
I can explain how the scientific method is used to solve problems.
A way to answer questions and solve problems
Scientist often ask questions after
involves a logical conclusion drawn from available evidence and prior knowledge
uses the five
senses to gather information
Published “ observer. The Sceptical Chymist”
…stated that scientific speculation
was worthless unless it was supported
by experimental evidence.
This principle led to the development of the scientific method.
“My mother the eye doctor” observer.
Observation or Inference?
The piece of paper is a note from the mother of the batter.
One player is holding a bat.
The player holding the bat is talking.
One of the teams is called the “Reds.”
One player is a catcher.
Names are written on the uniforms.
The players in the picture are on opposite teams.
The adult is the umpire.
The adult is holding a piece of paper.
The mother of the batter is an optometrist or opthalmologist (an eye doctor).
One player is wearing a catcher’s mask.
If you compare hand brakes and coaster brakes on the same bicycles, then the hand brakes will be more effective at stopping the bikes quickly, because they apply pressure directly to the wheel hubs.
any factor that
the order of events
in an experiment;
Experiments must be controlled; they
must have two set-ups that must differ
by only one variable.
The conclusion must be based on the data.
Pieces of information acquired through experimentation
Observations are also called data.
There are two types of data.
qualitative data quantitative data
no numbers must have numbers
Depending on your
conclusion, you might ask
a new question and gather
more information or
change the procedure
Common SI Prefixes: observer.
Measuring Length--the common SI measure of length is the meter (m). One meter = 39 inches (approx.)
Common conversions include: 1 km = 1000 m, 1 m = 100 cm, 1 m = 1000 mm, and 1 cm = 10 mm
Scientists use a meter stick to measure length or distance.
modified by Liz LaRosa www.middleschoolscience.com 2009, from original posted at:www.science-class.net/PowerPoints/Observation_Inference_8th.ppt
Look at these two sets of animal tracks. observer.
List 3 OBSERVATIONS
Make an INFERENCE
In your science notebook, write your conclusion.