True or false: A scientific prediction should be based off of evidence (including research and observations)
True
An educated prediction of what will happen in an experiment based off of observations, research, or prior knowledge.
hypothesis
What 3 words should be in a hypothesis?
If
Then
Because
Qualitative or quantitative or inference?
Noodle has a brown, tan, and black pattern
Qualitative
How many independent and dependent variables should there be in order to have a valid science experiment?
One
what is an independent variable
Any of these:
the part of an experiment being changed or manipulated
What "I" change
What you are testing / changing
A factor that is kept the same throughout an investigation.
Constant Variable
(everything other than the I.V. and D.V. must stay the same)
What word better describes a hypothesis?
guess. or prediction
prediction....and it is based on reasoning
Qualitative or quantitative or inference?
Noodle is 78 cm long
Quantitative
what is a controlled procedure with independent and dependent variables carried out to test a hypothesis (or answer a testable question).
Experiment or test
what is an observation
Information gathered using your senses or scientific tools.
A Group that is untouched by the independent variable. It is left entirely unaffected by the experiment. It is used to compare the affected groups to.
control group
What variable comes after the If...
Independent variable
Qualitative or quantitative or inference: The ducklings were born recently
Inference
Data that involves descriptive observations such as the plant leaves being green and smooth.
Qualitative Data
What is the Dependent Variable
The result
What is measured
What word should a testable question NOT start with?
How?
Why?
What?
Why?
In the scientific method, what usually lead to testable questions and then a hypothesis?
observations
Qualitative or quantitative: There are 12 red cars
both!
qualitative and quantitative
Data that involves numbers and measurements, such as the length of a plant growing 15cm
Quantative Data
The group that stays the same and not given any changes in the experiment. Does not receive independent variable.
What is the Control group
What two things must a testable question include?
An I.V. and D.V.
Independent and Dependent variable
How should a hypothesis be written?
If (independent variable change), then (dependent variable outcome), because (reasoning)
qualitative or quantitative observation or inference: The forked tail fin helps the fish swim fast
Inference
With our pop pop fizz fizz experiments, what was the independent and dependent variables?
IV =
DV =