Scientific Method
When we gather information by using our five senses
Observation
Are sharks classified as mammals?
Verification
The number of times an independent variable or an experiment is tested
trials
What is a model?
representations of something else—an idea, an object, an event, a process, a system—and act as substitutes for the real things.
What does CER stand for?
Claim, Evidence, Reasoning
When you're creating a guess based off your observations and prior knowledge
inference
Does the amount of sunlight contribute to the how high sunflowers grow?
Experimental
these are kept the same throughout an experiment
constant variables
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What is the format for a hypothesis
If _____, then ____, because ____
A potential explanation or prediction that answers a testable question
hypothesis
Were there a higher number of earthworms in the field in the morning or around midday?
Comparison/Comparitive
The purpose of this group is to be a comparison. They get no special treatment
control group
We can classify models into one of these 4 types
physical, visual, mathematical, computer
True or False:
Scientific knowledge can change with new evidence
True
This is the part of the experiment that is purposely manipulated/changed
independent variable
How does the lizard's skin feel?
descriptive
Name 1 step before creating a hypothesis for an experiment
asking a question or researching a topic
uses a combination of written explanations and picture representations to show how or why a phenomenon occurs.
explanatory model
The past couple of years, there have been many that believe, once again, that the earth is flat. What has prevented this idea from being accepted by the science community?
Not enough evidence to support this theory
This is the variable that is affected by the changes made
dependent variable
What causes blackouts?
Theory
the part of the experiment that receives special treatment
experimental group
Name 1 characteristic of scientific models
Can be used to explain what we observed, Can help us predict future observations, they are realistic
After collecting evidence throughout an experiment, what should be done next
analyzing the data