Scientific Design
What is the proper way to answer a scientific question?
Through the process of Claim, Evidence, and Reasoning
I have a board that is 7 meters. How many inches is that?
274.68 in
Hold with 2 hands, have cord wrapped in arm of microscope
The variable that does not change during an experiment is called the
List some lab safety procedures regarding the bunsen burner
What is the proper criteria for a claim?
• A claim is a statement that answers the initial question
• It will usually only be one sentence in length
• The claim does not include any explanation, or evidence
The Osseo cross country team went on a 3 km run. How many yards is that?
3280.83 km
What angle should I lay my cover slip down at to minimize the formation of air bubbles?
45 degree angle
The variable that represents the outcome of the experiment or the effect is known as the
Dependent variable
What is a scientific theory?
a well-substantiated explanation of some aspect of the natural world, based on a body of facts that have been repeatedly confirmed
•The evidence is the data used to support the claim
• It can be either quantitative or qualitative depending on the question
• We should use data that directly supports the claim.
52.78 M
What is the piece of the microscope called that allows me to adjust the intensity of light passing through my slide?
diaphragm
The variable that the scientists alter or manipulate is known is the
Independent variable
Generally it is better to do multiple or single experiments when trying to answer a scientific question
Multiple
• The reasoning is the explanation of “why and how”
• We reference the evidence in the reasoning
• It should include an explanation of the underlying science concept that produced the evidence or data
An object is 87 inches long. How many millimeters is it?
2209.8 mm
What type of microscope would somebody working in the medical field be using to view how a virus attacks cells?
Electron Microscope
The number of times an experiment is repeated is known as the
Sample Size
What is a scientific law
the description of an observed phenomenon
Answer the following question using the CER guidelines
Why do we not receive rain in the winter in Wisconsin?
Answers will vary
It is roughly 26 miles from Osseo to Eau Claire. How many kilometers is that?
42 km
When a scientist is first looking at a cell to see if it is damaged what type of microscope would he probably be using?
Scanning electron microscope
The best scientific experiments only have a single _____________ _____________ that is altered. The rest are ____________ ___________.
Independent Variable, Control Variable
What is true regarding all scientific variables?
We want to make sure they are accounted for throughout the entire experiment