Lab Safety
The first thing you should do whenever there is a fire, spill, or broken glass.
Tell the Teacher
The process of obtaining information using the senses.
Observation
The study of the natural world
What is science.
Buzzfeed
Not evidence
All claims must be supported by what?
Evidence.
At what part of a fire should you aim a fire extinguisher at?
The base of the flame
The _________ variable, or manipulated variable is the variable which is changed in order to test its effect.
Independent variable
Compare the common way that the word theory is used to its scientific definition.
A theory is a well-supported explanation of nature.
A scientific article in a science magazine.
Evidence.
Name the three parts of CER.
Claim, Evidence, Reasoning
What are the steps of using an eyewash bottle.
Twist off cap
Lift bottle to eye
Flush eye for 30 seconds
The ___________ variable is the variable that is measured to test the effect of the manipulated variable.
Dependent variable
Explain how a theory is different from a law.
A theory is a well-supported explanation of nature.
A law is a description of a specific relationship under given conditions in the natural world.
A first person account of an event.
Not evidence.
Define the three parts of CER
Claim- a statement made.
Evidence- facts that support the claim.
Reasoning- how the evidence supports the claim.
A potential consequence of getting chemicals in your eye.
Temporary or permanent blindness
A good experiment contains only ____ independent variable(s), so that it is possible to identify a cause and effect relationship between the IV and DV
One
Can a photograph be considered empirical evidence?
Depends on if it has been altered.
Interview with an expert.
Depends. What are they an expert of?
A person’s height decreases throughout the day as gravity pulls down on their body. Which part of CER is this an example of?
Claim
Suppose your classmate’s clothing catches fire. What piece of equipment should you use to extinguish the flame?
The fire blanket
Spongebob and Patrick are blowing bubbles. They want to determine whether the amount of soap they use affects how many bubbles they can blow. What is the the independent variable?
The amount of soap
Explain how evidence is different from reasoning in terms of claims.
Evidence is facts that support a claim. Reasoning explain how the evidence supports the claim.
Explain why personal experiences cannot be considered evidence.
Personal experiences are influenced by your opinions, perspective, and personal history.
The height of the students decreased by an average of 1.7 cm throughout the day. Which part of CER is this an example of?
Evidence