Unit 1 Science basics
Unit 1 and Graphing
Unit 1 Molecules Moving!
Lab Safety and Equipment
Random!
100
What does it mean when something is "Valid"?
True or accurate
100
What does QUALITATIVE mean?
Qualities of something. Traits
100
What is the main difference between Active transport and Passive transport?
Passive transport does not require energy. Active transport require energy
100
Is chewing gun allowed during lab?
NO!
100
What does QUANTITATIVE mean?
Quantity of something. An amount
200
What is a control group?
A standard comparison because this group receives no treatment.
ORIGINAL
200
What is an Independent variable?
A single factor that scientists change/manipulate in an experiment
200
What is Diffuson?
Movement of molecules from areas of HIGH concentration to LOW concentration
200
What should we do if we have long hair in the lab?
Tie it back
200
What are the two types of Passive Transport?
Diffusion
Osmosis
300
What is the Experimental Group?
Identical to the control group except for one factor, or variable
300
What is a dependent variable?
Factors that change or are measured in a experiment
300
What does Permeable mean?
Things can pass through it
300
What are we always going to wear when we are doing future labs? (Hint. They can be found near the back of the room)
Goggles!
300
Is the following a CORRECT Hypothesis:
Will 17 marshmallows before dinner will make me nauseous?
No!, A hypothesis has to be a STATEMENT
400
What is a Hypothesis?
A specific, testable statement used to carry out any an experiment
400
What axis does the DEPENDANT variable go on
The DEPENDANT variable goes on the Y axis
400
What is concentration? (in the context of Unit 1 pt 2)
Numbers of particles in a given area
400
What 2 Lab Safety rule is #16 breaking?
"Wearing Sunglasses and Barefoot"
400
What is Osmosis?
Diffusion of water across a membrane
500
What is the scientific method (list all 4/10/28 steps!)
A Specific Set of instructions and procedures scientists follow
Some steps are Problem/Question, Hypothesis Procedure/experiment, Data and results
500
Using the graph for data, what is THIS person LEAST LIKELY to do when they cant hear someone?
Tell them I can't hear them or Move closer
500
What is a Selectively Permeable membrane?
A barrier or layer that allows some things to go through it
500
What is Wafting?
The proper technique to smell chemicals in the lab.
500
What is one example of Diffusion in your home?
(CANNOT BE ABOUT FOOD DYE)
*answer can be judged by teachers and other teams*