Vocabulary
Experiments
Graphs & Data Tables
Characteristics of a Good Experiment
Characteristics of Living Things
100
What is an observation?
Something that can be seen or measured
100
What is a control group?
The "normal group"
Does NOT receive the treatment
100
Is this a graph or a data table?
Data table
Data tables are used to organize information. That information can then be plotted in a graph.
100
Should a good experiment be able to be repeated or replicated?
Yes
100
All living things must maintain homeostasis. What is homeostasis?
Balance
200
What is an inference?
A conclusion or best guess based on your observations and the evidence.
200
What is an experimental group?
The group being tested or receiving treatment
200
Is this a graph or a data table?
A graph
200
Should a good experiment have a small or large sample size?
Large sample size
200
What is dynamic equilibrium?
Small changes that are constantly being made to maintain equilibrium
300
What is a hypothesis?
A prediction based on the evidence available
300
Define the term Independent Variable
The variable that is being tested
The IF part of the hypothesis
ex. What did I do, change, add, etc?
300
What is on the x axis of this graph?
Temperature
300
How many independent variables should be tested in a good experiment?
One
300
TRANSPORT
What is diffusion?
What is osmosis?
diffusion - movement of molecules from areas of high concentration to areas of low concentration
osmosis - diffusion of water into or out of a cell
400
Give an example of a hypothesis.
If-Then Statement
ex. If the patient gets a vaccine, then he will not get sick.
400
Define the term Dependent Variable
The thing being measured
The THEN part of the hypothesis
400
What is on the y axis of this graph?
Heart Rate
400
Should a good experiment test the hypothesis?
Yes
400
TRANSPORT
What is active transport?
Transport that requires the use of energy
Usually moving molecules from areas of low concentration to areas of high concentration
500
What is a theory?
An explanation of natural events that is supported by evidence
500
What is a placebo?
A fake treatment (ex. sugar pill) given to the control group
500
What axis on the independent and dependent variable plotted on?
Independent variable (What did I change?) = x axis
Dependent variable (Measurement) = y axis
500
A good experiment should be objective and unbiased. Define the words objective and unbiased.
Objective = Not influenced by personal feelings or opinions
Unbiased = fair, impartial
500
What term is used to describe all of the life functions?
Metabolism