Variables
Experiment
Graphing
Observation/Inference
Key Players
100
Is any factor, trait, or condition that can exist in an experiment.
variable
100
An idea or explanation that you then test through study and experimentation "If...then,..." statement.
Hypothesis
100
This belongs on the top of every graph that you make.
a title
100
Observations are made using what?
the 5 senses
100
Type of graph used to show parts of a whole typically in percentages.
Pie Chart/Circle Graph
200
What is being measured in an experiment?
the dependent variable
200
The information collected using specific methods for a specific purpose of studying or analyzing.
Data
200
What axis is the independent variable graphed on?
x-axis
200
An inferences are also known as an "educated ________"
guess
200
What are constants within an experiment?
variables that remain the same
300
What is be changed between trials in an experiment?
the independent variable
300
What type of data is gathered by using the senses?
Qualitative data
300
What are the numbers called on the scales of your graph?
Intervals
300
Observations can be qualitative or quantitative.
What is a qualitative observation?
Describes the quality of something; using adjectives
300
Type of graph used for graphing change over time
Line Graph
400
Justin wants to determine the effect of fertilizer on the growth of grass.
What are the independent and dependent variables?
Ind. Variable: Fertilizer
Dep. Variable: Growth of grass
400
What is numerical data called?
Quantitative data
400
What axis is the dependent variable graphed on?
y-axis
400
Observation can be qualitative or quantitative.
What is a quantitative observation?
Uses a numerical value; a measurement.
400
What type of graph is used to show a range of data and is typically shown as a bell-shaped curve?
Histogram
500
A basketball coach thinks that a protein bar will increase the points his team scores. He splits his team into two groups of equal players. Half the team eats a protein bar for one week right before a game the other half does not eat the protein bar at all. He records his results.
Ind. Variable: eating protein
Dep. Variable: the points the team scores
500
The group or individual used as a standard of comparison for checking the results of an experiment. This group does not receive the treatment.
the control or control group
500
What type of graph is used to show comparison?
bar graph
500
Observations can be used to make what?
Inferences
500
Billy wants to know if increasing his exercise will decrease the time it takes him to run a mile.
What is the independent and dependent variables?
Ind. Variable: Exercise
Dep. Variable: Time it takes to run a mile