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Scientific Method
Controlled Experiment
Variables
Characteristics of Life
Biology
100
Educated guess
Hypothesis
100
Procedure used to test a hypothesis.
Experiment
100
Variable that is measured in an experiment.
Dependent
100
All living things are made of at least one ...
cell
100
What is biology?
The study of life.
200
What is a well tested explanation that covers a broad range of observations and hypotheses?
Theory
200
Variables that are kept the same between experimental groups.
Controls
200
You measure rainfall everyday for a month. What is the dependent variable in your data collection.
Rainfall
200
What is the production of offspring?
Reproduction
200
Field of biology that involves the study of plants.
Botany
300
How does factory pollution affect the amount of acid rain in a city? Is this testable or non-testable?
Testable
300
Which axis represents the independent variable on a graph?
X-axis
300
You want to measure how plant height is affected by the amount of water used to nourish it. List three possible controls for this experiment.
Possible answers: plant species, type of soil, type of pot, amount of sun light, source of water, etc.
300
Daily Double: List all eight characteristics of life.
1) DNA 2) Cells 3) Grow/Develop 4) Respond to Environmental Stimuli 5) Metabolism 6) Homeostasis 7) Reproduction 8) Evolution
300
Science provides ______________ explanations about the _______________ world.
natural
400
List the six steps of the scientific method
1) Observation 2) Research 3) Hypothesis 4) Controlled Experiment 5) Data Analysis/Conclusion 6) Share results
400
Name two ways to present data in a lab report.
1) Data table 2) Graph
400
Daily Double: You measure the affect of salt on the density of water. What is the independent variable?
Salt or salt concentration
400
Which characteristic of life do viruses not have?
Reproduction
400
What kingdom of life do humans belong to?
Animalia
500
Name a statistical test used to compare the averages of two experimental samples
t-test (or two-sample t-test)
500
Name three components of a good scientific graph.
1) X-axis label 2) Y-axis label 3) Title
500
You calculate the speed of a dog running 100 meters. What is the dependent variable that you directly measure?
Time (amount of time the dog takes to run 100 meters)
500
How do our kidneys help maintain homeostasis?
Kidneys regulate the concentration of salts in our bodies.
500
What is the unifying concept of biology?
The Theory of Evolution