Characteristics of Living
All organisms are made of one or more ________. The _________ is the basic unit of life.
Cell(s)
Biology
First step of scientific inquiry
Ask a question
A set of moral principles or values.
Ethics
Why are a control group and constants needed in an experiment
For comparison and consistency
The levels of _____________ in biological systems begin with atoms and molecules and increase in complexity.
organization
A body of knowledge based on the study of the natural world.
Science
Second step of scientific inquiry
Form a hypothesis
HypothesisA testable explanation of a situation.ExperimentProcedure performed in a controlled setting to test a hypothesis and collect precise data.
Experiment
Different rose bushes are grown in a greenhouse for two months. The number of flowers on each bush is counted at the end of the experiment.
Identify the independent variable.
Type of rose bush
__________ results in an increase in mass. __________ results in different abilities.
Growth; Development
An explanation of a natural phenomenon supported by many observations and experiments over time.
Scientific Theory
Peer Review
A process by which the procedures and results of an experiment are evaluated by other scientists.
The difference between the control group and the experimental group.
Independent Variable
Different rose bushes are grown in a greenhouse for two months. The number of flowers on each bush is counted at the end of the experiment.
Identify the dependent variable.
number of flowers on each bush
Reactions to internal and external ___________ are called ___________.
stimuli; responses
Scientific Law
Describes relationships under certain conditions in nature.
Two different ways to say hypothesis
Educated guess
"If..., then..." statement
The system whose divisions are powers of ten.
The system of measurements used by scientists.
Metric System
International System of Units (SI)
Three redwood trees are kept at different humidity levels inside a greenhouse for 12 weeks. One tree is left outside in normal conditions. The heights of the trees are measured once a week.
Identify the control group.
Tree left outside in normal conditions.
Inherited changes that occur over time that help the species survive.
Differentiate between a hypothesis, a scientific theory, and a scientific law.
A testable explanation of a situation. An explanation of a natural phenomenon supported by many observations and experiments over time. Describes relationships under certain conditions in nature (is ALWAYS true).
The 6 steps of scientific inquiry in order
Ask a question, Form a hypothesis, collect the data (experiment), analyze the data, report conclusions, and peer review.
The 6 metric prefixes
Kilo, Hecto, Deca, (Unit) Deci, Centi, Milli
One tank of goldfish is fed the normal amount of food once a day. A second tank is fed twice a day. A third tank is fed four times a day during a six week study. Each fish’s weight is recorded daily.
Identify 2 constants not already mentioned above.
food brand, water quality, fish species, etc.