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16 terms

zbio - Unit 1 - Introduction to Life Science-Scientific Tools

Life Science
the study of living things. Also known as Biology
using one or more of your senses to gather information
Quantitative observation
observations that deal with numbers
Qualitative observation
observations that deal with descriptions that cannot be expressed with numbers
an explanation or interpretation of things that you observe
making a forecast of what will happen in the future based on past experience or evidence
a representation of a complex object or process that helps people understand things that cannot be observed directly
Scientific Inquiry
the diverse ways in which scientists study the natural world and propose explanations based on the evidence they gather
a possible explanation for a set of observations or possible explanation to a scientific question
factors that can change in an experiment
Manipulated variable
the one variable that is purposely changed in an experiment to test a hypothesis
Responding variable
the factor that may change in response to the manipulated variable
the amount of matter in an object in a particular space (mass of an object divided by its volume)
Metric System (SI)
the system of measurement used in science that is based on units of 10
Experimental group
The group in an experiment that is subjected to the experimental variable
Control group
The group in an experiment that is not subjected to the experimental variable and is used as a reference group