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16 terms

Chapter 1 The World of Life Science

chapter 1 vocab plus 2
STUDY
PLAY
life science
The study of living things.
scientific method
A series of steps that is used to answer a question or solve a problem.
hypothesis
A possible explanation for what you have observed. This is based on what you know.
controlled experiment
This tests only one factor at a time
variable
The one factor that differs in a controlled experiment.
theroy
A unifying explanation for hypotheses and observations that have been supported by many tests.
technology
The use of knowledge, tools, and materials to solve problems and accomplish tasks.
independent variable
This is the variable that we change for the experiment.
dependent variable
This is the variable that changes because a change was made to the experiment.
control group
This group stays the same and is use as a reference.
compound light microscope
A microscope that consists of a tube with lenses, a stage, and a light source.
electron microscope
A microscope that uses tiny particles of matter to produce magnified images.
area
The measure of how much surface an object has.
volume
The amount of space that something occupies or the amount of space something contains.
mass
The amount of matter something is made of.
temperature
The measure of how hot or cold something is.