1.1
A hypothesis is only useful if it can be:
Tested
Data that deals with numbers.
The smallest units that are considered to be alive.
Cells
Light microscopes use _____ to make a larger image.
Light
Can you eat and drink in the science lab?
NO
The use of one or more of the senses to gather information
Observation
Data that deals with words.
Living things evolve, so they ______ over _____.
Change; Time
An instrument that uses TWO lenses to produce an image.
Compound Light Microscope
A well-tested explanation that unifies a broad range of observations.
Hypothesis
Information gathered and used from making observations and doing experiments is:
Data
A _____ may be revised or replaced.
Theory
A signal that living things respond to is a _______.
Stimulus
Which is NOT a unit of metric: meter, inch, liter, gram?
Inch
Metric system is based on multiples of ____.
10
The variable that is changed on purpose is the _________ variable.
Manipulated
What is the first step of the scientific method?
Asking a question.
The word for how living things maintain a stable internal environment.
Homeostasis
The part of the microscope you look through.
Eyepiece
Electron microscopes use beams of ______ to make images.
Electrons
The variable you observe that responds to the manipulated variable is the __________ variable.
Responding
Who was the guy that ran the experiments to see if maggots spontaneously generated, or if they grew from meat?
Redi
Where all living things exist.
The biosphere.
The part of the microscope that holds the objective lens; rotates.
Nosepiece
Living things have a ______ which allows them to process food for energy.
Metabolism