Chapter 1 Test Flashcards
Responding variable
The variable that changes in response
Manipulated variable
The variable that you change
Basic unit of length
Cm
Basic unit for mass
Grams
Basic unit for temperature
Degrees celcius
Basic unit for volume
ML
Basic unit for time
Min
What you look through
Eye piece
Big nob
Coarse adjustment
Little nob
Fine adjustment
Bottom
Base
Magnified little nobs
Objectives
Low x5
Medium x10
High x40
Where the slide goes
Stage
Under the stage
Diaphragm
Light
Light
Redi’s experiment
Fresh meat in two jars
One open and one sealed
Open jar contained maggots
5 characteristics of living things
Made of cells Reproduce Grow and develop Obtain and use materials for energy Respond to environment
Science
An organized way of using evidence to learn about the natural world
Observation
Using one or more senses to gather information
Hypothesis
Possible exclamation for a set of observations or answer to scientific question
When is a hypothesis useful
When it can be tested
What are the three ways from which a hypothesis may rise
Prior knowledge, logical inferences, imaginative guesses
Theory
Applies to a well tested explanation that unifies a broad spectrum of observations
Biology
The science that seeks the understanding of living world
Homeostasis
Organisms keep their internal conditions relatively stable
Level of organization
Adams, molecules, cells, tissues, organs, organ system, organism, population, community, ecosystem, biosphere, solar system
Biosphere
The largest level of a biological study
Metric system
A decimal system of measurement his units are based on a certain physical standards scale in multiples of 10
Microscope
A device that produces magnify images of structures that are too small to see with the unaided eye
Compound light microscope
Allows light to pass through a specimen using two lenses
What is the single most important role for your safety while working in a laboratory
Always fall directions exactly
Ecosystem
A community of living organisms
Population
the total number of persons inhabiting a country, city, or any district or area.
Multicellular organism
an organism composed of many cells, which are to varying degrees integrated and independent. The development of multicellular organisms is accompanied by cellular specialization and division of labour; cells become efficient in one process and are dependent upon other cells for the necessities of life.
