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Acc. Biology Scientific Method
Simon Kenton
33
Biology
10th Grade
07/09/2011

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Cards

Term
Science
Definition
The process to understand the world around us
Term
Biology
Definition
The study of life
Term
Bio
Definition
Means life
Term
Ology
Definition
Means study of
Term
8 Characteristics of Living Things
Definition

1. All living things are made of cells

2. All living things are based on a universal genetic code

3. All living things reproduce

4. All living things grow and develop

5. All living things obtain and use energy

6. All living things adapt and evolve

7. All living things respond to their environment

8. All living things maintain a stable internal environment

Term
Growth
Definition
An increase in size and the formation of new structures
Term
Development
Definition
All of the changes that take place during life
Term
Metabolism
Definition

Chemical reactions through which an organism carries out its life processes

Term
Adaptation
Definition
Respond to a stimuli for better survival
Term
Evolution
Definition
The gradual accumulation of adaptations over time
Term
Homeostasis
Definition

Regulation of an organisms internal environment to maintain conditions suitable for its survival

Term
Scientific Method
Definition

Common steps scientists use to gather information and answer questions

Term
Hypothesis
Definition
An explanation to a question that can be tested
Term
5 Steps of the Scientific Method
Definition

1. Collect observations and state the problem

2. Form a hypothesis

3. Plan and perform multiple experiments

4. Observe and record results

5. Draw conclusions

Term
Theory
Definition

A hypothesis that is supported by a large body of scientific evidence

Term
Independent Variable
Definition
  • The variable you mess with or what you can change
  • Goes on the X axis
Term
Dependent Variable
Definition
  • The variable you measure or what you can't directly control
  • Goes on the Y axis
Term
What must all graphs have?
Definition

1. Must have a title

2. Axis is labeled with units of measurements

3. Key

4. Use all of graph paper

Term
Quantitative Research
Definition

Experiments that result in counts, measurements, or numerical data

Term
Qualitative Research
Definition

Oservational data that is written descriptions of what scientists observe

Term
Magnification
Definition
To make an image appear larger
Term
Resoulution
Definition
Shows details clearly
Term
Light Microscope
Definition
  • Use a beam of light passing through one or more lenses
  • Can view living and dead organisms
Term
Electron Microscope
Definition
  • Use electrons instead of light
  • Cannot view living organisms
Term
2 Types of Electron Microscope
Definition

1. Transmission Electron Microscope

2. Scanning Electron Microscope

Term
Transmission Electron Microscope
Definition

Uses electrons

Reveals internal structures

Term
Scanning Electron Microscope
Definition

See 3-D images of cell surfaces

Reveals surface structures

Term
Parafocal
Definition
Once the image is in focus on low power, the image will remain in focus
Term
Low power objective magnifies
Definition
4X
Term
Eyepiece magnifies
Definition
10X
Term
Medium power objective magnifies
Definition
10X
Term
High power objective magnifies
Definition
40X
Term
Total Magnification
Definition
Multiply the eyepiece and the objective
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