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Definition
| way of learning about the natural world |
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| using one or more of your senses to gather information |
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| Quantitative Observations |
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| deals with numbers or amounts |
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| deals with descriptions that cannot be expressed in numbers |
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| making a forecast of what will happen in the future based on past experiences and evidence |
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| process of grouping together items that are alike in some way |
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| creating representations of complex objects or process |
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| possible explanation for a set of observations or answer to a scientific question |
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| factors that can change in an experiment, must be exactly the same |
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| one variable that is purposely changed to test the hypothesis |
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| factor that may change in response to the manipulated variable |
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Term
| What are the four attitudes of scientist? |
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Definition
Curiosity
Honesty
Open-minded/skeptism
Creativity |
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Term
| What is the difference between science and technology? |
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Definition
| Science is the study of the natural world to understand how it functions, but on the other hand technology changes or modifies the natural world to met human needs or solve problems |
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| basic unit of structure and function in an organism |
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| composed of many cells that are specialized to do certain tasks |
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| change in an organisms surroundings that makes it react |
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| action or change in behavior |
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Definition
| process of change that occurs during an organisms life to produce a more complex organism |
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Definition
| living things can arise from nonliving sources |
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| Scientist that helped disprove spontaneous generation |
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Definition
| organism that can make its own food |
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Definition
| organisms that cannot make their own food but depend on other organisms |
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| What are the needs of living things? |
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Definition
| water, food, living space, homeostasis |
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| What are the characteristics of living things? |
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Definition
| cellular organization, chemicals of life, energy use, responds to surrounding, growth/development, reproduction |
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Definition
| process of grouping things based on their similarities |
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| scientific study of how living things are classified |
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| classification group that contains similar, closely related organisms |
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Definition
| group of similar organisms that can mate with each other and produce offspring that can also mate and reproduce |
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| Why is it important that organisms have a genus and species? |
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Definition
| makes it easy for scientist to communicate because there are many names for one organism. Using different names gets confusing |
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Definition
| ability to make things look larger than they really are |
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| widely accepted explanation of the relationship between cells and living things |
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| What does the cell theory state? |
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Definition
all living things are composed of cells
cells are the basic unit of structure and function in living things
all cells produce from other cells |
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Definition
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Definition
| rigid layer of nonliving material that surrounds the cells of plants and some other organisms |
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Definition
| controls what substances enter and exit the cell |
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Definition
| region between the cell membrane and the nucleus |
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| carries proteins and other materials from one part of the cell to the other |
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Definition
| receive proteins and other newly formed materials package them, and distribute them to other parts of the cell |
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Definition
| capture energy form sunlight and use it to produce food for the cell |
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Definition
| storage areas of the cell |
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Definition
| small, round structures containing chemicals that break down certain materials in the cell |
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| What is the function of organelles? |
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Definition
organelles carry out specific functions within the cell
like lungs |
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Definition
| the maintenance of stable internal conditions |
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| instrument that makes small objects look larger |
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| form the parts of an organism and carry out all of an organism's processes |
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| substance that cannot be broken down into simpler substances |
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Definition
| two or more elements combine chemically |
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| Importance of water in a cell |
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Definition
| w/o water the cell wouldn't be able to dissolve chemicals for the cell or kept the size and shape of the cell |
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Term
| What is the difference between organic and inorganic compounds? |
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Definition
| organic compounds contain carbon on the other hand inorganic compounds don't |
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| Examples of organic compounds |
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Definition
| carbohydrates, lipids, proteins, and nucleic acids |
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Definition
| process by which a cell captures energy in sunlight and uses it t make food |
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Definition
| carbon+water----light energy-----a sugar+oxygen |
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| process by which cell obtain energy from glucose |
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Definition
| sugar+oxygen---light energy---carbon dioxide+water+energy |
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Definition
| regular sequence of growth and division that cells undergo |
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| stage during which the cell's nucleus divides into two nuclei |
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Definition
| a double rod of condensed chromation |
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Term
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Definition
Thymine-Adenine
Guanine-Cytosine
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Definition
| passing of physical characteristics from parent to the offspring |
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| characteristic that an organism can pass on to its offspring through its genes |
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| the scientific study of heredity |
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| is the offspring of many generations that have the same trait |
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| factors that control a trait |
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| one whose trait always shows up in the organism when the allele is present |
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| hidden whenever the dominant allele is present |
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| has two different alleles for a trait |
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| is a number that describes how likely it is that an event will occur |
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| chart that shows all the possible combinations of alleles that can result in a genetic cross |
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| process by which the number of chromosomes reduce to half to form sex cells |
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Definition
| the chromosome pairs separate and are distributed to two different cells. The resulting sex cells have only half as many chromosomes as the other cells in the organism |
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Term
| How do you find the magnification? |
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Definition
| all the lenses multiplied together |
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