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Biology Chpt. 1
| Question | Answer |
|---|---|
| Scientists propose ___________ that can be ______ by examining evidence | explanations tested |
| Because of new tools, techniques, and and discoveries, scientific understanding is always ________ | changing |
| What is an example of human stimulus and response? | Glucose level drops, body makes you feel hungry: bright light flashes, eyes dilate; |
| What is the equation for volume? | L x W x H |
| What is the equation for density? | mass/volume |
| What tool would be used to measure mass? | balance |
| using the senses to notice or describe events or processes | observations |
| Science is an ________ method that uses ________ to explain events. | organized, evidence |
| Science collects and _______ information. | organizes |
| Science looks for __________ and connections. | patterns |
| What are some topics that science can't deal with? | beliefs, opinions, supernatural |
| What are the basic characteristics of living things? | made of cells, reproduce, based on universal genetic code (DNA), grow and develop, obtain and use materials, respond to their environment, maintain stable internal environment, as a group change over time |
| What are the steps of the scientific method? | 1. State the problem 2. Collect information 3. Make hypothesis 4. Test hypothesis 5. Analyze data 6. Draw conclusions |
| Which axis is the independent variable on? | x- axis |
| Which axis is the dependent variable on? | y- axis |
| Why do we need a control in an experiment? | For comparison, to see if the IV made any change at all |
| What's the difference between a theory and a hypothesis? | a hypothesis is a guess and a theory has been tested by many experimenters to reach a conclusion |
| What is the equation for area? | L x W |
| What tool would be used to measure temperature? | thermometer |
| What tool would be used to measure volume of a liquid? | graduated cylinder |
| What tool would be used to measure density? | balance and ruler/ graduated cylinder |
| an organized way of learning about the natural world | science |
| study of living things | biology |
| constant internal conditions | homeostasis |
| all the chemical reactions that happen within an organism | metabolism |
| process by which cells become specialized in structure and function | differentiation |
| all living things as a group change over time | evolution |
| a living thing | organism |
| an educated guess about the solution to a problem | hypothesis |
| a series of step used to test a hypothesis | experiment |
| the factor in the experiment which is controlled by the experimenter | independant variable |
| the factor in the experiment that is changed by the IV | dependent variable |
| a test group for comparison | control group |
| a factor that doesn't change within an experiment | constant |
| a scientific explanation which results from many experimenters researching the same conclusion | theory |
| measurements or observations recorded during an experiment | data |
| science only deal with the _______ world | natural |
| What tool would be used to measure length? | ruler/meter stick |
| What tool would be used to measure volume of an irregular solid? | graduated cylinder |
| What tool would be used to measure volume of a rectangular box? | ruler/meter stick |
Created by:
sf321
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