Glossary of Exit Level TAKS Science Objective 1
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- A Good Experiment should have?
- One Variable; More than one setup; A control group
- What is an Control group?
- A control Group is use for comparison with the experimental group. It must have consisent factors - nothing is changed with this group
- What is an Experimental Group?
- An experimental group is the group that has the variable that will be compared with the control Group.
- What is a variable?
- Is the differnt factor between a control group and experimental group. Note: everything else should be the same.
- What is a consistent factor?
- All remaning factors must be consistent and the same between both the experimental and control group.
- What is a Hypothesis?
- Possible answer or explanation that can be tested.
- What is a conclusion?
- When you consult the results of the experiment and determine if the results support the hypothesis; involves thinking, Uses statement "because" Possible explanation
- What is the sciencetific Inquiry process?
- OHEAT: Observation, Hypothesis, Experiment, Analyze Data, conclusion and theory.
- What is an observation?
- uses your senses, uses tool or number, calculations and measurements
- Do observations or conclusions appear in the results section?
- Why should there be only one variable?
- It would make it simpler to figure out what caused the change. It would be able to compare the two groups more accurately.
- Why should an experiment be done twice? Give Example?
- Because the setup could have a deformation and cause an experimentant error. This could affect the outcome of the experiment. Give example?
- How can results be described in the results section?
- Date; Observation; Drawings
- What information should be reported in the discussion of your results?
- Question; Restae your hypothesis; Was hypothesis supported by results; Any source of error; Conclusion - one sentence
- What is a dependent variable?
- The dependent variable will vary depending on what happens to the independent variable. Graphed on Y-axis
- What is an independent variable?
- The independent variable does not change. Changes to the independent variable can change the dependent variable. Graphed on X-axis.
- Infer or Inferencing
- explain or interpretting things you observe
- Predicting or Prediction
- making a forecast of what will happen in the future
- Quantitative Data
- Actual numerical data (measurements, etc.)
- Qualitative Data
- What does it look like, often from senses
- When should you start preparing for a lab?
- 1 day before (at least)
- If you are unclear about something in science class/lab what should you do?
- Ask the teacher
- Measurements are made in science using what system?
- Metric (SI) system
- What is a theory?
- General explanation of a set of observations about the natural world; supported by lots of data collected from many different experiments and observations
- What is a manipulated variable?
- Same as independent variable: variable changed during experiment
- What is a responding variable?
- Same as dependent variable: the variable you measure or observe during the experiment
- What type of metric unit would be used for mass?
- What type of metric unit would be used for volume?
- Liters or cubic centimeters
- What type of metric unit would be used for distance?
- What are models?
- Representation of objects
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