Review! - hcmsfeffer.weebly.comhcmsfeffer.weebly.com/uploads/2/2/7/9/22796270/review_2012.pdfReview!...
Transcript of Review! - hcmsfeffer.weebly.comhcmsfeffer.weebly.com/uploads/2/2/7/9/22796270/review_2012.pdfReview!...
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Let’s Review!
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1. Name the steps of science inquiry in
order.
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The following 9 slides are vocabulary definitions. Give
me the word or phrase:
2. All the factors that could affect the outcome of an
experiment
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3. Facts, figures and other evidence collected in an
experiment. It can be displayed in the form of diagrams, tables or graphs
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4. In this step, you should restate the
question and hypothesis, summarize the results,
state if you were correct and predict the next
question.
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5. Interpretations or assumptions based on
observations and prior knowledge
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6. Involves using one or more of your senses to gather
information
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7. One in which there is only one
manipulated variable and all other
variables are kept constant
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8. Scientists usually begin an investigation
with this.
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9. The factor that scientists change in an
experiment
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10. This is a possible explanation or an
answer to the question. It must be tested
several times to make sure the results are
consistent.
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11. Write a question that they can
investigate to solve this problem.
A new dog food factory wants to
sell the best tasting dog food
and needs to find out which
flavors dogs will eat the most .
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12. From this observation, write an inference about the dog food and/or
the dogs.
The scientist hired by the company
observes and measures the amount and
kind of dog food the company throws
out each week. She has documented that
they throw out 5 pounds of chicken
flavored, but only 2 pounds of beef
flavored each week.
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13. Write a hypothesis for the
experiment.
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14. Sketch a bar graph to communicate the above information in the space
provided. Be sure to include all things that are required
in a graph.
The scientist conducts an experiment to discover which food the dogs
prefer. After serving the same amount of each type of food on a daily
basis for one week, the scientists measured the amounts left over.
7 pounds of beef were left
3 pounds of chicken were left
8 pounds of pork were left
7 pounds of fish were left
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15. Pretend you are the scientist. Write a conclusion for your
experiment. Remember, the conclusion must
contain 5 different parts.
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16. What would be the manipulated variable in the previous investigation?
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17. List a couple of variables that need to be constant.
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Let’s
check your
answers!
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1: Question Observation Inference Hypothesis Experiment Data Conclusion
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2: Variables
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3: Data
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4: Conclusion
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5: Inferences
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6: Observation
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7: Controlled experiment
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8: Question
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9: Manipulated variable
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10: Hypothesis
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11. POSSIBLE ANSWER: Which flavor of dog food do most dogs prefer?
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12. POSSIBLE ANSWERS: Dogs prefer beef over chicken. The company buys more chicken.
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13. POSSIBLE ANSWER: Dogs will like the beef flavored food best.
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14. POSSIBLE ANSWER:
0
1
2
3
4
5
6
7
8
Beef Chicken Pork Fish
Types of food
Pounds
Of food
How Much Dog Food is Thrown Out?
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15: POSSIBLE ANSWER: In my experiment I tested 4 types of dog food on 25 different dogs to see which flavor of food the dogs liked best. I predicted that the dogs would prefer beef flavored food. The dogs’ choices of food were beef, chicken, pork and fish. After serving the same amount of each type of food on a daily basis for one week, the scientists measured the amounts left over. 7 pounds of beef were left, 3 pounds of chicken were left, 8 pounds of pork were left, 7 pounds of fish were left. My hypothesis was incorrect. I’m wondering if the species of dog has an effect on the dogs’ choices, so now I will only test one species of dog at a time.
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16. The types of dog food was the manipulated variable.
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17. Some variables that needed to remain constant were the place where the dogs ate and the amount of food that was given them.