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Q 1/20
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1. In an experiment designed to determine if a specific brand of cat food is causing cats to meow excessively, it would be best to______________.
30
Let some of the cats drink water with the specific brand of food.
Feed some cats with the specific brand of cat food and other cats with another brand.
Keep feeding cats with the specific brand of cat food and record the results.
Mix together the specific brand of cat food with another brand of food to feed cats.
Q 2/20
Score 0
2. Trina wanted to find out which of her rubber balls can bounce the highest. She took the first ball and dropped it onto the cement sidewalk. She then dropped the second ball from the same height onto the grass. She recorded how high each ball bounced. Her experiment could be improved by ___________________.
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Bouncing both balls on one of the surfaces.
Measuring the time it takes for each ball to reach its maximum height.
Dropping the second ball from a higher height.
Bouncing the ball on grass two times.
20 questions
Q.
1. In an experiment designed to determine if a specific brand of cat food is causing cats to meow excessively, it would be best to______________.
1
30 sec
Q.
2. Trina wanted to find out which of her rubber balls can bounce the highest. She took the first ball and dropped it onto the cement sidewalk. She then dropped the second ball from the same height onto the grass. She recorded how high each ball bounced. Her experiment could be improved by ___________________.
2
30 sec
Q.
3. The process used to investigate what is happening around you.
3
30 sec
Q.
4. The application of science to make products or tools that people can use. A ballpoint pen is an example of this.
4
30 sec
Q.
5. Used to answer scientific questions by testing a hypothesis through the use of a series of controlled steps.
5
30 sec
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6. A ______________________________ is an explanation for how something occurs. It is supported by a great deal of evidence.
6
30 sec
Q.
7. A basic principle that applies everywhere and in all situations is the best described as a scientific ____________.
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30 sec
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8. Example of a theory.
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30 sec
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9. Example of a law.
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30 sec
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10. A prediction or statement that can be tested.
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30 sec
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11. The variable that is changed. Can only change one of these types of variables.
11
30 sec
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12. The factor(s) being measured.
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30 sec
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13. Variables that stay the same.
13
30 sec
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14. What is the dependent variable?
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30 sec
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15. What is the independent variable?
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30 sec
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16. Which one is NOT a constant?
16
30 sec
Q.
17. Billy wakes up in the morning and sees the pavement is wet even though it is not currently raining. He asks his dad, "How much did it rain last night?". This statement would be a(n)
17
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18. Billy goes for a walk in the morning and sees the pavement is wet even though it is not currently raining. As he looks at the yard next to the pavement, he sees a sprinkler on and realizes the wet pavement came from the sprinkler
18
30 sec
Q.
24. Read the scenario below. Which word describes the scenario?
You go to a neighborhood park five times. Each time, you take notes on the birds you see and hear.
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Q.
25. A representation of an object or a process that allows scientists to study something in greater detail.
