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Research And Scientific Methods Quiz 1 (25 MCQs)

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1. In an appropriately designed experiment, a scientist is able to test the effect of
2. In a controlled experiment, the variable that is changed to test the hypothesis is called the-
3. Which of these contains steps in the right order?
4. What is the advantage of creating a model of a dinosaur?
5. What is the scientific Method?
6. Nick wanted to see how high an ice cube would float in different temperatures of water. Identify the independent variable.
7. You are managing a large feed lot. A pharmaceutical company wants you to try a new antibiotic to treat shipping fever in newly arrived cattle. The company claims that it is more effective at a lower cost than your current antibiotic you are using. You will measure the temperature of the cattle to see whether or not it works. WHAT IS THE INDEPENDENT VARIABLE (IV)?
8. The response variable to what was tested (can be observed or measured) _____
9. What is the first step of the scientific method?
10. Who made the scientific method?
11. When should you write a hypothesis?
12. Researchers performing a well-designed experiment should base their conclusions on
13. A biologist reported success in breeding a tiger with a lion, producing healthy offspring. Other biologists will accept this report as fact only if
14. "I think someone released ants from their ant farm near the front door of our school." This describes what kind of scientific method?
15. What are the steps of the scientific Method?
16. Which of the following is the most accurate representation of the order that an experiment should be conducted?
17. A comprehension test was given to students after they had studied textbook material either in silence or working together. What is a possible control variable?
18. Which best describes the purpose of a controlled experiment?to prevent an undesired change in a variable
19. Identify the observation below that shows an object is being burnt and that it is going through a chemical change.
20. This is the group that we will compare our experimental group to. This group stays "normal."
21. In an experiment to find out the effects of sunlight on a plant's growth the experimenter completes the following steps. They allow one plant to get sunlight for 2 hours a day. Another plant receives 4 hours of sunlight, and the last plant receives 8 hours of sunlight. What is the independent variable?
22. Observations and facts gained from experiments are _____ :
23. A student observes that an organism is green. A valid conclusion that can be drawn from this observation is that
24. Which source would provide the most reliable information for use in a research project investigating the effects of antibiotics on disease-causing bacteria?
25. Mr. Conyers needs your help:He needs to find the constant variables for his experiment. He is trying to determine what shampoo leaves his beard the softest. Which variable would be a constant?
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