1. Convert 4.0 kilometers (km) to meters (m). (1 point)
0.04 m
40 m
400 m
4,000 m
2. For his science project, Austin wants to determine if the pH of standing rainwater changes
over time. He collects a jar of rainwater and places it indoors in a spot that does not
receive a lot of sunlight to limit evaporation. Using a pH testing kit, he measures the pH of
the water once a day for 20 days.
What is the independent, or manipulated, variable in Austin’s experiment?
(1 point)
the number of days the rainwater is allowed to sit
the number of times the rainwater is observed
the change in the amount of rainwater due to evaporation
the change in pH of the rainwater over time
3. The growth of a certain plant was measured over a period of more than a month. How
many centimeters did the plant grow between day 10 and day 30?
(1 point)
0.5 cm
1.0 cm
1.5 cm
2 cm
4. How is a scientific theory different from a hypothesis? (1 point)
A theory is an explanation of a single phenomenon; a hypothesis is a question that can be tested.
A theory is a well-tested explanation; a hypothesis is a possible answer that needs to be tested.
A theory and a hypothesis are both educated guesses, but a hypothesis is not proven.
A theory explains a scientific law; a hypothesis explains a theory.
5. Which of the following would introduce bias into an experiment? (1 point)
publishing your experimental results in a scientific journal
allowing other scientists to repeat and verify your experimental results
using a computer to record and store your data
discarding data that does not fit with your personal expectations
6. Which of the following questions is outside the scope of science? (1 point)
How are religion and philosophy different?
What is the diet of the American alligator?
How do humans digest protein?
How does gravity affect an airplane’s motion?
7. Which of the following statements is true about scientific inquiry? (1 point)
All scientists use the same method of scientific inquiry.
Scientific inquiry includes one scientific method.
Scientific inquiry is an ongoing and repetitive process.
Scientists try to avoid using scientific inquiry.
8. Which of the following is something a scientist might do to practice science safety? (1 point)
Perform safety inspections.
Wear open-toed shoes.
Reuse unwashed glassware.
Keep a messy work station.
9. Which of the following is an observation you can make by looking at the image? (1 point)
One lion is running away from the other lion.
The lions are from the same pride.
Both lions are hunting prey.
One lion's tail is raised higher than the other lion's tail.
10. Creating a prototype and troubleshooting are steps in the development of (1 point)
a new scientific theory.
a new experiment.
a new scientific law.
a new technology.
11. Several studies linking cigarette smoke to health problems have resulted in the banning of
smoking in many public places. This is an example of
(1 point)
ways scientific theories become scientific laws.
ways scientists communicate results.
ways science influences society.
ways scientific hypotheses are tested.
12. Which of the following is an example of a model? (1 point)
the solar system
a globe
a planet
a padlock
True or False
13. Scientific inquiry incorporates many scientific methods. (1 point)
true
false
Use the word bank below to answer the questions that follow:
ethics predicting risk-benefit analysis
control inference independent
evidence opinion patent
constraints trade-off literacy
constant dependent prototype
Fill in the Blank
14. The ____________ variable responds to changes in the manipulated variable.
(1 point)
15. A(n) ____________ occurs during the design process when one benefit is given up in order
to obtain another.
(1 point)
16. A(n) ____________ is a legal document issued by a government that gives an inventor
exclusive rights to make, use, or sell an invention for a limited time.
(1 point)
17. A belief, judgment, or way of thinking about something is called a(n) __________.
(1 point)
18. Factors that limit a technological design are called ____________.
(1 point)
19. Factors in an experiment that remain the same are called ____________ variables.
(1 point)
20. Scientific ____________ involves the knowledge and understanding necessary for
evaluating information, making personal decisions, and taking part in public affairs.
(1 point)
21. Evaluating the possible problems of a technology compared to the expected advantages is
known as a(n)____________.
(1 point)
22. The process of forecasting what will happen in the future based on past experience or
evidence is called ____________.
(1 point)
23. Honestly reporting experimental findings is an example of using good ____________.
(1 point)
Short Answer
24. Explain why science is a continuous progression of study.
(5 points)
25. Why is the use of the inquiry process a practical way to approach science?
(5 point
1. D
2. A
3. D
4. B
5. D
6. A
7. C
8. A
9. D
10. D
11. C
12. B
13. True
14. dependent
15. trade-off
16. patent
17. opinion
18. contraints
19. constant
20. literacy
21. risk-benefit analysis
22. predicting
23. ethics
24 and 25 - short answer
@:P You're saying get off of this website and do your own work while you're on this website. Not to sound rude but you're acting hypocritically. I do agree with you it's good to do your own work and solve problems by yourself and NOT CHEAT, but you cannot prove that point if you're on this website yourself.
hey everyone make sure u at least get 1 wrong so the teachers dont think u r cheating even though we all are btw thanks megan
Is every one here from connections?
Megan is correct! Thank you so much! 100%
thanks megan also just because its cheating doesn't mean you need to be mean about it
thank u so much
Thanks Jishka! This isn't cheating if you're only checking answers right? But I needed it.
1. D
2. A
3. D
4. B
5. D
6. A
7. C
8. A
9. D
10. D
11. C
12. B
13. True
14. dependent
15. trade-off
16. patent
17. opinion
18. constraints
19. constant
20. literacy
21. risk-benefit analysis
22. predicting
23. ethics
ms sue can you please tell me if i'm right