Scientific Method- Mr. Angeles
- 1.Which variable could be measured during an experiment?
- A.
Independent Variable
- B.
Dependent Variable
- 2.Which variable could be changed by the experimenter?
- A.
Independent Variable
- B.
Dependent Variable
- 3.Which could be a factor that remains at the same phases of an experiment?
- A.
Observation(s)
- B.
Science
- C.
Scientific Method(s)
- D.
Technology
- E.
Constant(s)
- 4.What is an educated statement that could be tested called?
- A.
Observation(s)
- B.
Science
- C.
Hypothesis
- D.
Scientific Method(s)
- E.
Technology
- 5.What is the process of understanding the world called?
- A.
Science
- B.
Technology
- C.
Constant(s)
- D.
Control(s)
- E.
Observation(s)
- 6.What are step-by-step approaches to solving problems called?
- A.
Science
- B.
Technology
- C.
Scientific Method(s)
- D.
Inference(s)
- E.
Constant(s)
- 7.What is it called if I use my senses to gather bits of information called?
- A.
Control(s)
- B.
Science
- C.
Constant(s)
- D.
Hypothesis
- E.
Observation(s)
- 8.What is the 1st step to the scientific method?
- A.
Observe and Infer
- B.
Recognize the Problem
- C.
Plan the Experiment
- D.
Analyze your Data
- E.
Communicate
- 9.What would be the final step to the scientific method?
- A.
Communicate
- B.
Observe and Infer
- C.
Draw Conclusion
- D.
Do the Experiment
- E.
Draw Conclusions
- 10.The reason for wearing safety goggles in the laboratory is to ______________.
- A.
Improve eyesight.
- B.
Protect the eyes from harmful substances
- C.
Protect the clothes from chemical spills
- D.
Keep your clothes away from the fire
- E.
Apply the procedure
- 11.An organized process used to gather observations and test a hypothesis is _________.
- A.
A problem
- B.
An experiment
- C.
An experience
- D.
An exercise
- E.
A constant
- 12.An idea, structure, or system that can be used to represent something you are trying to explain is a ____________.
- A.
Model
- B.
Constant
- C.
Control
- D.
Hypothesis
- E.
Variable
- 13.A rule or principle that describes the behavior of something in nature is a ______________.
- A.
Hypothesis
- B.
Conclusion
- C.
Theory
- D.
Scientific law
- E.
Variable
- 14.A scientist plants two rows of corn for experimentation. She puts fertilizer on row 1 but does not put fertilizer on row 2. Both rows receive the same amount of water and light intensity. She checks the growth of the corn over the course of 5 months. What is one controlled variable in this experiment?
- A.
Amount of fertlizer given to experimental group
- B.
Growth of corn
- C.
Type of fertilizer
- 15.John is doing research to come up with an educated guess to explain his problem. What step is he currently working in?
- A.
Step 1
- B.
Step 2
- C.
Step 3
- D.
Step 4
- E.
Step 5
- 16.Suzy wanted to know if thicker candles burn longer than thinner candles. Her hypothesis was that if she used a thick candle that it would burn for the longest amount of time. She got ten candles that were all the same brand, height, smell, and color. The only difference in the candles was they were all a different size, She lit them at the same time and recorded how long it took for each candle to burn out. What was her independent variable?
- A.
Thickness of the candle
- B.
Length of time the candle burned
- C.
Color of the candle
- 17.Janet wanted to see if the height of a person affected the length of their handspan. She measured three people's heights, and measured their handspans. She found that the taller a person is, the longer their handspan is. What is wrong with her experiment?
- A.
She tested too many variables at once.
- B.
She did not test a large enough sample of people.
- C.
She did not control all of the variables.
- 18.A variable is anything that can
- A.
Change an experiment
- B.
Change how you look
- C.
Affect the time
- D.
Look cool in an experiment
- 19.How many variables should you TEST at a time in an experiment?
- A.
283,283,845,238,954.23413383
- B.
0
- C.
1
- D.
17
- 20.Which statement below is NOT an observation
- A.
The rock fizzed when acid was poured on it
- B.
The experiment ended at 9:45AM
- C.
The explosion rose over 3 feet from the table
- D.
The chemicals look gross when you mix them together
- 21.Olivia got a drink from the water fountain and said "Eww, water at home is so much better." Since she likes home water , she wants to set up an experiment to test which kind of water is healthier. What statement do you think could be Olivia's hypothesis?
- A.
"If I test both waters, then the water from my house will be healthier than school water"
- B.
"The results show home water is healthier than school water"
- C.
"Water from school is better for you"
- D.
"Samples of school water look less clean"
- 22.Tara thinks that a video game will improve scores on a social studies test. She has 4 students take an exam before and after playing through an entire video game. The table below shows their scores. Before video game After video game Student 1 79 85 Student 2 86 80 Student 3 77 73 Student 4 93 90 Do these results show that the video game helps students improve test scores? Why?
- A.
Yes, one student improved, so it works!
- B.
No, only one student improved, the rest didn't
- C.
Yes, the scores stayed about the same
- D.
I have no idea what this is about
- 23.In scientific research, the DEPENDENT VARIABLE is a factor that is measured to learn the effect of one or more independent variables.
- A.
True
- B.
False
- 24.In an experiment, you water three sunflower plants with salt water. Each plant receives a different concentration of salt water solution. A fourth plant receives pure water. After a two week period, the height of each plant is measured. In this experiment, the plant height is which of the following?
- A.
The control
- B.
The DEPENDENT variable
- C.
The INDEPENDENT variable
- D.
Qualitative data
- 25."What effect does temperature have on plant height?" is an example of a conclusion.
- A.
True
- B.
False
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