Scientific Method | Variables | Knowledge from Labs |
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B- A procedure
What is the Scientific Method?
A- Instructions B- A procedure C- A hypothesis D- A problem set |
C. dissolving rate
What was the dependent variable in the Alka Seltzer experiment?
A. size of the cup B. time of day C. dissolving rate D. temperature of the water |
A- The thickness of a liquid
What is viscosity?
A- The thickness of a liquid B- The speed something flows C- The reaction between two substances D- The mixing of two substances |
C. question
The first step in the scientific method is:
A. conclusion B. hypothesis C. question D. procedure |
A- Controls
What makes a fair test?
A- Controls B- Dependent Variable C- Independent/ Manipulated Variable |
A. side of the penny
B. distance from penny C. age of penny
Which of the following would be good controls for the penny lab?
A. side of the penny B. distance from penny C. age of penny D. outside temperature |
C- Draw conclusions
Which is the last step in the scientific method?
A- Observe B- Gather data C- Draw conclusions D- Conduct experiment |
D. temperature of the water
What was the manipulated variable in the Alka Seltzer experiment?
A. dissolving rate B. size of the cup C. time of day D. temperature of the water |
C. material
The Mystery Substance (Sodium Polyacrylate) would be considered a:
A. procedure B. hypothesis C. material D. observation |
E- all of the above
What steps of the scientific method does the scientist observe?
A- during hypothesis B- during forming a question C- collecting data D- B and D only E- all of the above |
Control- type of soil, amount of water, same plant
Independent/ manipulated variable: different colors of light Dependent variable: growth of the plants
A scientists tests which color light a plant grows fastest in. He has three of the same kind of plant and keeps one plant under a blue light, one under a red light, and one under a green light. He gives each plant the same kind of soil and the same amount of water and checks for the growth after 4 weeks. What are the variables in this lab?
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C- Control Variables
Which variable makes a fair test?
A- Independent/ Manipulated Variable B- Dependent Variable C- Control Variables |
Control- each soda gets the same amount of mentos
Independent/ manipulated variable: different brands of soda Dependent variable: size of the explosion
A fifth grade class wants to know which soda will cause the biggest explosion when mixed with mentos. They test this reaction with Diet Coke, Coke, and Dr. Pepper. Identify the variables.
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