Chapter 0
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What is the independent variable in this data?
What is... Water Depth
What is the first step of the Scientific Method?
What is.. to observe
What is the first step of the engineering design process?
What is... Define the problem
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What is the Constant(s) in this data?
What is... Number of wire coils & Type of Nail
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Which month had the most precipitation?
What is... May
A Model that is used to test a design
What is... prototype
Fill in the blank:
A researcher may use _______________ to explain how or why an event occurs.
What is... scientific theory.
Fill in the blank:
To support a _______________, a scientist plans and conducts an investigation to collect data.
What is... Hypothesis
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Current overpasses in Netherlands are designed to support wildlife safety. Engineers determined the design must be heavily covered in vegetation. This is an example of?
What is... Criteria
A rule that describes a pattern in nature and can not be modified.
What is... Scientific Law
Refer to the image:
What is relationship between the independent and dependent variables?
What is... As the amount of salt increases the boiling point increases.
Cost, energy, space, and the availability of tools are examples of?
What is.. constraints
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Table 1 Shows the data from a group of students who added different amounts of salt to water and measured the temperature at which the water boils.
What scientific question is this investigation answering?
What is... How does different amounts of salt effect the temperature at which water boils?
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A group of students wanted to determine how farm animals maintain their temperature on a hot day. They recorded their observations in Table 1 in your handout. Which conclusions can be drawn from these observations?
A)Pigs and ducks prefer mud to water.
B)Dogs are happiest when they are in the shade.
C)Dogs and ducks use different methods to stay cool.
D)Ducks only splash in the water when it is hot.
What is... C) Dogs and ducks use different methods to stay cool.
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A group of engineers creates four different design solutions. They estimate the total benefits and total costs of each design. Their analysis of each design is shown in Table 3 in your handout.
Based on the data, which design should be selected to build and test?
A)Design 1
B)Design 2
C)Design 3
D)Design 4
What is... Design 4