Vocabulary I
A testable idea or explanation that leads to scientific investigation.
What is hypothesis?
The test model of a product.
What is prototype?
In the ___________ scientists have the opportunity to collect data in a controlled environment.
What is laboratory?
Scientists gathering evidence outdoors or where conditions cannot be controlled is known as ____
What is fieldwork?
The act of giving up one advantage to keep another.
What is trade-off?
The process of gathering information by using the senses.
What is observation?
An organized procedure to study something under controlled conditions.
What is experiment?
Engineers perform a(n) ___________________________ to compare the possible negative effects of making a decision involving technology with the possible positive effects.
What is risk benefit analysis?
A well supported explanation of nature
What is Scientific Theory?
A description of a specific relationship under given conditions in the natural world.
What is Scientific Law?
The process begins with identifying the need for a new or improved product or technology.
What is the engineering and design process?
The tools, machines, materials, and processes that are used for practical purposes.
What is technology?
The factor that is purposely adjusted in an investigation.
What is independent variable?
The factor that changes as a result of changing the independent variable.
What is dependent variable?
They are visual representations of data.
What is a graph?
A testable idea or explanation that leads to scientific investigations is called a(n)________________________________.
What is a Hypothesis?
The measurements and data scientists gather in support of a scientific explanation
What is empirical evidence?
An evaluation of the materials and energy used for the manufacture, transportation, sales, use, and disposal of the product.
What is Life Cycle Analysis?
Used to display and compare data in a number of separate categories. The length and height of the ___ represents the number.
What is bar graph?
Results can be reproduced by other scientists.
What is a good scientific experiment?