True or False
A quantitative observation deals with the descriptions that cannot be expressed in numbers?
False - Qualitative
Which type of investigation uses data collected on two organisms, objects, or phenomena to determine a relationship between variables.
Comparative Investigation.
Define System
A group of parts that work together as a whole
Science can help people in their economic lives as
consumers
A way to explain things by starting with a general idea and then applying the idea to a specific observation
Deductive Reasoning
Predicting is grouping together of items that are alike in some ways?
False - Classifying
What are the two types of variables in an experiment?
Dependent and Independent
Feedback is a type of
Output
A desirable result
benefit
The material or energy that goes into a system
Input
Using one or more of your senses to gather information is called classifying.
False - Observing
What is the independent variable?
The independent variable is the cause. Its value is independent of other variables in your study.
You design a study to test whether changes in room temperature have an effect on math test scores.
Your independent variable is the temperature of the room. You vary the room temperature by making it cooler for half the participants, and warmer for the other half.
A system produces a result or
Performs a function
Pollution produced by a coal burning plant is part of its
Cost
Rules that enable people to know right from wrong
Ethics
Scientific Reasoning requires a circular way of thinking based on fathering and evaluating evidence.
False - Logical
What is the dependent variable?
The dependent variable is the effect. Its value depends on changes in the independent variable.
You design a study to test whether changes in room temperature have an effect on math test scores.
Your dependent variable is math test scores. You measure the math skills of all participants using a standardized test and check whether they differ based on room temperature.
Why do scientists use models
TO understand things they cannot observe directly
Ideas people have about how they should treat the environment are
Social Concerns
Uses specific observations to make generalizations
Inductive Reasoning
Making models involves creating representations of complex objects or processes.
True
An hypothesis must be...(2 answers)
Testable and Answer a question.
A ticks life cycle can be shown as
A basic model
Studying hard for a test and making an A is a _____ of hard work.
Benefit
A group of parts that work together to perform a function or produce a result.
System