Chapter 1 flash cards Define observation and give

Chapter 1 flash cards

• Define observation and give an example of an observation you made today.

observation • a record or description of an occurrence or pattern in nature. Use it in a sentence. • I observed my cat eating a dead unicorn today. • video

Define hypothesis

Hypothesis • a reasonable and educated possible explanation based on what you know and what you observe • Use in a sentence

Define infer

infer • to draw a conclusion based on what you observe

Define controlled experiment

Controlled experiment • an experiment that involves changing one factor and observing its effect on another while keeping all other factors constant

Define variable

variable • a factor that can be changed in an experiment

VARIABLES Question: What are variables?

VARIABLES Answer: A variable is something that changes

NAME 4 TYPES OF VARIABLES

4 TYPES OF VARIABLE Independent Dependent Controlled Uncontrolled

DEFINE INDEPENDENT VARIABLE “MANIPULATED VARIABLE”

INDEPENDENT VARIABLE A variable that we change (manipulate) on purpose. Example-Change the type of medication.

DEPENDENT VARIABLE “RESPONDENT VARIABLE” A variable/result that changes. We do not know what this is when we begin the experiment Example- People stopped growing a third eyeball

DEFINE CONTROLLED VARIABLE “CONSTANT VARIABLE”

CONTROLLED VARIABLE “CONSTANT VARIABLE” A variable that does not change throughout the experiment. Example- temperature Food Sleep Etc…

Define UN-Controlled variable

UN-CONTROLLED VARIABLE A variable that changes that we have no control over. Example- genetics

Define constant

constant • variables that are not changed throughout an experiment

• Define chart

chart • an organizational tool that gives information about something in the form of a diagram, graph, or table

• What are the five steps to the scientific method in order?

Steps to the scientific method • • • 1. State the Problem 2. Make observations 3. Form a Hypothesis 4. Do the Experiment 5. Draw Conclusions