vocabulary
a possible explanation for an observation that can be tested by scientific investigations.
Hypothesis
When other scientists can copy another scientists experiment and get the same results
Replicable
The first thing you need to do in conducting an experiment is?
observation/questioning
True or False?
Both quantitative and qualitative descriptions are important in science.
True
true or false:
You can describe observations in both qualitative and quantitative terms.
True
all of the parts of an experiment that stay they same in all tested groups
control variables
The variable that you are changing/testing in an experiment is the___________?
Independent variable
True or False:
There is only ever one right way to run an experiment to get a valid result
False
If you wanted to show something very tiny like a cell, what is something you could make and use to show it easier?
A model
safety equipment like the chemical shower and fire extinguisher should be used when?
only in an emergency
A rule that describes a pattern in nature (the "what")
Scientific Law
The outcome of an experiment (any change that occurs) as a result of the independent variable is called the ____________?
Dependent variable
Before coming up with a hypothesis a scientist must do what?
research
If Bill runs an experiment and publishes his steps and results, then Sara runs the same experiment and gets the same results What does that say about the experiment?
The results are more valid and replicable
If I am measuring how high a rubber ball bounces in different air temperatures, what is the dependent variable?
how high it bounces
Describing something measurable with a number, you are using a ___________ description
Quantitative
If you describe something using color, texture, scent, etc. you are using a _________ description
Qualitative
If I experiment on plants, but all plants have the same pot........The pot is an example of what?
Control variable
If Dave visits a wooded area every week for a year to watch deer and see what they eat throughout the year what type of investigation is he doing?
field observation
Using a ruler to get a result of an experiment would give you what type of answer?
quantitative
When a scientist repeats an experiment several times.
Repetition
The active process of gathering information by noticing and recording facts or occurrences using one's senses or instruments.
Observation
What is an organized procedure to study something under controlled conditions
An Experiment
What can cause two people to get different results in the same experiment?
another variable can contribute to the results.
If I am measuring how high a rubber ball bounces in different air temperatures, what is the independent variable?
The air temperature