Vocabulary
Measurement Tools
Graphing
Measurement
Scientific Method
100
What is the definition of length?
The distance from one point to another
100
What is the best tool to use to measure the length of an object?
metric ruler
100
Which axis has the independent variable?
x axis
100
What measurement is used to determine the LENGTH of a textbook?
centimeters
100
When we gather information with our senses - taste, touch, smell, see, hear - what is it called?
observation
200
What is a hypothesis?
Hypothesis is a possible explanation for an observation that can be tested by scientific investigations.
200
What is the best tool to use to measure the volume of a liquid?
graduated cylinder
200
What needs to be provided on the side of a graph if more than one data set is plotted? We represent it in different, colors, etc.
a key
200
What units do we use to measure the volume of a liquid?
mL
200
What is the difference between a dependent and independent variable?
A dependent variable is the factor you observe and he independent variable is the factor you want to test.
300
What is an inference?
An assumption based off of observations
300
What is the best tool to use to measure the volume of an irregular shaped object like a marble?
graduated cylinder
300
What is important about the scale on a graph?
To keep intervals consistent and use up as much of the graph as you can
300
What formula do I use to measure the volume of a textbook? What units would I use?
length x width x height
300
What is a constant?
something we keep the same in an experiment
400
How many independent variables should there be when testing a hypothesis?
one
400
The name of the curved surface of a liquid in a graduated cylinder, which you read at eye level.
Meniscus
400
What is a direct relationship on a graph?
As x increases, y increases.
400
What is the measurement of this line? Don’t forget your units!
4.5 cm
400
Why do we need a control group?
The group that provides a baseline for comparison because it is not exposed to the independent variable.
500
You are taking an introductory biology course. What is biology?
The study of life
500
Explain the process of taking the volume of an irregular shaped solid?
1. Take initial volume
2. Drop object in
3. Take final volume
4. Subtract final - initial
500
Why do we use graphs?
to show patterns and relationships
500
What unit of measurement do we use for volume of a textbook?
cm3
500
What is the definition of a variable?
A variable is any factor that can have more than one value.