Graphing
This type of graph is designed to show a percent of a whole, where the whole equals 100%
What is a pie chart / pie graph?
The ______________ variable is indicated on the x-axis.
What is the independent variable?
_________________ are events that can be observed and repeated. For example, when you saw aluminum pie pans fly off the VDG when it was turned on. This was repeated.
What are phenomena?
Objects with ___________ charges attract each other.
What is opposite?
____________ is the force that pulls a skydiver down to Earth. p. 5
What is gravity?
This type of graph is designed to make comparisons of data, and the x-axis is usually grouped into categories (qualitative.)
What is a bar graph?
The ______________ variable(s) is indicated on the y-axis.
What is (are) the dependent variable(s)?
Scientists and engineers use ______________ to help them understand and make predictions about natural phenomena.
What are models?
Objects with ___________ charges repel each other.
What is like or "the same"?
An ebonite (rubber) rod was rubbed with _____ to give it a charge.
What is fur?
This type of graph show trends, such as how things change over time.
What is a line graph?
This indicates what data is presented, it should be a brief statement describing the subject of the graph.
What is the title?
A ________________ mechanism is a description or representation of how a change in one component of a model causes changes in other components
What is causal? p. 17
A neutral object will _____________ to a charged object.
What is attract?
___________ forces are involved when plastic wrap sticks to a container or to itself. p. 29
What is electric?
This type of graph consists of a series of points plotted on the grid and then connected together point to point.
What is a line graph?
The _______________ on graph paper are used to indicate the corresponding values of lines.
What are tick marks?
Scientific models always start with a ___________ that needs to be answered.
What is a question? p. 17
You can put an electric charge on an object by ______________ it with another object that already has an electric charge. p. 28
What is touching?
__________ ___________ is caused when clothes rub against each other in the dryer. p. 29
What is static cling?
This type of graph is often used to show frequency data.
What is a histogram?
This is used to differentiate between data sets for multiple lines or bars on a graph.
What is a key?
Models may need to be _________ when additional evidence is collected, or new quesitons arise that cannot be explained by the original model.
What is revised? p.18
Draw the 2 possibilities that exist for the charged pieces of tape?
What is B=+ & T = - & B= - & T = +
Right before a thunderstorm, __________ become electrically charged. p. 30
What is clouds?