Grade 7 Science: Graphing
This worksheet covers fundamental concepts of graphing, including identifying types of graphs, interpreting data, and understanding variables.
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Grade 7 Science: Graphing Fundamentals
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Read each question carefully and answer to the best of your ability. Show your work where applicable.
1. Which type of graph is best suited to show changes over a continuous period of time?
Bar graph
Pie chart
Line graph
Scatter plot
2. In an experiment, the variable that is measured or observed is called the:
Independent variable
Dependent variable
Controlled variable
Constant variable
3. The axis on a graph typically represents the independent variable.
4. A graph is used to compare different categories of data.
5. All graphs must have a title and labeled axes.
True
False
6. A pie chart is suitable for showing how a whole is divided into parts.
True
False
7. Briefly explain the difference between an independent and a dependent variable in an experiment.
8. Observe the bar graph below and answer the questions that follow.
a. Which color is the most popular among students?
b. How many students chose Blue as their favorite color?
c. What is the difference in popularity between Green and Yellow?
9. Imagine you are conducting an experiment to see how the amount of sunlight affects plant growth. Describe what your independent variable, dependent variable, and at least two controlled variables would be.