Snowgraphing7th Grade Science

Are you ready to begin your first event?

Tables and Graphs• Visit the this website: Tables and Graphs• What is the purpose of tables and graphs?• How are they related?• Be sure to take the Tables Quiz.

Bar Graphs

• Visit the following site: Bar Graphs

• When would you use a bar graph?

• Take the Bar Graphs Quiz

Line Graphs

• Find out about line graphs at Line Graphs.

• When is a line graph most useful?

• What axis is time shown on?

• Try the quiz.

Circle Graph

• The final type of graph is Circle or Pie Graph. Click the “Learner” tab.

• What does a pie chart use?• The whole pie is equal to what percent?• Now try the activity.• According to this pie graph, what do you

spend the most time doing?• What do you spend the least time doing?

Solving Problems with Tables and Graphs

Graph Types and Uses

Putting it All Together

Question 1

The graph at the right represents the typical day of a teenager. Answer these questions:

a. What percent of the day is spent watching TV?

b. How many hours are spent sleeping?

c. What activity takes up the least amount of time?

d. What activity takes up a quarter of the day?

e. What two activities take up 50% of the day?

f. What two activities take up 25% of the day?

Question 2

Answer these questions about the graph above:a.How much more rain fell in Feb of 1990 than in Feb

of 1989? b.Which year had the most rainfall? c.What is the wettest month on the graph? d.What is the wettest month on the graph?

Question 3

This bar graph shows pets for sale in a pet store.a. How many

hjamsters are for sale?

b. What type has the most for sale?

c. How many more cats than goldfish are for sale?

Extra Games and Activities

• Try this if you have extra time:

• Billy Bug• Data Picking• Graph Mole• Billy Bug 2