Unit 1 Lesson 4 Review

Which type of graph is a good way to show how data changes over time?

• bar graph

• line graph

• circle graph

• pie chart

Scientists must ________________ their data before they can analyze it.

• report

• draw conclusions

• organize

• bar graph

Which is the main reason scientists use models when discussing, describing, and studying atoms?

• Most atoms are too large to study in a lab.

• An atom is very small, and a model will help when studying it.

• All atoms are too dangerous to study without a model.

• Most atoms are too far away for scientists to study in a lab.

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

To determine how the intervals (scale) will be numbered on the left-hand side (y axis) of a bar graph, you should use the highest number (range of data) from your data to help you decide how high you need to go.

• True

• False

A pie chart would be the most appropriate way to show data over a six month period of time.

• True

• False

What is the independent variable on this graph?

• color

• M & M Colors

• Number of Candies

• 0, 5, 10, 15, 20

What is this graph missing?

• the independent variable

• a scale

• a dependent variable

• the title

What is the dependent variable?

• Days of Snow

• Months

• the bars

• 0, 2, 4, 6, 8

A factor that is changed by the scientist on purpose

• conclusion

• independent variable

• data

• dependent variable

This changes in response to the independent variable...

• conclusion

• analysis

• hypothesis

• dependent variable