How Do I Calculate Rates? Calculating Changes through Time in the Geosciences part of Math You Need:Rates
Introduction to Rates Change and time are two of the main themes in the geosciences. For example, geomorphologists study changes in landscape such as beach erosion, geochemists study chemical changes in rocks as ...

How Do I Calculate Density? Density and Specific Gravity in the Geosciences part of Math You Need:Calculating Density
By the end of this lesson, you will be able to: calculate a single variable (density, mass, or volume) from the density equation calculate specific gravity of an object, and determine whether an object will float ...

How Can I Use Graphs in the Geosciences? An Overview of the Use of Plots part of Math You Need:Graphing
Graphs with Two Axes Can Also Be Called: Linear plots/graphs Binary/bivariate plots/graphs Cartesian plots Graphs as a Way to Visualize Numerical Data Advances in technology have meant that geoscientists can ...

How Do I Read the Hypsometric Curve? Reading a Cumulative Percent Graph part of Math You Need:Hypsometric Curve
An Introduction to the Hypsometric Curve The hypsometric curve is the graph on the right-hand side of this page. This curve is typically used to demonstrate that the Earth has two types of crust, continental and ...

Constructing a Topographic Profile part of Math You Need:Slope and Topographic Maps
Below you will find some sample problems from the geosciences using steps on the constructing a topographic profile page. Problem 1: In Northern California, Lassen Peak forms the centerpiece of Lassen Volcanic ...

How Do I Construct a Topographic Profile? Connecting Points to Make a Smooth Curve part of Math You Need:Slope and Topographic Maps
Other parts of this resource on graphing take you through plotting points and constructing a straight line through data points. If you aren't sure how to plot points on a graph, please make sure you visit and ...

Results part of Math You Need:About this Project
TMYN Levels The Playing Field More than 3000 students were assigned The Math You Need, When You Need It modules as part of 106 geoscience courses at a variety of post-secondary schools. Changes in from pre- to ...

Guiding Students through Topographic Profiles An Instructors Guide to Transferring and Connecting Points with a Smooth Curve part of Math You Need:Slope and Topographic Maps
What Should the Student Get out of This Module?   By the time the student has worked through this module he or she should be able to: transfer elevations from a topographic map to a topographic profile (with ...

Adding a Trend Line to a Scatter Plot Constructing a Best-fit Line: Practice Problems part of Math You Need:Graphing
Below you will find practice problems for constructing a best-fit line using the steps found on the introduction pages. Try to do them without looking at the answers first. You can download and print a single ...

How Do I Construct a Straight Line through Data Points? Best-Fit Lines part of Math You Need:Graphing
Best-Fit lines Can Also Be Called: Linear regression Trend lines Questions that ask you to draw a best-fit line or trend in the data usually do not want you to "connect the dots." Instead, the question ...