Seventh graders determine the amount of blue food coloring in sports drinks and plot the concentration and absorbance data. They summarize the data and determine why companies need to know the amount of chemicals in their products.

Students examine the concept of radioactive dating. In this radioactive dating lesson plan, students investigate how to determine the ages of fossils and rocks as they learn about half-life radioactive decay.

For this earthquake worksheet, students determine the distance of the epicenter based on the S-waves and P-waves on a seismograph. This worksheet has 4 problems to solve.

Sixth graders explore the water displacement method to determine the volume of solid objects such as rocks, nails, and marbles.

Learners estimate the pH based on the use of an unknown substance, determine whether an unknown substance is acid, base or neutral, and evaluate, by the pH determination, which of the unknowns is the strongest acid or base.

In this metal ion worksheet, students follow the steps to determine the oxidation states of the metals in each of the given compounds. Students complete 10 problems.

Students derive a formula for the interior degrees in any convex polygon. In this geometric figure lesson, students determine the shapes of various polygons and the number of triangles formed. They use this information to derive the...

In this perpendicular lines worksheet, learners determine the equations of perpendicular lines in eight problems.  Examples, formulas, explanations, and solutions are provided.

In this synthetic substitution worksheet, students evaluate three different function at specified points.  Students also determine if given factors are factors of four specific polynomials.  Additionally students use the Factor...

Sixth graders determine appropriate scales when graphing data. In this graphing lesson, 6th graders use an the applet "Graph It" to determine what is an appropriate scale for their data.

Young scholars use their basic knowledge of dendrology concepts and terms.  In this tree leaf lesson students divide into groups and determine which characteristics go with what plant. 

Students determine the concentration of an unknown nickel (II) sulfate solution by using the colorimeter.

Students practice manipulating algebra formulas with more than one variable. They examine the topics of velocity, wavelength and frequency. They determine the amount of red-shift in a receding star.

Young scholars complete research and solve problems that show the factors that determine the temperature of the earth's surface including the effect of greenhouse gases. They look at the relationships between solar energy, atmosphere,...

Students discover how water moves through different types of soils. In groups, they use the same sample from a previous activity and empty it into a milk carton in which they have layered with cheesecloth to determine the percolation...

Seventh graders are introduced to making inferences about artifacts. Using a grid system, they locate the artifacts and determine where they originated from. They use this information to make conclusions about the way people lived...

In this determining distance worksheet, students solve a set of 10 problems, determining distance between 2 pairs of points. A reference web site is given for additional activities.

In this series activity, learners determine if series converge, converges absolutely, or diverge.  Students also state what test they used to arrive at their solutions.

Fifth graders investigate very important points in stories. In this reading comprehension lesson, 5th graders read a story and determine what the very important points are within the story by using notes and discussing what they feel the...

In this linear system worksheet, students compute the determinant of a given matrix. They solve systems of equations and compute the inverse of a matrix. This two-page worksheet contains examples, explanations, and three multi-step...

In this math worksheet, students practice reviewing the different method to find the inverse for a matrix. They compute the determinant of a matrix.

In this proportions worksheet, learners determine an unknown length by setting up and solving proportions. They are given sets of numbers representing lengths and identify the missing length. This one-page worksheet contains ten...

Students explore the concept of credit cards. In this credit cards lesson, students read an article about credit card spending. Students discuss different ways in which people use credit cards. Students determine what kind of spender...

In this puzzle learning exercise, students determine the digit represented by nine letters to make the addition correct. Two possible solutions are provided at the bottom of the page.