In this solubility instructional activity, students conduct an experiment to see how temperature effects the solubility of salt in water. Students record their data in a chart and then graph the results. Then students complete 2 short...

In this geometry worksheet, 10th graders solve problems with quadrilaterals. They calculate the sum of the angles, find missing angles and identify properties of quadrilaterals. There are 16 questions with an answer key.

In this thermometric titration activity, learners investigate the temperature changes when an acid neutralizes an alkali. High schoolers graph their results from the titration and draw the two best-fit lines on their graph. Where the...

In this geometry worksheet, students solve word problems having to do with lines, angles, shapes, area, perimeter, and more. Students complete 57 problems total.

In this equilibrium worksheet, students perform a computer simulation on vapor pressure of water at different temperatures to answer 11 problem solving and short answer questions about the topic.

In this quantitative analysis worksheet, learners perform a lab to determine the amount of acetic acid in vinegar by doing a titration. They use an indicator phenolphthalein to determine the endpoint of the titration.

In this activity for making standard solutions, learners read about making a standard solution and perform the three background calculations necessary to make one. Students then make a solution by weighing a given substance, adding it to...

In this power transmittance activity, high schoolers read about sources that transmit power and are given a chart with the distance and the power transmitted by each device. Students determine the intensity in watts of the power for each...

For this composition of soil worksheet, students study the make-up of soil by identifying the amount of air in the soil, the amount of water in the soil, the size of the mineral grains in the soil and the proportion of humus in the soil....

In this density of pennies worksheet, student conduct an experiment to determine the metals used in the core of pennies made after 1983. Learners design their own experiments using a balance and graph paper to determine the density of...

In this chemistry learning exercise, students complete 12 short answer questions and problems on water vapor equilibrium. They calculate equilibrium concentrations of reactants and products.

In this estimating cell sizes worksheet, students read about the relationship between a cell's size and the rate of cell waste diffusion. Students solve 4 problems including writing the equation for the rate of waste exchange, finding...

In this metrics worksheet, students read information about the metric system. Students review the concepts of prefixes, conversion ratios, and the decimal system. This worksheet has 17 matching, 31 fill in the blank, and 8 word problems.

In this area worksheet, students use the perimeter or radius to determine the area of a circle. This one-page worksheet contains 8 problems. This worksheet may be produced in printed form. Answers may be viewed on-line.

In this modeling the Keeling Curve activity, students use given data beginning in 1960 to create a mathematical model for the changes in atmospheric carbon dioxide over time. Students manipulate the equation to predict the carbon dioxide...

In this soap instructional activity, students produce soap in the laboratory and test their product by using it to wash away engine oil. Students answer four questions about tests they perform on their soap.

 In this Integrated Algebra worksheet, students solve problems that reflect the topics covered during the course of work.  The answer key identifies each question by standard and topic.  The twenty-four page worksheet...

In this surface area worksheet, students solve 6 short answer problems. Students determine the amount of gift wrap paper needed to cover a rectangular box using surface area formulas.

In this science activity, learners use the diatoms present in water in order to test water quality and perform data collection and interpretation.

For this comet worksheet, students will read information about the Comet Halley that has been collected by recent space probes. Students will use this information to complete 7 short answer questions.

In this electrochemistry worksheet, students solve 9 problems such as identifying masses of metals produced at cathodes, determining the potential of a cell's electrode and writing cell reactions along with their potential.

In this care homework worksheet, students add, subtract, multiply and divide integers.  They multiply and divide fractions.  Students complete percent problems and determine the area of polygons.  This three-page...

In this algebra worksheet, students manipulate integers to add, subtract, multiply and divide using order of operation. They rewrite word problems and solve for the unknown. There are 24 questions with an answer key.

In the second of two similar worksheets, anglers compute missing angles when given an alternate, supplementary, or complementary value. There are six problems to solve, but each of them requires two to four solutions. This is a nice...