Students examine the role of human respiration and how it relates to radon. They identify damage to the lung from the exchange of carbon dioxide and oxygen. They work together to complete a lab activity and worksheet.

High schoolers measure and compare the amount of vitamin C in orange juice samples. They discover the effects of different factors on the concentration of vitamin C. They participate in an experiment to test the orange juice.

Students perform a laboratory exercise designed to show how DNA can easily be extracted from onion cells. They conduct an optional test for the presence of DNA using standard lab equipment.

In this chemical reactions worksheet, students calculate the volume or pressure for different gases. Students determine the effect of different stimuli on the rate of a chemical reaction. This worksheet has 1 short answer, 10 fill in the...

Eighth graders extend skills for representing and solving linear equations to linear inequalities. Lesson activities build understanding and skill by plotting ordered pairs of numbers that either satisfy or do not satisfy a given...

In this multi-step equations worksheet, 9th graders solve and complete 11 different problems that include applying several steps to complete each one. First, they determine what the operations have done to the variable and undo these...

Students test for amaylase enzyme in a variety of substances. Student pairs perform a series of tests to determine how long it takes the starch sample to change to sugar molecules and the blue color to disappear when various saliva...

Sixth graders plan trip for family of four, and choose best travel plan by studying maps, considering different routes, and visiting Web sites to get airline and travel schedules.

Pupils solve systems of 2-by-2 linear equations using tables, graphs and substitution. In small groups, classmates work together to discover strategies for solving equations. They use a calculator to graphically represent their answers.

Learners use a Colorimetric test to measure pH and gain the importance to life in an aquatic ecosystem pH is. They explore the dramatic effect pH level can have on a water body. Students test the pH level of many water samples.

Eighth graders investigate the acoustic properties of materials in order to develop soundproofing products.  In this soundproofing lesson students research different resources, design and perform experiments and fabricate, test and...

In this using present tense verbs for measurement instructional activity, students read the explanations and examples of active and stative verbs, then interactively complete 5 sentences with immediate online feedback.

Eighth graders practice technology skills through the use of a spreadsheet and a discovery lesson focusing upon linear equations. The technology allows for the visual changes to be displayed for different lines of equations.

This is an advanced rates of reactions worksheet. Students will be determining reaction times, molarities, and reactions rates for different reactions.

Students explain monomer/polymer chemistry of starches and sugars.

Ninth graders express mathematical properties through creation of advertising jingles.

Learners examine how a consumer can make informed choices. They visit stores with a prepared shopping list, record the prices on a spreadsheet, create graphs, and create a Powerpoint presentation comparing the total cost of stores and a...

Students differentiate graphical representations looking for the bias. They use a systematic process in order to solve problems. Students explain how a problem is solved and the steps involved. Even deeper than this is giving the...

Middle schoolers investigate the concept of using box and whisker plots. They demonstrate how to use them to compute median, mode, and range. Students compare and contrast the complete and systematic processes use to solve problems. This...

Ninth graders explore mathematical properties through the use of an advertising jingle. They produce a commercial that is digitized and presented to the class. Students write a jingle that simplifies each property and helps classmates...

In this vocabulary learning exercise, students find the synonym and antonyms of sixteen words, complete four sentences with the correct word, and find the correct word for two separate sentences. Questions are multiple choice.

Students investigate the effects of acid rain by conducting an experiment with bean sprouts and graph the results. In this Environmental Policy lesson, students visit a museum to identify examples of foreign and domestic policy on...

Middle schoolers explore measurements of rectangles. For this measurement comparison lesson, students discover the length, width, perimeter, and area of two different rectangles. Middle schoolers record their measurements on a chart to...

In this trigonometry worksheet, students solve trigonometric equations, prove trigonometric identities, and graph trigonometric functions. The four page worksheet contains sixteen questions. Answers are not...