In this earthquakes worksheet, students learn about the measurements of earthquakes on the Richter scale. They answer six questions about the magnitudes and sizes of earthquakes using two tables of data about earthquakes and the Richter...

Students investigate natural selection and differential survival among divergent phenotypes of a population. Using everyday items , they model adaptations of camouflage and protective coloration in two very different environments.They...

Young scholars recognize the range and variety of severe weather. They plan for severe weather conditions that they may experience on an immediate and long-term scale and use climate information to make personal choices about where to...

In this geological time worksheet, student use a geologic time scale to understand the difference between eons, eras, and periods. Then students complete 2 short answer questions.

Students research sea life using laptop computers. In this sea life lesson, students participate in a field trip to the beach and enter observations into their laptop computers. Students classify shells and sea life.

In this average speed worksheet, students are given the distance a derby car must travel and its time for three trials. Students find the average speed and answer four questions about the data.

Students are introduced to the purpose of a population pyramid. In groups, they compare and contrast various population pyramids and identify trends about the civilization being examined. With a focus on Puerto Rico, they work together...

Pupils complete a worksheet on solutes in chemistry. They are given an equation in order to find the total mass solution, molarity, and molality.

Learners read the indicated text and complete several suggested labs and activities. They answer critical thinking questions. This instructional activity is very hard to do without the indicated text.

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.

Students recognize the variety and frequency of severe weather occurrences. They research the type of severe weather that may occur in their area as well as determine the frequency of occurrence.

Students reflect on how many board games they've played have African Americans, their culture or history incorporated within. They identify four street games and three card games that appeal to African Americans. They play the...

Students locate the ozone layer of the atmosphere. They explain natural formation of ozone. They list chemicals that react with ozone. They explain how CFC's destroy ozone.

Students identify task assignments by gender.

Students analyze cloud cover over Aruba. They compose and submit written conclusions which include data, analysis, errors in data collection, and references.

Students discover through this activity that all organisms are composed of water. They find that 70 percent of their bodies are made up of water that is in thier cells and blood, and not free-flowing throughout their body.

Students locate the many forests located in Oregon. In groups, they use the internet to research employment data on wood products made in the state. They discuss how looking at information presented in a different way can change their...

KS3 Math provides interactive activities on percentages, using pence and pounds. Use the factsheet for percentage information. You may use the worksheet for percentage practice and take the test provided to check your percentage skills....

Find a percentage or work out the percentage given numbers and percent values. Use percent formulas to figure out percentages and unknowns in equations. Add or subtract a percentage from a number or solve the equations.

Conversion calculators for English language learners. Includes calculators for converting temperature, currency, measurement, time, distances, and percentages. Java is required.

Download these worksheets to sharpen your percent calculation skills. Sheets focus on the percentage of a number, percentage rate, and percentage increase/decrease.

Explore percents with this easy reference guide. Learn how to convert fractions to percents and percents to fractions. Try the sliding bar to see how a percentage is calculated. Detailed explanations and examples are included.

Find more than 500 "mental calculation tricks" that will help you square numbers, add, multiply divide, subtract, and find percentages. A great resource for advance math students, gifted children, and teachers wanting to find ideas for...

A comprehensive guide for learning all about percentages with definitions, how to calculate them, solved examples, and practice questions.