In this rain forest worksheet, students use different basic math skills to calculate the percentage of Earth covered by rain forests today compared to fifty years ago. They study the effects of how cutting down trees contributes to water...

In this radioactive decay and half-life worksheet, learners use given half-lifes to calculate the amount of time it will take for certain amounts of elements to decay. They also find the age of samples and determine how many grams of...

In this temperature scales activity, students are given the equations to convert from Fahrenheit to Celsius and from Celsius to Fahrenheit. They apply to equations and convert given temperatures.

In this percentages and proportions worksheet, students are given percentages, they express them as a proportions, they create an equivalent ratio using "x" for the unknown portion and they cross multiply and divide to find their answer.

In this SI units worksheet, students read about the System International of measurement and answer questions about given measurements. They indicate if given measurements are equal and they convert from one unit of measurement to another.

In this scientific notation instructional activity, students read about scientific notation and practice converting numbers from ordinary notation to scientific notation.

In this scientific notation activity, students are given examples of how to multiply and divide using scientific notation and they practice both.

In this fertilizer learning exercise, students read about natural and manufactured fertilizers. They answer four critical thinking questions about fertilizers and their use.

In this limestone reactions worksheet, students read about the various types of limestone reactions and complete a diagram of deposits in a cave. They answer two questions about limestone reactions.

In this bioluminescence worksheet, students read about various organisms that glow on land and in the sea. They answer three critical thinking questions after reading about these chemical reactions.

In this fireworks worksheet, students read about pyrotechnics and the chemical make-up of fireworks. They are given a chart of elements and the colors they emit. Students answer three critical thinking questions about fireworks and their...

In this alchemy worksheet, learners read about the early thoughts of alchemists regarding elements. Students are given an experiment done by an alchemist during the Middle Ages and they answer three questions about the experiment knowing...

In this history of heating learning exercise, students read about the different ways of heating rooms over time. They answer three critical thinking questions about conduction, convection and heating.

In this conservation of energy worksheet, students read about the law of conservation of energy and about energy distribution. They answer three critical thinking questions about what the law of conservation of energy means to us for...

In this batteries worksheet, students read about how batteries work and the types of batteries. They answer three critical thinking questions about batteries and their use as alternate-fuel sources.

In this temperature conversions worksheet, learners are given the equations to convert from one unit of temperature to the other. They solve four problems using these equations.

In this specific heat worksheet, students are given examples to find the specific heats of substances and to use the specific heats to find the changes in temperatures of substances. Students solve eighteen problems using what they...

In this Little Ice Age worksheet, students read about changes in weather and temperature resulting in changes in rain fall and glacier movement. Students answer three critical thinking questions about the Little Ice Age that occurred as...

For this logic worksheet, students are taught about the use of syllogisms to solve problems. They use diagrams to visually show the relationships between objects. They complete two given syllogisms and answer questions about their results.

In this classifying worksheet, students read about grouping similar objects into categories based on similarities. They determine how the groups are related and they draw a diagram showing categories and subcategories.

In this SI units and conversion worksheet, students are given five problems to solve. They convert from one SI unit to another.

In this significant figures activity, students read about how to determine significant figures in calculations and measurements. They practice identifying significant figures in five problems.

In this types of rocks worksheet, students read about igneous rocks, sedimentary rocks and metamorphic rocks. They complete a chart about the three types of rocks and use the information from the reading to determine the origin of their...

In this digital television worksheet, students read about the advantages of using digital television. They answer three critical thinking questions about the advantages and disadvantage of digital television.