In this reactions worksheet, students describe combustion as either exothermal or endothermal. Students balance reactions and label the types of reactions. This worksheet has 1 multiple choice, 2 short answer, and 10 problem solving...

In this oxidation numbers activity, students compare metals and nonmetals, draw Lewis Dot Diagrams, and determine the oxidation number for the given elements. This activity has 1 multiple choice, 5 short answer, and 12 fill in the blank...

In this chemicals worksheet, students fill in 61 blanks of statements comparing the chemicals used in farming and the chemicals found in medicines and food.

In this earth and beyond science worksheet, students read through an 18 page packet containing information and questions pertaining to global carbon cycles. There are website links available on the pages where additional information on...

Students learn about the biological carbon cycle. In this carbon cycle lesson, students access the web site and mouse over the diagrams to follow the carbon cycle. They read about what happens to humans and plants during this cycle.

Students write the electron configuration of elements using the Aufbau principle. In this chemistry lesson, students build their own key that demonstrates the principle.

Students gain a perspective in the development of chemistry. They understand some of the topics in their text and the ongoing nature of research. They then will be able to see the trends of the periodic table first hand through their own...

Fourth graders improve their understanding of Graham's Law by using properties of gases to evaluate the rate of effusion of two compounds as they vaporize. They engage in a lab which elevates their understanding of the properties of gases.

Tenth graders are provided with a piece of paper such as index, art, construction, or computer coating it with a universal indicator. They use cotton swabs HCl and NaOH to draw a picture repeating the same process using lemon juice and...

Fifth graders learn how ground-level ozone is an air pollution problem. Students measure ozone levels and graph the results.

Learners observe the behavior of termites and draw conclusions about their behavior. They record data as to termite behavior and recognize elements in the experimental design which must include a hypothesis.

In this general science learning exercise, students find 32 science words reviewing states of matter and types of substances. Students may self correct by selecting the link at the bottom of the page.

High schoolers examine pollutants and investigate air pollution emitted by a car in a year.  In this air pollution lesson students complete an activity and make calculations. 

The students list major air pollutants, what causes them, and their effects on people and the environment. Students list ways they can prevent or reduce the types of air pollution mentioned in the play.

Students become aware of the cause and effects of different air pollutants. They present a play about the different pollutants.

Students, in groups, take samples from a creek and keep a field journal on their samples. They also perform tests on their samples.

Students discover the background and properties of minerals. They examine fluorite and record data after testing it. They use the internet to help them discover information about minerals.

Students compare and contrast the different types of alternative fuels. They create a concept map to understand their classification. They examine the properties of matter and energy as well.

Students discuss the meaning of diversity in the world. They practice how to act around others and appreciate the different types of people that exist. The lesson includes a section of vocabulary and the reading of a story to illustrate...

Based on a set of criteria, students will evaluate the quality of pecans.1. Bring a gram scale and papershell pecans. Provide five pecans for each student. 2. Divide the class into groups of five and provide each member with five pecans....

Students predict the shape of molecules using VSEPR theory. In this chemistry instructional activity, students differentiate a polar and nonpolar molecule. They discuss why water's polarity is very important.

The third lesson in a series of 11 begins by using thermal decomposition of potassium chlorate to determine the mass percent of oxygen. Then a second activity allows scholars to demonstrate that the resulting residue is from a...

In this chemistry worksheet, students find the outcomes necessary for the oxidation reduction reactions. The sheet includes background information.

In this chemistry worksheet, students use the clues given at the bottom of the sheet to complete the crossword puzzle on mixtures. There are 18 clues to solve on the sheet.