Students use easily obtained materials to study ecological succession in a microbiological community. This investigation is appropriate for a variety of age groups. Elementary Students be fascinated by the changes occurring over time...

In this science worksheet, students look for the words that fill the blanks to cover the concept of the atmosphere. The activity is meant to be a review.

In this chemical reaction worksheet, students write 11 balanced equations for 11 word equations, and complete word equations and balance chemical equations for 13 chemical equations.

Students examine the different changes in matter.  In this chemical change lesson students determine the amount of reactant made in a reaction using the law of conservation. 

In this science:  acid base quiz worksheet, students answer 20 true or false questions, not interactively, about acids and bases, then scroll down to check their answers.

Students explain the mole concept and use this concept to prepare chemical solutions of particular molarities.

Young scholars become aware of the environmental problems caused by acid rain and study the pH scale. They determine acidity of local rain water.

Students discover the types and amounts of particulate matter found in the air. They collect particulates using a Petri dish coated with Vaseline then classify and count the collection under a stereoscope.

In this chemistry learning exercise, students examine the concept of covalent bonds with the assessment. The answer key is included on page 3 and 4.

In this science learning exercise, students solve problems that are related to the concept of molecular polarity. The answers to the problems are included.

In this chemistry worksheet, high schoolers write in the correct equations in accordance to solving the word problems. The answers are on page 2.

In this chemistry worksheet, students complete the chart for each of the given elements by naming the number of protons, electrons, Valence electrons, and the electrons used to fill the outer shell. Then they complete each covalent bond...

For this elements worksheet, students give the symbol for given elements. Students determine the number of protons, electrons, and neutrons for atoms. This worksheet has 9 fill in the blank and 5 problems to solve.

In this compounds worksheet, students name the given compounds from its chemical formulas and write the chemical formula from the compound name. This worksheet has

In this aqueous equilbria learning exercise, students write the solubility product expressions for the given salts. Students determine what affects the solubility of salts. Students calculate the pH of a buffer solution. This learning...

In this acid rain crossword worksheet, students read 12 clues and select the answer from the word bank and place it in the crossword puzzle. Prior knowledge about acid rain is assumed.

In this atoms worksheet, students explain why the moles is used as a counting unit for atoms and determine the molar mass of given elements. This worksheet has 3 short answer and 4 fill in the blank questions.

Students explore acid rain. In this science lesson plan, students demonstrate phenomenologically the effects of acid rain on our environment and perform long-term "real-time" experiments.

In this natural resources and your Christmas tree worksheet, students read about the raw materials used to make items associated with Christmas trees, match 12 items with materials, then color a picture.

Students study acidic and alkaline balance. In this acid and pH levels lesson, students read information about pH, the formation of acid rain and its impact on environments. Students then complete an experiment to learn about the...

Pupils collect data on causes of Acid Rain. In this science lesson, students simulate the effects that produce acid rain, collect and analyze data from their samples. They relate science and statistics in this lesson.  

Students explore the causes of water pollution. In this environmental activity, students conduct experiments with natural filtration systems.

Students study acid rain and complete several activities that show how it affects the environment. They role play members of the community involved in a major decision involving the protection of the environment.

High schoolers conduct labs to gain an overview of chemical reactions. They observe examples of synthesis, decomposition, single displacement and double displacement reactions. They identify certain products by the use of litmus and...