During this lab activity, chemists discover the reactivities of chlorine, bromine, and iodine as examples of the halogens. They use a displacement reaction as a test by adding other compounds and observing for a color change. The lab...

Probability prevails in this assignment as youngsters determine the probability of finding a blue pen in a cereal box when they can come in blue, green, yellow, or red. Learners set up a simulation to determine the outcome of compound...

In this nomenclature worksheet, learners determine the name of the chemical compounds from its formula. Students also write the formula from compound names. This worksheet has 80 fill in the blank questions.

In this chemical compounds worksheet, students draw and correct Lewis structure for the given compounds or ions. Students draw the resonance structure if applicable. This worksheet has 8 problems to solve.

In this algebra worksheet, students solve inequalities and graph it on a number line. They use correct graphing method when dealing greater than and less than. There are 3 questions with an answer key.

For this chemistry worksheet, students look for the words in the puzzle that are related to the theme of the word search. The vocabulary and spelling are emphasized.

In this scale drawing worksheet, young scholars find the area of a compound shape. Students are presented with a drawing of two different sized rectangles that share one side. They compute the size of each rectangle and add their areas...

In this probability worksheet, learners determine the likelihood of an event occurring. They complete both simple and compound probability problems. Explanations, examples, and detailed instructions are provided throughout the worksheet....

For this area worksheet, students find the area of compound polygons. This one-page worksheet contains 2 multi-step problems.

In this review of language arts skills worksheet, students correct capitalization and punctuation mistakes, identify the root/base words, determine synonyms for given words, and combine sentences to create compound sentences. Students...

In this organic chemistry review activity, students complete 50 multiple choice questions on naming and identifying organic compounds.

Challenge young scholars' understanding of thermochemistry with this skills-practice instructional activity on Hess's Law. Given a series of five multi-step chemical reactions, students must determine the overall...

Frequently found in biology and economic application problems, exponential equations show up as stars in this introductory presentation. Taking no background or knowledge of exponentials for granted, the slides walk learners...

The more things change, the more they stay the same. This unit includes seven lessons starting with physical change and moving through to chemical change. Conservation of matter is explained clearly with multiple hands-on activities and...

Naming complexes can be, well, pretty complex! Simplify a study of ligands using interactive puzzles. Junior chemists match up the name, formula, and complex name, then solve a series of logic games with the information.

Learning names and formulas can be a daunting task for young chemists, so support their study with interactive puzzles! First, users match each formula with its correct name. Then, individuals use them to complete three logic games.

Develop a sketchy approach to solving quadratic inequalities! Using a sketch of a graph, the presenter shows a way to solve quadratic inequalities. Pupils then practice that method to solve their own quadratic inequalities and apply the...

How does water activity play a role in food spoilage? First, the learners think about which types of foods would be best to take on a backpacking trip based on the water activity of different foods. It then walks through why water...

In this probability worksheet, students analyze word problems to determine for part one the independent events and for part two the dependent events. There are 6 questions.

In this covalent and ionic substances worksheet, students use the internet to find information about the characteristics of covalent and ionic substance and explain what causes the differences in these types of substances.

In this acids and bases worksheet, students learn the differences between an acid and a base and how pH is used to measure the strength of an acid or base. Students read about pH and acid rain. This worksheet has 10 matching and 20 fill...

Students explore simple machines.  In this simple machines science lesson, students work with a partner to identify what kind of simple machine is represented by a variety of household objects placed in paper bags.  Students...

In this microscope worksheet, students use an on line site to answer questions about the history of the microscope, they view objects and identify what each is, they explore different magnifications of the microscope and they answer...

Eighth graders investigate chemical reactions to produce polymers. In this polymers lesson plan, 8th graders experiment with sodium silicate and ethyl alcohol to make a polymer. They also experiment with borax and glue to make a polymer....