In this introduction to chemistry activity, students complete 48 problem solving and fill in the blank questions. They convert measurements from one unit to another.

In this interactive vocabulary activity, students read the description of educational subjects and select the subject which the sentence is describing. There are 10 questions to complete.

High schoolers research about the chemical processes involved in cave formation. In this chemistry lesson, students draw or find a cave picture with stalagmites and stalactites online. They write a brief caption and share them with the...

Students investigate friction between different surfaces. In this physics lesson, students research biomaterials that can reduce friction. They calculate efficiency using a mathematical formula.

Students create models of ionic and covalent electronic bonds to demonstrate their understanding of these chemistry concepts. They explain how both ionic bonds and covalent bonds work so that younger students can understand.

Students review key words used in stoichiometry such as mole, molar mass, Avogadro's number, and mass - mole relationships. They participate in a series of small experiments to explore solving stoichiometry problems in the laboratory.

Middle schoolers identify and describe transition metals. They discuss alloys and their benefits. Students research one common, alloy, its composition, properties, and uses. They are asked for some common properties of most transition...

Young scholars perform an experiment to show the chemical reactions that occur when metal corrodes. They apply the results of the experiment to the conservation efforts of art curators trying to restore an ancient Greek bronze. This...

In this science instructional activity, students apply science basic knowledge of chemistry to the puzzles that are listed for the four parts of the sheet while focusing upon the identification of a metalloid.

In this stoichiometry worksheet, students review definitions and equations associated with molarity, density, atomic mass, molarity, and dilutions. This worksheet has 18 word problems.

In this National Olympiad Exam worksheet, students answer sixty multiple choice questions including topics such as atomic structure, problem solving, thermodynamics, acids and bases and solutions.

In this covalent bonding worksheet, students answer questions about types of bonds, electronegativity, valence electrons, and Lewis dot structures. They answer specific questions about covalent bonds in molecules and explain the...

In this universe worksheet, students read about the big bang theory and the evolution of the stars from the elements. Students answer four critical thinking questions about the beginnings of our universe.

In this chemical symbols worksheet, students read about how elements were named and connect symbols to their Latin names. They answer questions about the derivatives of chemical names.

In this percent composition learning exercise, learners calculate the percent composition of compounds using their formula masses and masses of individual elements. They solve nine problems including calculating percent composition,...

In this formula mass instructional activity, students read about molecular substances and their formula masses. They find the formula masses for six compounds using the atomic masses of its elements.

For this nuclear decay worksheet, learners read about alpha and beta decay and the isotopes formed by the reactions. Students solve nine problems including writing the equations for the decay of radioactive isotopes, identifying the...

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.

Students write electron configuration of elements using atomic numbers and they identify valence electrons. In this electrons lesson plan, students observe a demonstration showing the space-filling property of an electron. They also...

In this chemistry calculations review worksheet, learners solve 33 review problems about titrations, precipitates, pressure and volume of gases, combustion reactions, heat of combustion, molar concentrations and molecular formulas.

In this quantities in chemistry worksheet, students solve 13 review problems about percent composition, significant digits, the mole, simple and molecular formulas, balancing equations, stoichiometry, limiting reagents and percent yields.

In this naming binary compounds worksheet, high schoolers are given 8 pairs of ions and they identify their oxidation numbers, their formula when the combine and the name of the compound. They are given 8 formulas and they identify the...

In this mass spectrometer worksheet, learners read about how a mass spectrometer determines the elements in gases around Earth. Students answer 3 questions and identify the elements in a graph found by a mass spectrometer.