Students describe how radioactivity relates to alpha and beta particles. Using their properties, they write a descriptive paper about the gamma rays and alpha and beta particles. They calculate q-values and the half-life of a given...

In this chemistry worksheet, students measure the different vibration levels of energy. They use the fundamental vibration frequency formula to calculate the Morse potential for a given chemical bond. There are 2 questions.

You can't tell by the title, but this is a functional periodic table of elements. Incorporating bright colors, lucid text, and easily operated features, this application serves as a valuable reference tool for your chemistry class.

Space scientists investigate the cosmic phenomena in order to search for answers to possible origins of the solar system. They consider the concepts of elements and  isotopes. Data is analyzed looking at tje abundance of elements...

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

In this minerals and rocks activity, students answer questions about the chemistry of minerals, scratch tests, rocks and the rock cycle, and erosion and deposition.

Students apply the principles of chemistry to investigate the concept of how a hydrogen powered car works. They study the electrochemical reactions that provide the energy source. Students also record observations in the functioning of a...

What's the difference between a rock and a mineral? And what properties are used to identify minerals? The first installment of a five-part series on earth materials and processes prompts young scientists to identify a set of...

In this thermochemistry worksheet, students solve a variety of problems including finding heats or reactions, determining specific heats of substances, finding the amount of energy released in a calorimeter determining the final...

Learners analyze the amount of space required to pack round objects. In this geometry instructional activity, students practice using space economically by practicing packing spheres into beakers. They then translate this concept to...

Students will review a semesters worth of material on this final chemistry review. Information ranges from naming isotopes to pH and molarity.

Students research chemical formulas and balance chemical equations.  In this chemical equations lesson plan students complete a class activity on chemical equations and answer questions.

Students work in small groups with a small set of 8 nuts and 5 bolts to assemble into combinations of 1 nut: 1 bolt, and 2 nuts: 1 bolt. They explore the outcome and discuss. Then a student mixes two clear, colorless solutions together...

Learners intergrate science, technology and society into exploring the periodic table. They investigate one element of their choice and write a one page paper on the elements discovery, properties, uses, and the effect on society.

In this atom model activity, students explore how scientists developed the Bohr-Rutherford atom model. Students complete 15 fill in the blank statements.

[Free Registration/Login may be required to access all resource tools.] Covers definition of atomic mass and calculations of atomic mass.

[Free Registration/Login may be required to access all resource tools.] In the following online tutorial students will be asked to define atomic number, mass number and understand how isotopes differ from one another. They will be able...

This activity allows young scholars to gain an understanding of the relationship between the mass and relative abundance of an isotope and its effect on the average atomic mass of the element. Students will be given a random sample of...

A tutorial describing average atomic mass and how it is calculated.

[Free Registration/Login Required] Students explore how percent abundances of different isotopes affect the average atomic mass for that given element. Students form connections between the average atomic mass and a person's body mass....

[Free Registration/Login may be required to access all resource tools.] Shows the calculation of mass number.

This slide and audio book shows how to relate mass to a number of particles by using many formulas, examples, and real life scenarios. View the weighted average calculations, Avogadro's number, the atomic mass of carbon, and molar mass.

This chemistry tutorial helps students understand that formula mass is the total of all the atomic masses of a chemical formula.

By the end of this section, you will be able to express the ideal gas law in terms of molecular mass and velocity; define thermal energy; calculate the kinetic energy of a gas molecule, given its temperature; describe the relationship...