In this periodic table worksheet, students use the list of coded letters and clues that correspond to the represented elements in the first four periods of the periodic table to complete the chart at the bottom of the sheet. They...

In this moles activity, students determine the mole ratio in given compounds and calculate the number of moles of specific elements in chemical compounds. This activity has 19 problems to solve.

Students examine the periodic table and how it was developed.  In this chemistry lesson plan students identify common properties and uses of elements within a family. 

In this balancing equations worksheet, learners walk through 1 sample equation in which they determine the number of atoms for each element then add coefficients to the equation to balance the atoms. After completing the sample, they...

In this Lewis structures worksheet, students identify and describe what Lewis structures or dot diagrams are and how they illustrate the valence electrons in an outer shell. Then they use a periodic table to determine the numbers of...

In this understanding radon detection worksheet, 6th graders read 8 facts about radon, make observations about and draw pictures of hidden objects, use a chart of elements to answer questions about radon.

In this atomic theory worksheet, students review the observations that led to the conclusion of the atom having a positively charged nucleus. Students compare atomic number and mass number and explain how the discovery of subatomic...

In this electrons activity, students complete a graphic organizer to show the pattern of the principal energy levels, number of orbitals, and electrons in each sublevel of atoms.

Students complete two graphic organizers in this ionization worksheet by filling in the proton number for given elements. Then, they create two graphs plotting the first ionization energy against the proton number.

In this chemistry 301 worksheet, students answer questions as it relates to the electron configuration of given elements. Students use the periodic table to assist in their interpretation of the questions provided.

In this classification of changes worksheet, students identify each example as either chemical or physical changes. Students also classify other examples as either element, compound, solution, colloid, or suspensions. In the other...

In this Chemistry 1A learning exercise, learners review, molecular weight, solubility, endothermic reactions, and number of protons, neutrons, and electrons for elements. Students review Lewis Structures and how to predict the amount of...

In this electron worksheet, students read about how atoms lose and gain electrons and how they become ions. They are given a table with nine elements and they give the electron configuration, the number of electrons, the number of...

What's the matter? Gas, solid, liquid, or plasma. The presentation covers how to describe and identify matter, changes in matter, types of matter, measuring matter, particles of matter, Democritus, and John Dalton's Atomic Theory.

As the title implies, this PowerPoint defines and illustrates the basic terms involved with describing matter. Phases of matter, atomic structure, and the different categories of compounds are included. Slides are simple and uncluttered....

Third graders study the concept of light as an energy source.  For this energy lesson students participate in a lab that show them the concept of light as an energy source. 

Although biochemistry of the human body is a vital topic, it doesn't have a chapter dedicated to it in many biology textbooks. If that's the case with your text, you can use this resource as a guide for designing your own lecture and as...

Young scholars study atoms and chemical compounds. They identify certain elements essential to human health, describe physical and chemical properties of water, and name four types of polymers unique to all life forms. They explain how...

In this atomic structure activity, students explain that an atom is made up of protons, neutrons and electrons. Then they explain that the atomic number is equal to the number of protons and the mass number is equal to the number of...

In this science molecule models learning exercise, student convert 8 molecule models to chemical formulas and 8 chemical formulas to molecule models.

In this atoms worksheet, high schoolers review the parts of an atom, Bohr diagram, atomic number, mass number, and covalent bonds. This worksheet has 5 drawings and 26 fill in the blank questions.

Learners articulate a possible relationship between arsenic and gold deposits in a written statement using data to substantiate the relationship they describe. They use real data to determine the source of the arsenic in the drinking...

Students study the different types of metals.  In this investigative lesson students watch a demonstration on the effects of temperature on atoms and take a tour through baone matter.

In this science quiz worksheet, students complete a set of 20 true or false questions covering a variety of general science topics. An answer key is included.