In this science worksheet, students identify and locate vocabulary words related to various sciences. There are 20 words located in the word search.

In this chemistry worksheet, students study the composition of the elements in the periodic table using an interactive website.

Middle schoolers examine physical change with different temperature and solvents. In this elements and compounds lesson, students conduct experiments to discover what happens to the mass of a substance when is undergoes a physical change.

Students list the names and symbols of common elements. They describe the present model of the atom. Students describe how electrons are arranged in an atom. They identify quarks as particles of matter that make up protons and...

In this periodic table worksheet, students use the periodic table to complete the chart with the given elements. Students fill in the atomic number, atomic mass number, protons, neutrons, and electrons.

In this making compounds worksheet, students are given 5 atoms and they draw a diagram of each. They identify the atom to the right of each and name the compound they make. Students define the terms compound, molecule and chemical...

Students create an atomic model using a computer program. In this technology lesson plan, students identify the difference between radius and diameter. They create circular patterns and spheres based on certain specifications.

Discover the change of the seasons by modeling the Earth-Sun system. Learners model the orbit of the Earth around the sun and explore how and why the patterns of winter and summer occur.

Your young chemists will find these slides very informative. Groups and periods of the periodic table are labeled and described according to the charge. Comprehensive explanations of physical and chemical properties and how they relate...

When breaking down the details of the periodic table of elements, this presentation will explain special characteristics for each of the noble gases. The annotations are quite elementary, so this can easily be used in an introductory...

In this compounds worksheet, students write the polyatomic ionic compound formulas or the compound names. This worksheet has 29 problems to solve.

In this elements instructional activity, students review the Bohr model and define negative and positive subatomic particles. Students compare molecules and compounds. This instructional activity has 11 short answer questions and 4...

Students practice drawing the atomic structure of several different elements. They complete critical thinking questions about atomic structure and compare the atomic mass units for different ions and isotopes of an element.

In this atoms worksheet, students determine an atoms based on its protons, and neutrons. Students determine the electron levels for the oxygen atom. This worksheet has 1 multiple choice, 4 fill in the blank, and 13 short answer questions.

Students identify and describe the building blocks that make up an atom. They also compare the ages of atoms to the ages of the materials they compose,as well as, give examples that illustrate the small size of atoms.

In this earth and beyond worksheet, learners answer short answer questions about the atmosphere, the chemical compounds in Earth's atmosphere. Students visit different websites to conduct research of the discoveries of the scientist who...

Students determine the average mass of a new element using masses from three isotopes. In this chemistry lesson, students explain what an isotope is. They discuss their importance and uses.

In this matter worksheet, students watch a movie and then compare the differences between compounds and mixtures. This worksheet has 16 fill in the blank questions.

In this compounds worksheet, students compare separating elements of a compound and substances in a mixture. Students review melting and boiling point. This worksheet has 1 fill in the blank and 5 short answer questions.

In this equations worksheet, students identify simple reactions as direct combination, decomposition, single replacement, or double replacement. This worksheet has 20 fill in the blank questions.

Communicate chemistry clearly with a concise guide to writing chemical equations. It covers everything from the parts of a chemical equation to the different types of reactions that budding chemists may encounter.

A full-fledged practice final prepares pupils for their general chemistry final exam. If they complete these 57 multiple-choice questions correctly, they will be well-prepared. Note: even though the questions are multiple-choice, there...

You may want to make a few changes before sharing this slide show with your chemistry class. For one, remove the bright blue swirly background that makes the black font hard to read. Ionic bonds are described with the use of an electron...

This compact collection of slides explains the history and use of the mole unit. Relative atomic mass, as John Dalton understood it, is explained. Avogadro's number is also introduced. The mole, or the unit for the amount of a substance,...