If most gases are invisible, how do we know so much about them? Pupils practice associating the name, formula, testing method, and outcome for four common gases using an interactive. Users build on the content of their first puzzles to...

If tap water is more acidic than ocean water, why are we so concerned about ocean acidification? The third installment of a 23-part NOAA Enrichment in Marine sciences and Oceanography (NEMO) program focuses on carbon dioxide levels in...

Binary compounds are explained with the periodic table, atomic charges, and examples. Viewers are taught to name binary compounds and then are presented with a chart of cations and ions. Finally, they see a few photos of forms of silicon...

In this chemistry worksheet, students classify each chemical compound as a ketone, amine, aldehyde, or ether. Students also write a condensed formula and classification for the given organic products.

For this chemistry worksheet, students sketch several diagrams of different peptide chains. Students sketch diagrams of galactose and fructose.

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 chemical families worksheet, students answer 8 multiple choice questions including identifying characteristics of families in the periodic table and answering specifics about each family.

High schoolers 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 worksheet, students write short answers for questions on planets, oceans, elements, and more. Students complete 20 questions.

In this chemistry worksheet, students describe an atom, its parts, the charges of these parts, and atoms life functions. Then they explain what the octet rule states for the placements of electrons around the nucleus of an atom. Students...

Students research the history and uses of the different elements in the periodic table. In this chemistry lesson, students explain the significance of an element's valence electrons. They create a multimedia presentation of an element...

High schoolers identify the elements that belong to the halogen family on the periodic table. In this chemistry lesson, students describe the common characteristics of elements in this group. They research about hydrochloric acid's...

High schoolers investigate the structure of the atom and its composition. In this atom structure lesson, students find the area of cut out circles and drop pens into the circles. They count the number of marks in the circles and relate...

In this atomic trend worksheet, students answer questions about trends in the periodic table such as ionization energy, atomic radii and electronegativity. They are given tables of elements and ions and they must identify which ones have...

In this atom worksheet, students fill in three charts using the periodic table to identify atomic number, atomic mass, number of subatomic particles and the element's symbols. Students draw an atom and it's subatomic particles as well as...

Eighth graders explain what makes up matter.  In this atoms lesson students define an atom and what its components are and identify properties of elements. 

Fourth graders paricipate in a demonstration about bond strengths and bond types.

In this chemistry worksheet, students learn about matter, including atoms, electrons, protons, neutrons, compounds and chemical properties. They use this information to answer the 10 questions on the worksheet. The answers are on the...

Fifth graders investigate the nature of matter and of the scientific processes associated with them in this series of lessons.

Young scholars describe how elements are arranged in the periodic table. They compare metals, nonmetals, and metalloids based on their properties and on their location in the periodic table. Finally, students identify and describe the...

Students identify the concept of an element and work with an idea that all of the millions of substances on the earth are various combinations of only 8 elements. They work with the Periodic Table of the Elements and symbols of the...

In this chapters 2 and 3 science guided reading worksheet, students read corresponding material pertaining chemical reactions and the periodic chart answering 40 fill in the blank questions.

Students explain the mole concept and use this concept to prepare chemical solutions of particular molarities.

In this chemical compounds worksheet, students determine is compounds will act as acids or bases when added to water. Students compare basic, acidic, and amphoteric anhydrides. This worksheet has 15 fill in the blank, 2 short answer...