In this review of general science worksheet, students classify examples of matter as mixtures or substances, homogeneous or heterogeneous mixtures, or elements or compounds. Students also convert several examples using the standard...

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

Seventh graders distinguish between physical and chemical changes in both natural and technological settings. They identify the reactants and products for a given chemical reaction. they then write simple chemical equations given the...

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...

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

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

Second graders participate in a three part lesson plan in which they identify and describe forms of moisture in the environment. Part one of the lesson plan involves the three stages of the water cycle, part two focuses on creating...

Ninth graders examine the Periodic Table. In this element activity, 9th graders observe the chemical reactivity of elements. They graph the properties and discuss the trend in the group and period of elements. The students use math to...

In this science worksheet, students read 15 science definitions and determine which science vocabulary word fits  each definition. Students write their answers in the box that precedes each definition.

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

In this atom learning exercise, students read about the model of the atom developed by Neils Bohr. Students complete 2 short answer questions based on what they read.

In this physics worksheet, students review vocabulary terms and key equations associated with the quantum mechanical model. Students apply the quantum theory to explain the photoelectric effect. This worksheet has 5 true or false, 12...

Starting with a recap of atomic structure, these slides continue by comparing different isotopes of uranium and explaining which are stable and which have a decay period and emit alpha or beta particles. Gamma decay is just mentioned on...

Learners explore the unique properties of alkali metals. In this chemistry instructional activity, students create a mural of fireworks display after researching its different element components. They write a brief description about an...

In this science worksheet, students choose the multiple choice science term that best matches the 15 definitions stated. Students circle their answers.

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.

Tenth graders distinguish between chemical and physical properties and changes in matter when given specific examples. They view a video of sports activities. Students chose their favorite sport and design an experiment to improve sports...

Students study energy generation by the Sun, which involves atoms and nuclei.

Students test water to determine the dissolved oxygen content while displaying the proper use of testing instruments while visiting water testing sites. They determine if the amount of dissolved oxygen is appropriate for the tested...

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

For this balancing chemical reactions worksheet, high schoolers balance equations, identify electrons gained or lost in atoms and identify the number of atoms of each element for the reactants and products in equations. They also answer...

Students explain how elements are arranged in the periodic table. In this chemistry instructional activity, students group the eggs according to a certain pattern. They compare this to elements in the periodic table.   

Students identify the different periodic trends. In this chemistry lesson, students discuss how elements are arranged in the periodic table. They apply what they have learned in a Jeopardy team game.

An extremely thorough presentation walks new chemists through the basics of matter. There really isn't a unifying theme, however So many topics are covered: forces, elements, atomic structure, chemical properties, compounds, quarks,...