For this chemistry calculations review worksheet, students solve 33 review problems about titrations, precipitates, pressure and volume of gases, combustion reactions, heat of combustion, molar concentrations and molecular formulas.

In this balancing equations worksheet, students determine the type of reaction and write the balanced equation. Students read the word description and write the symbol of each element using the periodic table.

Students explore the definition of matter.  In exploring matter lesson students get into groups and navigate the Internet to answer questions. 

Middle schoolers discover the best practical shielding material when dealing with radioactive substances. They draw conclusions based on availability of materials, price, and best shielding properties.

Students study the importance of alkaline earth metals.  For this metals lesson students research the minerals that are essential for human health. 

Eighth graders define a planet by the orbit around the sun, have a large enough gravitational force to hold a sphere shape and needs to clear the neighboorhood of it own orbital zone. They describe comets, meteoroids, meteor, meteorites...

Students create a polymer ball in the lab. In this chemistry lesson, students identify the different properties of the polymer they created. They explain what type of chemical reaction took place.

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 examine pollutants and investigate air pollution emitted by a car in a year.  In this air pollution lesson students complete an activity and make calculations. 

In this making atoms science worksheet, students read about the atomic number of protons, finding the number of neurons, and how electrons function before they complete the atom board graphic organizer and respond to 4 short answer...

Fifth graders explore changes in nature. They identify chemical and physical changes in the water cycle, carbon cycle, and weathering. Students explore a chemical or physical change based on a chemical formula. They examine the effects...

Seventh graders, in groups, complete an Isotopes model and notice that atomic masses are decimal numbers. These masses are an average of all the isotopes of that element.

In this metal ion instructional activity, students follow the steps to determine the oxidation states of the metals in each of the given compounds. Students complete 10 problems.

Students conduct an experiment to test the reactivity of metals and non-metals. In this chemistry instructional activity students test metals with different chemicals to observe the reaction. The results are used to categorize the metals.

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...

In this creating atoms worksheet, students follow directions by creating atoms out of cotton balls, beads, and pipe cleaners. Students then answer 2 questions.

For this chemistry worksheet, students identify and write how many significant figures they would use for each problem. Then they round the answers to the appropriate number of significant figures. Finally, students calculate the mass of...

Students discuss metalloids, their use as semiconductors, and their impact on the computer industry. They work in groups to create a visual timeline showing the evolution of the computer.

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

For this AP Chemistry worksheet, students apply concepts of electron configuration to accurately answer the questions provided. Students also draw Lewis structures of the given elements. Students estimate the enthalpy of formation as...

Students are assigned to groups, and determine each member's role in the group. They will design an experiment to determine a way to produce the three primary and five secondary colors. Students discuss color and mood. They listen to a...

In this atoms worksheet, students explore the different types of bonds, name compounds, and determine charges of molecules. This worksheet has 8 true or false, 9 fill in the blank, and 5 short answer questions.

How can one easily classify metals, nonmetals, and metalloids? Pupils answer this question as they experiment with unknown substances and perform tests on conductivity, brittleness, and malleability to determine...

Eighth graders sort items as they are shown one at a time by the teacher. They attempt to identify the one physical trait the teacher is looking for (metal and not metal). After several objects have been shown and placed in groups, the...