For this chemistry worksheet, students are introduced to the periodic table of elements. They find the answers to 13 questions about the periodic table.

Learners review properties of materials and define what pH tells them about matter.  In this pH levels lesson, students determine whether materials are acids or bases using indicator substances.

In this introduction to chemistry worksheet, students complete 48 problem solving and fill in the blank questions. They convert measurements from one unit to another.

In this chemistry worksheet, students solve 47 problems involving measurement conversions from one unit to another. They explain how values should be reported from measurements.

In this chemistry activity, students answer 73 fill in the blanks and multiple choice questions on the structure of matter and properties of elements in the periodic table.

In this farmer activity, students make a spinning wheel to describe the jobs of a farmer. Students create 1 wheel with 8 different jobs for a farmer.

Students explain how Daniell cells work. In this electrochemistry lesson, students conduct a variety of experiments to explore the different types of cells. They create a model of Daniell cell.

Students explore how scientists discover photosynthesis. In this biology lesson, students identify the basic requirements for photosynthesis to happen. They recreate past scientists' experiments and record their observations.

Students evaluate different cosmetic products. For this chemistry lesson, students determine the physical and chemical components of their samples. They perform various test such as pH, viscosity, conductivity and formulate a conclusion...

Students investigate which diaper is the most absorbent. In this chemistry lesson, students calculate how much water is absorbed by diapers. They identify an unknown powder based on physical and chemical properties.

Students conduct a series of experiments to explore Graham's law. In this chemistry lesson, students differentiate effusion and diffusion. They perform calculations using Boyle's, Henry's, Charles' and Graham's Laws.

Students examine the spectra of light sources that have similar colors.  In this light lesson students complete an activity using various lights in the classroom and discuss the colors and the heat generated. 

Sixth graders observe different microorganisms under the microscope. In this biology lesson, 6th graders draw and describe the samples they see. They study the root nodules of plants and explain how the plants benefit from those bacteria.

Students demonstrate the greenhouse effect. They recognize that relatively small changes to our environment can stimulate significant climate changes. They determine that the "scientific method" is a process of testing hypotheses and...

Students study the concepts of polymerization and the function of crosslinkage.  In this polymer lesson students complete a lab activity and write down their observations. 

In this chemical equations worksheet, students review chemical changes, define catalysts and coefficients, and review the five general types of reactions. This worksheet has 12 fill in the blank and 42 short answer questions.

In this influential scientists worksheet, students read the definitions of 19 science professions. From 4 choices, students choose the correct name of the job that fits the definition. Example: studies birds (ornithologist).

In this fertilizer worksheet, students read background information about how farmers began using nitrogen compounds as fertilizer and how Fritz Haber developed an efficient process. Based on their reading, students complete 10 short...

Learners explain the basic concepts of polymerization. Students participate in a lab to create a crude preparation of carboxyl esterase and test its effectiveness in reducing the residual monomer in an emulsion such as paint.

Twelfth graders research various sources to obtain the information and critically analyze the relevance to specific modern medicines which were discovered by studying natural remedies used by ethnic groups for specific ailments.

In this vocabulary instructional activity, students match ten words (places in a town) with their related word list. Students also locate one word in each list that does not relate to the others.

Students use models to visualize molecular structures. Students read about Lewis dot structures, hybridization, and formal charge. Then students build and draw the molecules and ions given. Students complete 11 pre-lab questions and 4...

In this reactions worksheet, students explain why all reactions have an activation energy using their understanding of collision theory. This worksheet has 4 short answer questions.