Based on a set of criteria, students will evaluate the quality of pecans.1. Bring a gram scale and papershell pecans. Provide five pecans for each student. 2. Divide the class into groups of five and provide each member with five pecans....

Fourth graders identify eleven white substances that are commonly found in the household. They, in pairs, perform experiments on a variety of substances, and must identify them based on the reactions they observe.

In this digestive system learning exercise, students answer a list of true/ false questions. The students answer questions based on their knowledge of each process of the digestive system.

Students investigate the corrosion of different materials in the lab. In this chemistry lesson, students construct a bridge considering different bridge designs. At the end of the lesson, they play the role of scientists and engineers...

In this bacteria worksheet, students read several elements of bacterium cells, their diet, types, locations, reproduction, resting stages, effects of, and classification. Students also study a cross-section of bacterium cells.

Students investigate major pigments which occur naturally in fruits and vegetables, and to use them to dye a number of items. They study the effects of pH on anthocyanin on pigments.

Students explore and explain how mutations in the DNA sequence of a gene may be silent or result in phenotypic change in an organism and in its offspring. They analyze how evolution and biodiversity are the result of genetic changes that...

Blast off! An engaging hands-on activity has pupils create rockets powered by Alka-Seltzer. They learn about the physics behind these rockets throughout the process.

In this replication of DNA worksheet, students match the correct definition of DNA replication to the terms given. Students also complete given statements with the correct term in the space provided.

Students pretend they are each genetic engineers with a test tube of unknown DNA (PCR'd) possibly taken from blood cells of someone with a genetic condition.

Students apply measurement skills using the metric system. They explain the process of isolating DNA from other cell contents. They apply knowledge of cell structure to explain the process of isolating DNA.

In this chemistry worksheet, students take an exam that presents the concept of maintaining the ph balance. This can become a formal assessment.

As the title implies, this is a list of vocabulary terms relating to water monitoring. If your ecology class is learning about how to test water quality, this will be an appropriate reference sheet for them. As a bonus, if you live in...

In this chemistry quiz worksheet, students complete a set of 10 multiple choice questions covering a variety of chemistry concepts.

For this household chemicals instructional activity, students fill in 10 blanks with answers about testing household materials. Students must also fill out a data table about what color each material turns when placed in cabbage juice....

Laughter may be the best medicine, but aspirin is also important. Young chemists analyze aspirin tablets using titration in this lab experiment. They then repeat the entire experiment using a different aspirin brand. 

For this elements worksheet, students review the most common elements found in living things. Students color in two pictures with the percentages of the elements found in that living thing.

In this chemistry worksheet, students write the structures for the compounds listed at the top of the sheet. Then they name the compounds whose structures are illustrated. Students also write the mechanism for the reaction of methyl...

Practice naming chemical compounds or stating the formula when given the name. Discover how well you have mastered these skills either by time or percentage correct.

Students consider the role of industry on the American landscape from a variety of perspectives. They investigate a simulated case study. They investigate a chemical spill catastrophe. Students write an informative pamphlet to assist...

Explore genetically modified foods through various experiments. In this biology lesson, students discuss the safety issues related to GMF's. They conduct a PCR analysis to identify the presence of genetic modification.

Students observe what occurs when Alka Seltzer tablets are added to water. They explain why water stays in the jar when it is above the surface of the water. Pupils test for the presence of carbon dioxide by conduting the match test.

In this calorimetry worksheet, students determine the specific heat of an unknown liquid. Students calculate the change in enthalpy for given reactions. This worksheet has 20 problems to solve.