Learners investigate adhesion, cohesion and surface tension. In this molecular forces lesson plan, students observe multiple demonstrations that show surface tension, the attraction of water molecules to each other and the ability of...

High schoolers observe demonstrations of exothermic and endothermic reactions and determine the changes that take place in a chemical reaction. Students observe four demonstrations showing entropy, attraction of molecules due to...

Students investigate the energy released by a peanut and a piece of a walnut. In this catabolism and calories lesson plan, students burn a peanut and a piece of a walnut and measure the temperature of the water before burning and after...

Students investigate esters, make an ester and detect esters in natural foods and plants. For this esters lesson plan, students detect smells of hidden objects, produce an ester using peas, brown sugar and apple and demonstrate how to...

Students investigate the acidity of foods using titration. In this acidity of foods lesson plan, students find the acid concentration of 4 fruit juices by titrating them each with sodium hydroxide and an indicator to find the end point. ...

Students experiment to determine which bottle of soda has more dissolved carbon dioxide. In this solutions instructional activity, students use the scientific method to test the amount of carbon dioxide in bottles of soda. They identify...

In this regulation of the human heart rate worksheet, students learn to measure their heart rate and design an experiment to test for the affects of a stimulus on the heart rate.

In this cost o research worksheet, students calculate the costs to pay professors to do research, they determine the costs for equipment needed for research and they calculate the amount of money needed to support research through...

In this chemistry in action worksheet, students read about sulphuric acid, the use of metals, the production of titanium and the detection of chemical elements and compounds. Students are given 8 statements about what they should...

Students create experiments in class based on the erosion of Earth. In this erosion lesson plan, students perform a lab in class replicating the effects of erosion. Students finally draw their own conclusions based on the research...

Students examine causes and treatment options for cholera. In this biology lesson, students model the osmotic basis of cholera using  dialysis tubes. Students propose treatments for hypothetical patient.

High schoolers design bionic organs or limbs. For this medical technology lesson, students view a video about artificial organs and prosthetic limbs. They research the medical technology behind these advances and work to design a organ...

In this chemical reactions instructional activity, high schoolers answer 20 multiple choice questions about chemical equations, chemical formulas, oxidation and reduction reactions and acids, bases and salts.

In this measurement worksheet, students read about accuracy of measurements as compared to the precision of measurements. Students answer four precision problems and solve four accuracy problems.

In this milk and monarch butterfly mania journal entry worksheet, students write a scientific journal entry about the milkweed plant, using the information from another linked website.  This worksheet includes many links to other...

Third graders explore WWII by analyzing technological advances. In this invention lesson, 3rd graders discuss the use of the Enigma machine which decoded private German messages that communicated with U-boats. Students utilize a timeline...

Students examine plate tectonics and the causative effect of earthquakes.  In this tectonics lesson students differentiate between the types of energy waves that cause earthquakes and tsunamis and how waves travel at different...

Students determine the types of natural selection and variation that exists in a population, using beans.

Learners perform an experiment in which they test foods for the presence of proteins, carbohydrates, and lipids. They identify the molecular structure of each type of biomolecule and then discuss how biomolecules relate to nutrition and...

Students explore states of matter by concentrating on the ways in which water moves between its solid, liquid, and gaseous states in a variety of Earth environments familiar to the students. Students represent these movements in dance.

Ninth graders complete an experiment to determine the pH values of a variety of common household substances. They use red cabbage to find the indicator colors of the pH range. They complete a data table that includes a prediction and...

A possible option for infertile couples is in-vitro fertilization and implantation. Through this two-part lesson plan, the class learns about this process by teacher lecture and internet research. A case study is given to read as a...

Students explain how cells reproduce. In this biology activity, students explain the different stages of the cell cycle. They calculate the number of new cells produced.

Five pages take biologists on a generalized survey of the origin of life. Queries are made regarding theories of how life developed, ancient Earth conditions, and the ever-changing field of taxonomy. The experiments of different...