Students estimate the size of a molecule of oleic acid. They conduct an experiment using chalk dust, water, and oleic acid, solve various calculations, and answer discussion questions.

Learners separate a mixture of pigments with ion exchange chromatography and predict whether the ion-exchange matrix is positively or negatively charged based on the type of pigment bonded to the matrix.

In this molecular geometry and VSEPR worksheet, students find bond angles, hybridization, determine polarity and draw orbital box diagrams of molecules. They determine molecular geometry and bond angles of given molecules and determine...

Students are given maps depicting two or more air masses and they then categorize bodies of air by temperature and moisture characteristics. They recognize large regions of similar type air. Students are given a map of air temperatures...

Students explore permafrost.  In this 3 states of matter lesson, students identify characteristics of solids and liquids.  Students observe water and soil melting and freezing at various temperatures.  Students make...

Students explore the greenhouse effect and what it does to the environment. They discuss if and how human behavior contributes to global warming and test natural materials for carbon content.

Students explore solubility of gases in water, Henry's Law, LeChatelier's Principal, and supersaturation of gases in water.

This interesting science lesson is about the compass. Students make a compass out of a magnet, sewing needle, cork, and a glass dish. The lesson includes both a pre and post-test for the students to take, and some very good links to...

Twelve pages of text tells viewers about the physical properties and naming procedures for alcohols and ethers. A page is also dedicated to briefly describing phenols. This straightforward chemistry presentation comes to you as a PDF...

Seventh graders observe and test for the presence of carbon dioxide gas. They compare concentrations of carbon dioxide gas and conclude high concentrations of carbon dioxide gas are unhealthy for human beings.

Framed as an organic chemistry practice test, this resource could be used for a variety of purposes. Composed of 15 questions about organic compounds such as isomers, alkynes, alkenes and amines, and other topics related to organic...

Kids in grade four through eight research Inuit artists and art styles. After a critical look at Inuit sculpture, they use those forms for inspiration as they create one of their own. They practice using the subtractive method of...

In this chemistry worksheet, learners complete the reactions by drawing structures of major products, indicating important minor products. They also write the structure of the product and describe the stereo chemistry of the product.

Students make boats and race them. In this physics lesson, students investigate surface tension, molecules, and cohesion by competing in a class race with their boats. Students experiment with liquid soap to see how much will make their...

Students, working independently and in groups, apply the distance formula to practical situations. After solving various problems, students in pairs design coordinate planes from the school blue print to measure the distance from the...

Students define culture and explore elements that are part of the custom or culture of a place.  In this holiday lesson, students identify the cultures they participate in.  Students identify the differences in people's...

In this biotic and abiotic factors worksheet, students complete 20 various types of questions related to biotic and abiotic factors. First, they write the vocabulary word that best completes the sentence. Then, students state an example...

Students examine our society's fascination with Mars.  In this journalism lesson students read an article that outlines the various ways Mars has captured our imagination and are given topics for discussion and a chart to...

Alia-Seltzer tablets cause a very obvious chemical change, but do they also cause a temperature change? Each class member explores hot/cold packs, discussing how these temperature changes occur. Groups then design and carry out their own...

In this solvents pre-lab activity, students describe the difference between a polar and non-polar solvent and also the dangers associated with hexanes and iodine. This activity has 12 short answer questions.

Students conduct an experiment.  In this salinity lesson plan, students learn about sea ice, why it is important and how changing amounts can affect the sea.  Students conduct an experiment to find out the effects of salinity...

Students research and prepare an almanac on the Arctic. They examine the laws that attempt to provide jurisdiction over this area and consider how these laws be affected if geography of the Arctic continues to change due to global warming.

Students 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 polarity,...

Students roleplay to review nerve communication and the parts of the neuron. Each student represents a different part of a neuron and as parts become polarized and depolarized they act it out. A surprise occurs at the synaptic knob as...