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- Grade Range
- 9th - 12th
- Rating
Students, in groups, design a procedure to calculate the mass of gas molecules in the classroom by measuring the volume of the classroom and researching the density of air. They apply changes in air density with altitude and effects on a jet engine. Full Review »
- Grade Range
- 7th
- Rating
Students use an assortment of materials to design and conduct experiments demonstrating diffusion. Full Review »
- Grade Range
- 3rd - 5th
- Rating
Students explore how terms surface tension, cohesion, and adhesion are related to soap bubbles. They hypothesize the outcome of experiments, analyze experimental data and conditions, and relate polarity of water molecules to the behavior of soaps. Full Review »
- Grade Range
- 9th
- Rating
Students discuss the phenomenological properties of water. They explore and demonstrate solubility of liquids. They make a water molecule combining the class molecules together forming water. Full Review »
- Grade Range
- 8th - 10th
- Rating
Students write proper laboratory reports as they prepare fragrant ester molecules. They develop the skill of naming esters. Full Review »
- Grade Range
- 5th
- Rating
Students are provided with the opportunity to explore and learn about atoms and molecules, the building blocks of matter. They will observe ice melting, and view a video that gives information about the phases of matter. They then will create a writing assignment from the perspective of an ice cube. Full Review »
- Grade Range
- 7th
- Rating
Students identify different elements in various products that people consume by reading the ingredients list on the items. They predict which elements are found in each chosen molecule (ingredient). This will raise awareness of the different elements found in the foods we eat Full Review »
- Grade Range
- 6th - 8th
- Rating
Students draw Lewis dot diagrams. They represent geometry of the molecule using diagrams and ball-and-stick models. Students indicate polarity of the molecule. Students identify hybridization of central atoms They fill out the first four columns of the lab worksheet for a pre-lab activity (for homework the night before). Students complete the worksheet and build each molecule during class. Full Review »
- Grade Range
- 9th - 12th
- Rating
Students examine the idea of a nanometer using metric rulers and sugar cubes. They measure the edge of a sugar cube before listening as the teacher explains that one sugar molecule is equal to approximately one nanometer or one billionth of a meter. Finally, they calculate how many sugar molecules are along the edge of one sugar cube and share their answers in a class discussion about how small a nanometer is. Full Review »
- Grade Range
- 10th - 12th
- Rating
Students are asked what do they recall about electrical conductivity. They complete the Metal vs. Nonmental Lab. Students circulate through the lab stations with specified elements, answering questions such as "color, luster, brittleness, magnetism, malleability, and electrical conductor." They complete an activity Like vs. Non-Like, students decide groups of pictures are alike or not alike. Full Review »
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