Curated OER
Water:Properties, Chapter 3
Hydrogen bonds, and polarity are described in this PowerPoint, and the reasons for tension and cohesion associated with water. The states of water under certain conditions are explained with information about the changes in density and...
Sunset Lake Software
Molecules
View molecular structure for various compounds with three-dimensional color images.
Science-Class.net
Rock Candy Crystals
Candy is one of my favorite words, and it's an even better word when it relates to science. Yes, candy science can happen when you grow rock candy crystals with your class. The entire process for growing these edible wonders of nature is...
Curated OER
Empirical Formula: From Percentage to Formula
Starting with definitions of empirical and molecular formulas, this slide show guides pupils through the ways to calculate and produce chemical formulas as percentages and molar ratios. A number of examples are given for viewers to try...
Curated OER
Chemistry
As the title implies, this PowerPoint defines and illustrates the basic terms involved with describing matter. Phases of matter, atomic structure, and the different categories of compounds are included. Slides are simple and uncluttered....
Curated OER
A Whiff of Danger
Public health trainees read and write a summary of the article, "A Whiff of Danger". The article is not available through the link, but can be found on the National Center for Biotechnology Information website. After summarizing,...
Curated OER
Temperature Changes Everything
Middle school chemists visit interactive websites in order to discover what happens to molecular motion when heat is added to matter. They conduct an experiment that demonstrates the expansion of matter with the addition of heat. A lab...
Curated OER
Properties of Metals
Fifth graders study the properties of metals and use them to identify different properties. In this metal properties instructional activity students complete a demonstration .
Curated OER
Empirical and Molecular Formulas
In this compounds worksheet, students write the empirical formulas or the molecular formula for the given chemical compounds. This worksheet has 20 problems to solve.
Curated OER
Mighty Molecules
Students examine a PowerPoint production on molecules. Then they construct their own molecule and define what an atom, molecule, and matter is. They make a H2, HCI, and an H2O molecule. Finally, a drawing to accompany the actual model is...
Curated OER
Energy and Stoichiometry
In this stoichiometry activity, students calculate the amount of heat energy released in combustion equations. This activity has 4 problems to solve.
Curated OER
Binary Compounds
Binary compounds are explained with the periodic table, atomic charges, and examples. Viewers are taught to name binary compounds and then are presented with a chart of cations and ions. Finally, they see a few photos of forms of silicon...
Curated OER
Graham's Law
In this gas laws learning exercise, students apply Graham's Law by completing 6 problems finding the velocity and molecular mass of gases.
Curated OER
Percentage Composition and Empirical & Molecular Formula
In this compounds worksheet, students determine the empirical and molecular formulas for given compounds. This worksheet has 10 problems to solve.
Curated OER
Percentage Composition
In this chemical compounds worksheet, students determine the empirical formula or the molecular formula for the compounds given. Students calculate percent composition. This worksheet has 10 problems to solve.
Curated OER
Chemical Quantities
Prepare your chemistry charges for stoichiometry with this PowerPoint. The objective is to be able to calculate molar mass for different compounds. Beginning with the foundational definition of moles and moving through atomic and...
Curated OER
Chemistry 115 Practice Exam 3
Radioactive decay, pH, properties of elements, organic compounds, and stoichiometry are all touched upon through this practice chemistry exam. It always helps learners to take a practice test in preparation for the actual exam. This...
Curated OER
Lattice Energy
A few basic facts about lattice energy are listed at the top of the page, including the formula used for calculations. Two charts follow: one for lattice energy and another for ion sizes. There is no work to do on this handout, but it...
Curated OER
Dissolved Gases in Water
Using different types of water, earth science explorers set out to prove the ocean's ability to absorb greenhouse gases. They shake, heat, and freeze the water samples to examine gas content. This lesson is useful during a unit...
Curated OER
VSEPR Theory: Valence Shell Electron Pair Repulsion Theory
In this atoms worksheet, students complete a graphic organizer by filling in the number of atoms, number of electron pairs, number of long pairs, bond angle, and molecular shape.
Curated OER
Matter and Heat
Students examine how heating causes substances to expand, and cooling cause it to contract. They investigate the states of matter.
Curated OER
Highs And Lows
Students experiment to examine high and low pressure areas. They investigate why a high pressure area seeks a low pressure area.
Curated OER
The Great Animal Systems Challenge!
Advanced placement biology aces list systems that have evolved over time, adaptations, and structure-function relationships. The resource requires plenty of writing to answer these questions, so allow a few days for them to complete the...
Curated OER
Organic Chemistry Practice Test
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...