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We found 579 resources with the concept molecules
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STEM on Station
The STEM on Station series offers students the next best thing to being astronauts on the International Space State. The 18 NASA videos in this collection bring viewers into the space station to observe how these teacher scientists live,...
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Chemistry Simulations from PhET
Bring your science classroom into the 21st century with this collection of digital simulations. From an introduction to the states of matter to balancing chemical equations and investigating radioactive decay, these engaging interactives...
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Physical Science: Properties of Matter
Looking for a way to engage elementary and middle school learners during a unit on properties of matter? Add these fun and informative videos from Crash Course Kids to your lesson plans. Each video in the playlist features entertaining...
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Changes All Around Us
Whoa! What just happened? That's right, change is everywhere. But what exactly is changing? Middle school science sleuths get to the bottom of the changes matter can experience. Through simple demonstrations, engaging videos, and an...
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To Measure its Mass or Volume?
Atoms, elements, and molecules, oh my! Teaching the fundamentals of chemistry to curious sixth graders has never been easier to accomplish. Here is a resource that pulls together everything needed to get them off to a good start,...
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Microwaves
How does a microwave heat up food when the inside of the microwave doesn't get hot like the inside of an oven does? The simulation directly answers this question. Scholars adjust the amplitude and frequency of a microwave to view the...
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Forming a Precipitate
Can you mix two liquids to make a solid that is insoluble? Yes, you can, and pupils see this as the lesson uses more than one combination of liquids to form a solid. Through two teacher demonstrations and a hands-on activity, scholars...
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Temperature Affects Density
Different substances can have different densities, but can the same substance have different densities? Lesson explores the effect of temperature on the density of water. Extension idea connects the concept of how melting ice in lakes...
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Density of Water
We know solids have a density we can measure, but what about liquids? Lesson explores this concept and allows scholars to explore the relationship between volume and density. Graphing and analysis questions round out the activity.
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Kinetic Molecular Theory: What Can a Spray Can Teach Us About Chemistry?
Ever left a can in a hot car and had it explode? Scholars complete an online simulation in which they choose the dependent and independent variables related to kinetic molecular theory. Then after a brief lecture, pupils complete an...
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Heat, Temperature, and Conduction
How does heat move from one item to another, even when the items are in different states of matter? Pupils experiment with adding washers to hot water and adding hot washers to room temperature water to observe the heat transfer.
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Molecule Shapes
The shape of a molecule is determined by the arrangement of atoms around the central atom and lone pairs of electrons. Scholars build models of molecules using single, double, and triple bonds. They can then see real molecules bond...
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Build a Molecule
How many different molecules can you build? In a simulation, learners make molecules from given atoms. There are numerous collections from which to build three to five molecules from given kits of atoms. Scholars can also view their...
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Atoms and Molecules
A science lesson begins with a presentation and discussion about atoms and molecules. Then scholars divide into groups to complete hands-on activities. It also offers an additional extension about elements and orbitals.
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Matter and Energy: Equations and Formulas
Using simple materials, an informative activity demonstrates the Law of Conservation of Matter and explains how to balance chemical equations. Young chemists perform experiments, analyze reactions, and balance chemical equations on their...
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Endothermic and Exothermic Reactions
Equip your chemistry class with the tools to properly understand endothermic and exothermic reactions. Young chemists collect, analyze, and graph data to determine how the Law of Conservation of Matter is applied to chemical composition...
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How to Spot a Counterfeit Bill
Did you know that at any one moment in the United States, millions of dollars in circulation could actually be fake? Build commerce and chemistry acumen, and discover the tools needed to spot counterfeit currency.
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How Polarity Makes Water Behave Strangely
Water is common? Not really! Learn how the polarity of the water molecule gives it tremendous properties that make is quite unique in the universe. Learners will understand surface tension, adhesion, and cohesion, as well as why these...
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2007 U.S. National Chemistry Olympiad Local Section Exam
Sixty multiple choice questions cover the entire gamut of chemistry concepts. This is the local section of the U.S. National Chemistry Olympiad, where your chemistry candidates take a shot at entering the national competition. They...
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The Influence of Initiator Concentration on the Molecular Weight of Polystyrene
This in-depth organic chemistry lab walks learners through an investigation of the effect of initiator concentration on the resulting molecular weight of polystyrene. It is important that you use this lesson with experienced chemistry...
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Condensation Polymerization: Preparation of Two Types of Polyesters
College-level or AP chemists use phthalic anhydride to synthesize two different polyesters, one linear and one cross-linked in structure. A detailed materials list and well-written procedures are provided on a lab sheet. Learners write...
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Review of Ionic and Covalent Compounds and Transitioning from Ionic to Covalent Compounds
Here is a unique assigment: compare and contrast ionic and covalent compounds in an extensive data table and then analyze Lewis dot structures in antoher. Three columns are to befilled in: "characteristic or feature," "applies to ionic...
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Review of Chemical Bonding
This is an online exercise in which chemistry learners answer a series of multiple choice questions about bonding. Topics addressed include ionic and covalent bonds, electronegativity, ions, valence electrons, resonance structure, and...
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Who Took Jerell's iPod? ~ An Organic Compound Mystery
Within the setting of a crime scene investigation, biochemistry beginners analyze organic compounds as a means of determining "Who dunnit." They use a brown paper test for lipids, glucose test strips and iodine to identify carbohydrates,...