Curated OER
Bond Energies
Before completing this learning exercise, chemists are supposed read a portion of their textbook. Assign the chapter on bond energies, endothermic, and exothermic reactions. Then have your class answer the questions and fill in the data...
Curated OER
Estimating Heat Changes during Reactions Using Bond Energies
For advanced chemists, this worksheet examines heat change during chemcial reactions. Alkanes are examined first. Learners calculate the energy released or needed during a reaction.
Concord Consortium
Comparing Potential Energy of a Bond
Have you reached your breaking point in looking for great resources that illustrate bond energy? Demonstrate the potential energy changes that occur when polar and non-polar bonds are broken with a stimulating simulation. Pupils pull on...
Science Geek
Covalent Bonding
When it comes to covalent bonds, sharing is caring. Presentation covers the octet rule with multiple examples, Lewis Dot Structures with an example, and resonance. Presentation is the first in a five-part series.
Concord Consortium
Energy of Bond Formation
Show your chemistry class that there's much more to covalent bonding than sharing electrons! Pupils manipulate atoms of hydrogen, oxygen, and carbon to observe the energy of bond formation using a well-rounded interactive. The resource...
Curated OER
The Absorption of Solar Energy
Two sequential parts to this lesson introduce your class to the electromagnetic spectrum, the ability to absorb radiant energy, and the pigments in leaves that are responsible for collecting sunlight to be used in the photosynthetic...
Curated OER
Vocabulary - Unit 5, Chemical Bonds
All you will find in this resource is a list of vocabulary terms dealing with chemical bonds. Space is provided for chemistry learners to write out definitions. This would be a terrific tool to help prepare them for a quiz.
Curated OER
2009 U.S. National Chemistry Olympiad National Exam - Part I
The 2009 version of the first part of a national chemistry competition is posted for your use with olympiad hopefuls. Test takers deal with 60 multiple choice questions covering an entire year of chemistry curriculum. Use this to...
Concord Consortium
Making and Breaking Bonds: The Effect of Temperature
Time to turn the heat up on your next bonding lesson! Young chemists explore temperature, kinetic energy, and bonding through an interesting interactive. The controls allow individuals to vary the temperature, as well as pause progress...
Concord Consortium
Breaking a Molecular Bond
Breaking up is hard, especially with a third part involved! Watch as molecules of hydrogen, oxygen, and nitrogen try to keep it together as a neutral third atom bombards them. Users control the reactive molecules and the velocity of the...
Concord Consortium
Forming a Molecular Bond
They say two's company, but three's a crowd... unless you're talking about molecular bonding! Chemistry scholars experiment with two- versus three-atom bonding in an engaging simulation. Learners must place the third atom in a location...
Curated OER
Unit 3 Bonding
An organized table charting the different types of chemical bonds arrays this resource. The octet rule, ionization energy, and the naming of compounds are also reviewed. Young chemists answer review questions in multiple choice fashion....
Virginia Department of Education
Chemical Bonds
How are chemical bonds similar and how are they different? Provide your young chemists with the resources to more thoroughly understand the concepts of ionic and covalent bonds. Pupils research these topics, diagram examples of each...
Cornell University
Atomic Bonding
Explore the connection of surface area to bonding within atoms. Learners complete lab investigations to model changing surface area with different sizes and concentrations of atoms. A flour fireball demonstration follows the labs to...
Royal Society of Chemistry
Energy—Gifted and Talented Chemistry
What has more energy than a room full of pupils after a fire drill? This lesson plan! Explore the changes in energy during different chemical reactions, discover why some reactions feel cold and others feel hot, and tackle the concept of...
PHET
Double Wells and Covalent Bonds
Quantum tunneling plays an important role in nuclear fusion, the energy source of the sun. This simulation explores tunneling, double wells, and covalent bonds by allowing individuals to manipulate potential and total energy to learn...
Curated OER
Chapter 6 - Bonds
Although there are only 16 questions here, this chemistry handout makes a terrific unit assessment. It queries youngsters on the properties of ionic and covalent compounds, relates bond length tho stability and enrgy, compares polar and...
Concord Consortium
Non-Bonding
What makes helium so Noble, anyway? Explore the bonding properties of helium versus those of hydrogen using an interactive resource. Science scholars manipulate atoms of each element and observe changes in potential energy as the atoms...
Chemistry Collective
Virtual Lab: ATP Reaction (Thermochemistry and Bonding)
If you've ever felt a little drained ... try converting some ATP to ADP! Science scholars perform one of life's most important reactions using a simulated lab workbench. The fun-to-use interactive allows pupils to control the reactants...
Curated OER
Worksheet Heat of Reaction (Bond Energies)
In this bond energies worksheet, students analyze bond enthalpy data in order to estimate the change in heat, in kilojoules, of three different chemical reactions.
Serendip
How Do Biological Organisms Use Energy?
When an organism eats, how does food become energy? Young biologists follow glucose through the process of cellular respiration to the creation of ADP using a discussion-based activity. The resource also highlights conservation of mass...
Science Geek
Ionic Bonding
Here's a presentation that answers the age-old question of the covalent bond to the ionic bond, "Why won't you share?" Included is information about covalent and ionic bonds, the octet rule, ionic compounds, cations versus anions, and...
Science Geek
Metallic Bonding
Introduce your class to metallic bonding with a presentation that covers packing in metals, substitutional alloys, interstitial alloys, and properties of metals.
American Chemical Society
Energy Levels, Electrons, and Ionic Boding
Learners see how electrons are transferred in the bonding of NaCl. They then create models of NaCl using styrofoam balls and toothpicks to assist them in explaining the formation of ions and ionic bonding.