Curated OER
Chemical Bonding and Shapes of Molecules
For this chemical bonding worksheet, learners review the different types of bonds and calculate the number of valence electrons in molecules. This worksheet has 11 matching and 15 multiple choice questions.
Curated OER
Investigating the Shapes of Covalent Molecules and Measuring their Respective Bond Lengths and Bond Angles
High schoolers will draw Lewis structures of common covalent compounds using a Chem 3D computer program. They will predict the shapes of the molecules, complete a data table, and formulate rules for predicting shapes of molecules. In the...
Curated OER
Biologically Important Molecules
In this biologically important molecules worksheet, students fill in the blank with information about carbohydrates, lipids, and proteins. Students also make notes about nucleic acids.
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
Graham's Law
In this gas laws worksheet, students apply Graham's Law by completing 6 problems finding the velocity and molecular mass of gases.
Curated OER
Properties of Metals
Fifth graders study the properties of metals and use them to identify different properties. In this metal properties lesson students complete a demonstration .
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...
American Chemical Society
Does Temperature Affect Dissolving?
When making sweet tea, why do people dissolve the sugar in hot tea instead of cold tea? The class discusses the previous lab and builds upon it. Working in groups, they design an experiment to determine how temperature affects the...
American Chemical Society
Heat - Energy on the Move
Turn up the heat. Individuals conduct two experiments to observe the difference between heated water and air versus cold water and air. Using food coloring, pupils observe the movement of the molecules in the two temperatures of water. A...
Chicago Botanic Garden
Are All Plants Created Equal?
Photosynthesis requires energy and produces food, and cellular respiration produces energy and requires food. An interesting lesson analyzes the factors that affect the rates of photosynthesis and respiration. Classes spend one day...
American Chemical Society
Different Substances React Differently
Looks don't tell the whole story. Young experimenters explore reactions with substances that look similar. They observe the reactions that take place when combined with baking soda and use indicators to conclude they react differently...
American Chemical Society
Using Dissolving to Identify an Unknown
There is a solvent called aqua regis that can dissolve gold! After observing a solubility demonstration, groups receive four known crystals and one unknown. Based on the demo, they design an experiment to determine the identity of the...
Curated OER
Indirect Observation
Students observe obscertainers through indirect observations and make hypotheses about the internal wall structures of the containers. In this indirect observation lesson plan, students make observations of 4 obscertainers with a steel...
Curated OER
Chemical Elements and Compounds Crossword
In this elements instructional activity, students complete a crossword puzzle by figuring out the vocabulary words associated with the 25 clues given.
Curated OER
The Krebs Cycle and Electron Transport
A three-page, mostly multiple choice quiz that would work great as a pretest/post-test for the topic of cellular respiration. It also includes diagram interpretation and a couple of short-answer written response questions. Depending...
Curated OER
Acids and Alkalis
This PowerPoint progresses slide-by-slide through all the facts you would want to deliver about acids, alkalis, salts, and the related lab tests. Each slide has one or two facts about a physical or chemical property or behavior. The...
Curated OER
Making Molecules
In this making molecules worksheet, students complete a table of elements with their symbol, atomic number, atomic mass, number of protons, number of electrons, period and group. Students then make models using pipe cleaners and beads of...
Curated OER
Cell Respiration Worksheet
Beginning biologists demonstrate their grasp on cellular respiration, photosynthesis, and energy flow though ecosystems when completing this worksheet. Fifteen multiple choice and short answer questions test their knowledge. Because of...
American Chemical Society
What is Density?
Density: the reason a giant pumpkin will float, but a tiny cranberry won't. Lesson begins with a demonstration of two of the same-sized cubes having different densities. Then pupils take eight cubes, each of the same size, and have to...
Curated OER
Atomic Structure
In this atom worksheet, students define the atomic theory, compare an atom and a molecule, determine atomic number and number of protons for elements, and draw Bohr models for given elements. This worksheet has 4 graphic organizer, 8...
Curated OER
Thermal Energy and Heat Unit
Learners explain that heat energy in a material consists of the disordered motions of its atoms or molecules. They know and explain that transformations of energy usually transform some energy into the form of heat, which dissipates by...
Curated OER
A Chemist in My Class?
First graders in kindergarten science class discuss matter. They make predictions and then identify mystery items in brown paper bags as either solid, liquid, or gas by using their senses. They discuss that a chemist is a scientist that...
PBS
NOVA Elements
It's like a periodic table variety show! When the plethora of periodic table apps becomes ho-hum, this one may revive interest.
Curated OER
Balancing Equations
For this balancing equations worksheet, students balance ten equations by placing the proper coefficients in front of reactants and products to balance the number of atoms.