National Nanotechnology Infrastructure Network
Silver Nanoparticle Synthesis and Spectroscopy
Certain materials do not always maintain the same physical properties when they exist in the nanoscale. Help your classes to explore this idea through an experimental instructional activity. Scholars use spectroscopy with samples of...
Cornell University
Splitting Water with Electricity
Explore how electricity splits water molecules into hydrogen and oxygen. Learners begin by calculating the voltage necessary to separate the water. They then perform the experiment and measure the ratio of hydrogen and oxygen bubbles.
Curated OER
Dilution and Concentration of Solutions
Future chemists practice laboratory techniques by creating a monochloramine solution. The objectives are to use of dilution, 9concentration, and measurement skills and to prepare a solution that will be used in a water treatment...
Alabama Learning Exchange
Float or Sink?
Experiment with mass and density as scholars figure out what makes things float or sink. First, they watch a podcast introducing these concepts. Be sure to use the comprehension question to test their understanding. Young scientists...
Curated OER
Matter and Chemical Bonding
For this chemical bonding worksheet, students read about the invisible killer, dihydrogen monoxide. Students read about the products it is used in and the problems it causes to the environment. Then students complete 19 short answer...
Curated OER
Learning Outcomes
In this science worksheet, learners explore the learning outcomes for a unit on chemical reactions. Students define 60 vocabulary words and answer a list of questions for each topic.
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
Quantitative Relationships in Chemical Equations
In this chemical equations worksheet, students balance the equations and then determine the number of moles of product or reactant. This worksheet has 7 problems to solve.
Curated OER
Winter
High schoolers explore the nature of water and water molecules. They examine the role of ice on organisms.
Curated OER
Catering Middle-School Science: Monomers, Polymers, and Macromolecules
Students investigate foods. In this biology lesson plan, students will conduct testing on different types of foods as they learn about different molecules that make them up. Students will also learn about the shapes of the molecules.
Curated OER
Empirical Formulas
In this empirical formulas worksheet, students read about determining empirical formulas from chemical formulas. They determine the empirical formula given ten molecular formulas. They also find the molecular formulas given the mass and...
Curated OER
Ionic Chemical Formulas Days 1 & 2
Students study polyatomic ions and write binary and ternary ionic chemical formulas. They explore putting together different monatomic ions and coming up with as many chemical formulas as possible. They play a game similar to memory...
Curated OER
Writing Lewis Structures
In this Lewis structures worksheet, high schoolers read about drawing Lewis structures and how to identify valence electrons. They draw Lewis structures for eight given compounds.
Curated OER
Dust in the Wind; Chemicals in the Water
Students explore mechanical and chemical weathering at stations. They articulate some mechanisms of chemical and mechanical weathering through exploration in a lab. Students stations describe how chemical weathering differs from...
Curated OER
Early Atomic Theory Homework
In this early atomic theory learning exercise, students answer 4 questions about the Law of Definite Proportions, the Law of Conservation of Mass and Dalton's Laws. Students are given 5 statements to determine if each true statement...
Curated OER
What's Matter?
Learners explore the definition of matter. In exploring matter instructional activity students get into groups and navigate the Internet to answer questions.
Curated OER
The Connection Between Pigment and Light Colors
Young scholars explain the mole concept and use this concept to prepare chemical solutions of particular molarities.
Curated OER
Chemical Bonding
In this chemical compounds worksheet, high schoolers review the different types of bonding, define the octet rule, and draw Lewis structures (electron-dot diagrams) for given compounds. This worksheet has 7 fill in the blank, 5 short...
Curated OER
Using the Stock System
In this compounds worksheet, students learn the rules for naming compounds, the stock system. Students apply these rules by writing the names or formulas for the 20 given compounds.
Curated OER
A Compound Problem
In this compounds activity, students compare the differences between compounds and mixtures. This activity has 3 short answer questions.
Curated OER
Carbon: Structure Matters
Students read the Who We Are Section on Calfee Designs Webpage and discuss carbon usage. They work in pairs to look up the minerals diamond and graphite then create a chart on the properties of each mineral then compare how they differ...
Curated OER
Vocab Science Chapter 1
In this word search worksheet, students locate 20 words related to science. The word list includes volume, mixture, and solute.
Curated OER
What is a Nanometer?
Students develop a concept of the relative size of objects in the nanoscale. They complete an internet assignment using the website,"Scaling the Universe to Your Desktop". Using analogies to common objects they get an appreciation for...
Curated OER
Stoichiometry
In this stoichiometry worksheet, students identify types of reactions, show the products, and balance the equations. Students determine the limiting reagent, theoretical yield, and percent yield for given reactions. This worksheet has 5...