Curated OER
Empirical Formulas
In this empirical formulas worksheet, learners 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...
Cornell University
The Making of Macromolecules
Compare and contrast macromolecules made from the same elements. Young scholars learn how the structure of a molecule has as much influence on a compound as the elements in the molecule. They experiment with molecular model kits to...
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
Doing Lewis Dot Diagrams
Students observe the periodic table and draw the Lewis Dot Diagram. In this investigative lesson plan students construct information on several elements including the Lewis Dot Formation and take a quiz on the information they learned.
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
Energy in the Natural Environment
Students examine the flow of energy through the natural environment. In groups, they describe the effect of energy on the atmosphere, hydrosphere and lithosphere. To end the lesson, they experiment with the chemical and physical...
Curated OER
Proteins Word Search Puzzle
In this biology learning exercise, middle schoolers look for the words in the puzzle that are related to the theme of the word search. Spelling skills are worked on.
Curated OER
EGG-cellent POLYMER PACKAGING DESIGN
Young scholars investigate the concept of a polymer using an experimental design of protecting an egg in a bookbag. They test the properties of polymers and form an educated solution to the proposed problem. Then they describe the steps...
Curated OER
Chemical Compounds
In this chemical compounds worksheet, students write the name of compounds from their chemical formula, balance equations, write electronic configurations for elements, and draw Lewis dot structures. This worksheet has 8 fill in the...
Curated OER
Micro-Magic With Sticky Ions
High schoolers view a video about the formation of precipitates. They complete a worksheet that asks them to identify what makes a compound form and what holds it together.