Curated OER
An Experiment in Alchemy: Copper to Silver to Gold
How exciting would it be for your chemistry class to produce their own "gold"? This experiment allows pupils to witness the chemical reaction of copper pennies as they react with zinc and sodium hydroxide to produce "gold" tokens. It is...
Science Geek
Properties of Solutions
Study the properties of solutions as they relate to mixtures. The slide show presents the key concepts involved with solutions including solvents, solutes, solubility, and electrolytes. Scholars learn the basics of the properties of...
Chymist
An Experiment in Alchemy: Copper to Silver to Gold
Use chemistry to change pennies into gold coins! The experimental procedure leads learners through the process of changing copper pennies to silver and then to gold. They record the mass of each coin through every step of the experiment.
NOAA
Ocean Acidification
If tap water is more acidic than ocean water, why are we so concerned about ocean acidification? The third installment of a 23-part NOAA Enrichment in Marine sciences and Oceanography (NEMO) program focuses on carbon dioxide levels in...
PHET
AM Radio Ionosphere Station
Tune in! Young scientists use an AM radio at home to monitor solar output. The long-term project would be ideal in a flipped classroom or as an out-of-class project.
Curated OER
What is pH?
Students describe pH and the importance of it in the natural world. In this Biology lesson students compare the pH of different mixtures.
Curated OER
Activity #17 Co2 From Alka Seltzer
Students observe what occurs when Alka Seltzer tablets are added to water. They explain why water stays in the jar when it is above the surface of the water. Pupils test for the presence of carbon dioxide by conduting the match test.
Curated OER
Hard Water
In this water worksheet, students read how hard water is created and what can be done to soften the water. Then students complete 6 short answer questions.
Curated OER
Understanding the pH Cycle within the Aquarium
Students discuss places they have been where the air seemed hard to breathe. They discuss if they could "see" the humidity or smell. Students discuss ways this might relate to the fish in the aquarium. The teacher introduces pH and how...
Curated OER
Acids and Bases Crossword
For this chemistry worksheet, students complete a crossword puzzle with 27 clues about acids and bases. Each clue lists number of letters for correct word.
Curated OER
Answers for Acids and Bases Crossword
In this chemistry worksheet, students are provided with the answers for a crossword puzzle with 27 clues about acids and bases.
Curated OER
pH Pre-Lab: Acids and Bases
In this chemistry lab, students determine whether or not their saliva is acidic, basic, or neutral. After completing their test, they answer 6 analysis questions.
Curated OER
Photosynthesis: Trapping the Sun's Energy
In this photosynthesis instructional activity, students learn how plants trap the sun's energy and the light-dependent reactions of photosynthesis which includes the Calvin cycle. This instructional activity has 5 true or false, 6 fill...
Curated OER
Acid Base
In this acid and base worksheet, students review the characteristics of acids and bases, how to calculate pH of a solution, and define a buffered solution. This worksheet has 16 multiple choice questions and 3 problems to solve.
Curated OER
Chemiosmosis- The Mechanism of ATP Synthesis in Chloroplasts
In this chemiosmosis worksheet, students trace the flow of protons and electrons through the thylakoid. Students also explain several key terms including in the reading passage provided.
Curated OER
Soil Chemistry Challenge
In this soil chemistry worksheet, students complete the sentences with the correct words to fill in the blanks about soil chemistry. Students complete 28 blanks.
Curated OER
Off Base
Students study La Chatelier's principle and identify how carbon dioxide may affect pH. In this coral lesson students complete a worksheet on pH and observe a lab.
Curated OER
Elements And Compounds
In this elements and compounds worksheet, students solve 27 clues in a crossword based on the atomic structure of elements and bonding of compounds.
Curated OER
Essential Elements
A color-coded periodic table identifies organic elements, major minerals, and trace elements. Oxidation states are highlighted and types of chemical bonding are annotated. The electron energy level chart is explained. Though not all of...
Curated OER
AP Chemistry: Acid-Base Worksheet
In this acid-base worksheet, students solve multiple problems related to reactions of acids and bases. They determine pH of solutions, they find conjugate acids and bases, they calculate concentrations of acids and bases and they write...
Curated OER
Chemical Bonding
Students classify compounds as ionic or covalent. In this chemical bonding lesson plan, students experiment with 6 chemical compounds. They test physical properties such as the melting point, the solubility and the electrical...
Curated OER
Bonding Basics Review
In this bonding worksheet, learners complete a chart of elements, their symbols, the total number of electrons, the number of valence electrons and the oxidation numbers. They draw Lewis structures for atoms and show the transfer of...
Curated OER
AP Chemistry Atomic Structure-7 Worksheet
In this atomic structure activity, students solve twelve problems related to wavelength, frequency, electron transitions, emission spectra and quantum number.
Curated OER
Finding the Oxidation State
In this oxidation state learning exercise, high schoolers are given rules for assigning oxidation numbers and a chart showing the oxidation states of the elements of a given compound. Students use the rules and the example to find the...