Curated OER
Acid-base Homework Problem Set 2
In this acid-base reaction worksheet, students calculate the ion concentration and pH for 6 solutions, graph titration results for 11 reactions and use Henderson-Hasselbach equations for three problems.
Curated OER
Solubility of Ionic Substances
In this solubility worksheet, students identify substances as either ionic or molecular, define saturated solution and solubility, and calculate concentration of solutions. This worksheet has 7 short answer, 5 fill in the blank, and 27...
Curated OER
Acid, Base, or Salt?
In this acids and bases worksheet, high schoolers read about the differences between acids and bases and then complete a table comparing the characteristics of both. Then students determine if the given statements describe an acid, base,...
Curated OER
Acids and Bases Worksheet
For this acids and bases worksheet, students determine the pH and pOH for a given solution. Kids determine the conjugate acids for the given species. Students calculate which solution will have a higher pH. This worksheet has 16 problems...
Curated OER
Osmosis and Dialysis
How do you engage pupils in a discussion about osmosis without leaving them overwhelmed? By providing them with the tools to perform an exciting experiment, and they will see osmosis in action! Young chemists and biologists use a potato...
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.
Curated OER
Formula Units
In this chemistry worksheet, students examine the concepts of mole and molarity in order to apply in the laboratory setting. The sheet includes in depth background information.
Curated OER
Sea Water Freeze
Middle schoolers observe how salinity affects the time it takes water to freeze. They participate in an experiment to determine that ice is essentially salt-free whether formed from fresh or salt water
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...
Curated OER
Determination of the solubility product of silver(I) chloride
For this chemistry worksheet, students examine the concept of solubility of silver chloride. The sheet has in depth concept and laboratory instructions.
Curated OER
Transport
A multiple-choice quiz about the transport of substances between cells, this would work well as a pretest and/or post-test. It refers to chapter seven of an unnamed textbook, but it is a Word document, so it can easily be edited.
Curated OER
Transport Starts With?
A fill-in-the-blank worksheet regarding transport, this handout would make a great study guide or quick homework assignment to help learners ensure they know the key vocabulary for this topic. There is no answer key, but these are...
Curated OER
WS 10.10 Salts and Buffers
In this salts and buffers instructional activity, students answer five questions about the acids and bases that form salts as well as the equations for a buffer system.
Curated OER
Kidney and Related Concepts
In this kidneys worksheet, students review the function of the kidneys including what happens when the kidneys stop working. Students also compare kidney function in fish, frogs, and kangaroo rats. This worksheet has 86 fill in the blank...
Curated OER
Buffers
In this buffers worksheet, students identify the systems that could function as a buffer solution. Students determine the pH of a solution and the pH of the buffer. This worksheet has 6 problems to solve.
Curated OER
Chemical Reactions
In this chemical reactions activity, students calculate the molar mass and the rate of reaction for the given chemical reactions. This activity has 3 problems to solve.