In this research skills worksheet, students read the questions about bananas and research to answer the 10 multiple choice questions.

Young scholars study the origins and background of the pecan.  In this agriculture instructional activity students divide into groups, complete an activity and worksheets.

Students review balancing chemical equations. In this chemistry activity, students calculate moles of an unknown substance based on stoichiometric relationships in the balanced equation. They cite applications of stoichiometry in...

Basic information about the element Potassium, atomic number 19. Covers its history, physical and atomic properties, and how abundant it is on the Earth.

This site from WebMD Health is a general overview of potassium bicarbonate. Answers questions on dosage, counterindications, side effects, etc.. Also includes general information and a description.

This article describes research findings from the University of Wisconsin. It shows that plants create an electric potential to draw potassium in from the soil.

Learn about potassium and why the mineral is important to our health.

This site provides general information about potassium. Includes function, deficiency symptoms, food sources, toxicity, and precautions.

This WebElements site provides a great deal of elemental information. There are audio files demonstrating the correct pronunciation of the element name, pictures showing the electron shells, and information on isotopes, properties and more.

[Free Registration/Login may be required to access all resource tools.] Tutorial explains the function of the sodium-potassium pump. Students will learn the difference between a concentration gradient and an electrochemical gradient.

As the name of this site implies, this is a huge reference site for elemental information. Whether you are looking for properties or isotopes, this site probably has what you need. Images of structure and electron energy level can be...

[Free Registration/Login may be required to access all resource tools.] Describes the sodium-potassium pump.

A discussion of what potassium is and potassium level tests are given by WebMD. Read about why potassium level tests are given, what they reveal, how they are done, and what the possible results may mean.

Describes some characteristics of potassium and presents interesting facts about it, its applications, and its important role in human nutrition.

Study the properties and characteristics of potassium on this site. Learn about the element potassium and its chemistry including atomic weight, atom, uses, sources, name, and discovery.

Read some facts about potassium and what its uses are.

The uses of potassium as a human nutrient, a plant nutrient, and in different industries are described.

Take a look at the dietary benefits of consuming potassium and identify sources of the mineral. Find out how to recognize deficiencies or when there is too much potassium in the body.

The team at Periodicvideos has created a TED-Ed Lesson for every element of the periodic table. This one is about potassium. In this video, see some violent explosions and the gentle creation of a potassium mirror. [4:32]

Although this page focuses more on fun than on facts, it will quickly become a favorite of most Chemistry students. Find scanned panels and pages of comic books with elemental characters.

A nice, clear site, containing a good deal of elemental information, including atomic weight, density, boiling point, isotopes and more. An image shows the electron energy levels for the element.

Potassium chlorate acts as a catalyst to produce oxygen. Read about some of its uses, including in fireworks and as a water disinfectant.

Learn what the difference is between potassium hydroxide and sodium hydroxide and what they are each used for.

What happens when your blood is tested for electrolytes? Find the answer to this question, and learn how electrolytes, like sodium, potassium, and chloride, function in the body and keep you healthy.