In this volumetric analysis instructional activity, learners experimented with a known amount of hydrochloric acid to determine the relative molecular mass of an unknown group 1 carbonate. Students use volumetric analysis to determine...

In this acid/base and equilibrium worksheet, students solve seven problems including calculating equilibrium concentrations of all species in a reaction, calculating the pH of solutions, determining the direction of a reaction at...

In this acids and bases worksheet, students 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, or...

In this chemical compounds worksheet, students determine is compounds will act as acids or bases when added to water. Students compare basic, acidic, and amphoteric anhydrides. This worksheet has 15 fill in the blank, 2 short answer...

In this biology worksheet, young scholars work to define the nucleic acids of RNA and DNA. They answer the questions that focus upon the two concepts.

These slides have lovely images to illustrate the Double Helix and replication.  The specifics of chromosomes within cells and the numbers and structure during different stages of cell replication are explained.

If you need a straightforward and comprehensive organic chemistry exam, check this one out. Chemistry pupils identify functional groups in molecule diagrams, draw a Lewis structure, fill in a table about molecular shape, predict boiling...

In this biology worksheet, students review and answer different questions based upon the molecules of DNA and RNA. They look at the specific protein order of the DNA strand and its synthesis.

Explore the makeup of the earth's atmosphere. Using the set of specific experiments, pupils examine the main elements and compounds present in the atmosphere. Their study extends to investigate the effects of atmospheric...

With a professional appearance, this presentation introduces advanced biology learners to the history and structure of the DNA molecule. The details included in this resource are definitely more in-depth than what you would expose a...

In this thermometric titration worksheet, students determine the concentrations of hydrochloric acid and ethanoic acid using a titration where they measure the temperature of the solution as it is titrated. The equivalence point is found...

In this water equilibria worksheet, students calculate the pH of solutions, they fill in a table with the type of acid or base given a compound and it's concentration and they calculate approximate solubilities for salts.

Future geneticists use base pairing rules to build DNA and RNA polypeptide strands, and then explain both transcription and translation. Although the chains themselves are a little blurry, there is plenty of room in them for learners to...

Here is a quick online quiz on the basics of the DNA molecule. Biology buffs can choose one of five answers for each of the 10 questions and submit the quiz when they are finished. They receive immediate feedback on their performance,...

Emerging chemists find their calling as they calculate the concentration of hydronium and hydroxide ions and the pH and pOH for several solutions. In some cases, values are given, and in others, actual word problems are written out....

Although their name makes them sound dangerous or toxic, carboxylic acids are found throughout nature in things such as citric acid, vinegar, and even in your DNA. Through detailed readings, discussions, and answering questions...

This nine-page biotechnology resource contains six pages of questions regarding DNA technology. Questions cover cloning, restriction enzymes, the polymerase chain reaction, different techniques, the human genome project, and more. The...

Your young biologists will find these slides very useful to help differentiate between the different nutritional components.  The slides contain step by step details of the different levels of structure and function. These would be...

In this chemistry Olympiad activity, pupils are given 2 lab problems to work on. They must explain their experiment they would carry out, show their data and write their results and conclusions of the lab and the process.

In this acid and base activity, students review the characteristics of acids and bases, how to calculate pH of a solution, and define a buffered solution. This activity has 16 multiple choice questions and 3 problems to solve.

In this acid and base worksheet, students classify compounds as acids or bases and write down its equation. Students calculate pH of chemical compounds. This worksheet has 14 problems to solve.

Have you ever wondered why you aren't taller or invisible? It all comes down to your dominant and recessive genes. Introduce your class members to genetics with a presentation that includes worksheets for young geneticists to...

For this acids, bases and buffers worksheet, students define terms, solve problems such as calculating the pH of solutions and the molarity of solutions and they write balanced equations of neutralization reactions.

In this protein synthesis instructional activity, students use a given strand of DNA to write the complimentary base pairs. They transcribe the message to the RNA and then they translate the message into the proper amino acids using the...