Students test the pH of soil samples they collected from the field trip. In this chemistry lesson, students differentiate acids and bases. They write a lab report about the experiment.

Learners add the acid and base drop wise as the protein precipitates. If either are added too rapidly, students may miss detail or the protein may not have sufficient time to renature. Casein does not buffer the solution well when it is...

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 learning exercise, 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.

Eighth graders experiment and study about acids and bases by becoming involved in direct hands-on learning experiences and then relate those experiences to their own lives. They experience the Ohio River and what can be done to help...

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 learning exercise, 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.

Students explore the issues that influence our environment and research ways to decrease the negative impact that humans have on the environment. Misconceptions about environmental issues are addressed in this lesson.

Do you think chromatography paper suffers from separation anxiety? Young chemists make soap, slime, silly putty, and experiment with chromatography in this lesson. The material includes clear instructions for each experiment along with...

Learners explore DNA. They work in groups and mix prepared detergent/ salt solution, meat tenderizer solution, Fleischman's yeast and water to extract DNA from yeast. Observations are recorded.

When it comes to the origin of the human species students are full of misconceptions. Clear up the hominid confusion with this evolutionary activity focused on assisting students in understanding prehistoric man and his family tree....

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

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.

Students study acids and bases and the uses of indicators. They interpret the actions of an indicator to conclude that bromothymol blue turns yellow in the presence of a weak acid.

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...

In 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 worksheet, high schoolers 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 codons...

Students devise a scientific investigation to detect acids and bases in common materials.

In this acid base worksheet, students calculate the concentration of solutions as products of acid and base reactions. This worksheet has 9 problems to solve.