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.

For this acids and bases worksheet, learners calculate the equilibrium concentrations for acidic solutions. This worksheet has 5 problems to solve.

Chemistry stars calculate ion concentrations, pOH, or pH in different solutions. For questions in the latter half of the worksheet, they also have to explain why a solution is acidic, basic, or neutral and solve for molarity of a solute....

A half-page chart compares the properties of metals and nonmetals. Properties include appearance, melting and boiling point, density, strength, malleability, ductility, heat and electrical conductivity, and the nature of their oxides....

Before graphing and finding distances, learners investigate the coordinate plane and look at patterns related to plotted points. Points are plotted and the goal is to look at the horizontal and vertical distances between coordinates and...

In this activity, learners review the definitions of acids, bases, and salts. They also describe the differences between acids and alkalis and define neutralization. This activity has two short answers and one problem to solve.

In this chromosome worksheet students complete a crossword puzzle by answering questions on DNA, nucleic acids, nucleotides and RNA.  

In this science worksheet, students read about cells, chromosomes, and genes. Students order the following items from largest to smallest: cells, chromosomes, DNA, genes, and bases.

In this biology worksheet, students identify and describe the three types of RNA, messenger, transfer, and ribosomal RNA. Then they write the key features of molecules of RNA for each form.

In this chemistry science activity, students identify the parts of a chemical reactions. Students name the major particles of the atom. Students apply knowledge about the atom, theories, and models.

In this DNA worksheet, students will review vocabulary about the structure and characteristics of DNA and the processes of replication and mutation. 3 true or false questions, 6 matching questions, 5 fill in the blank statements.

In this DNA: structure and replication activity, students fill in the blanks about the structure of DNA and replication of DNA. Students sketch several diagrams of DNA at different stages.

In this neutralization reaction worksheet, students read about how neutralization reactions are double replacement reactions in water. They complete five questions about neutralization reactions including completing five reactions and...

In this genetics worksheet, students complete 3 short answer, a word puzzle, and 7 word games about genetic traits.

A 30-question multiple choice chemistry test challenges takers. Topics touched upon include thermochemistry, equilibrium, behavior of gases, and pH. Problem solving is required in order to answer most of the questions. Other questions...

Advanced biology masters take a close look at DNA and the scientists who contributed to our understanding of this complex and powerful molecule. They answer 21 questions about DNA structure, replication, and repair. This can be used as a...

Sixty multiple-choice questions test on a variety of first year chemistry subjects. In order to succeed, exam takers must be competent with properties of elements, stoichiometry problems, gas laws, bond dissociation, and types of...

Only eight problems are on this competitive national chemistry exam. It required the balancing of chemical equations, solving stoichiometry questions, and more. This is part two of three of the national exam. Also available is a...

From their sweat to the water vapor in their breath, astronauts recycle every possible drop of water while in space. After watching a short video describing the different ways materials are recycled and reused in space...

Performing calculations is for more than just mathematicians — it's an important science skill, too. Demonstrate the pH calculations using the slide show resource. The final resource of a seven-part unit introduces young scientists to...

Cranberries, oysters, lobster, deer, and cabbage were just a few of the foods found on the table at the First Thanksgiving. After reading a two-page passage about the historic meal, class members respond to 10 reading...

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.

In an electrolytic cell, electrical energy is converted into chemical energy, the exact opposite of a battery! Lesson 15 in a series of 36 explores electrochemistry. Participants begin by reading and discussing oxidation/reduction...

In this chemistry worksheet, students determine the pH of several given solutions. Students label indicated substances as either acids or bases according to Bronsted-Lowry theory.