In this DNA learning exercise, learners color in the parts of a DNA double-helix structure, which includes the base pairs and hydrogen bonds.

In this solutions worksheet, students determine concentrations of reactants at equilibrium. Students describe the effects of adding reactants have on the solubility of a compound. This worksheet has 5 problems to solve.

In this solutions worksheet, learners balance chemical equations, classify reactions by the type of reaction it represents, and review the solubility rules. Students practice working out double displacement, neutralization, and dilution...

For this pH worksheet, students experiment with dilutions of acidic solutions to test for the pH using cabbage as an indicator. They then test a variety of substances for pH. On day two of the lab, they test conductivity of solutions and...

Don't be fooled by the title - this biology quiz could serve as an AP biology or college-level biology quiz. Some of the molecules represented may be difficult to identify without seeing the textbook from which this is based. It could...

In this solutions worksheet, pupils calculate the pH of given solutions or calculate the Ka or Kb for chemical compounds. This worksheet has 11 problems to solve.

In this biology worksheet, students identify and locate various vocabulary terms pertaining to DNA. There are 29 biology terms located in the word search.

In this solutions worksheet, students solve fifteen problems including finding molar concentrations, writing net ionic equations, determining molarity of solutions, identifying oxidized and reduced agents and finding mass percent of...

In this organic chemistry worksheet, students solve 20 problems including isomer structure, functional groups, types of reactions and the polymers that make up the structures of organic molecules.

In this limiting reagents worksheet, learners solve 10 problems. They calculate limiting reagents, they calculate percent yield of particular compounds and they determine how much of products can be produced based on the limiting reagents.

In this chemical reactions worksheet, students answer 20 multiple choice questions about chemical equations, chemical formulas, oxidation and reduction reactions and acids, bases and salts.

In this organic chemistry worksheet, students solve 15 problems including identifying specific organic molecules, drawing organic molecules and completing reactions of organic molecules.

In this chemicals learning exercise, students answer 15 multiple choice questions about chemicals, compounds, inorganic and organic molecules.

For this online interactive reading comprehension worksheet, learners respond to 15 multiple choice questions based on Winesburg, Ohio. Students may submit their answers to be scored.

In this amines worksheet, students solve 7 problems including classifying given structures, ranking them based on their boiling point, and naming structures.

In this chemistry worksheet, students identify 3 different chemical compounds, 3 identify biochemical products, 4 identify terms, and 2 identify atomic symbols.

In this chemistry worksheet, students identify the process of Stoichiometry and use it to calculate various chemical reactions similar to that of a recipe. In addition, they identify a connection between isoamyl alcohol and the product...

In this biology worksheet, learners grow corn plants in growth pouches as the control group in an experiment on plant growth in microgravity. Then they analyze any differences that occur between Earth-grown and space-grown corn plants.

In this labeling a cross-section of a Bacterium cell worksheet, students use the glossary of Bacterium cell terms to help identify and label each cell part. Students label nine parts of the Bacterium cell.

In this electrolytic cell learning exercise, students read about car batteries and how they produce electricity for cars to run. They answer six questions about electrolytic cells and oxidation-reduction reactions.

In this online interactive reading comprehension worksheet, students respond to 11 short answer and essay questions based on Winesburg, Ohio. Students may also access an online quiz on the selection using the link at the bottom of the page.

In this mineral worksheet, students use an on line source to answer questions about minerals, about resources and their uses, about fireworks and about birthstones.

In this chemistry worksheet, students describe an atom, its parts, the charges of these parts, and atoms life functions. Then they explain what the octet rule states for the placements of electrons around the nucleus of an atom. Students...

In this dietary fibers worksheet, learners compare and contrast the properties of different fibers: cellulose, hemicellulose, pectin, guar, agar, and xanthan gum. This worksheet has 5 short answer questions.