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...

In this chemistry review worksheet, students answer and solve 95 questions about chemical reactions, hydrocarbons, functional groups, moles, acids and bases and solutions.

In this Archimedes' principle worksheet, students answer 13 questions about the concepts of Archimedes' principle such as water displacement, buoyancy and force. The answer questions from a lab they did in class to simulate Archimedes'...

For this DNA worksheet, students compare the DNA sequence of a human and a cow to complete 4 fill in the blank questions and 4 short answer questions.

In this how HIV infects cells instructional activity, students read the given information about how HIV infects cells. Students explain the role of various structures in HIV infection. Students design a drug that might slow the rate of...

In this pH worksheet, students describe the pH scale and explain the initials "pH." Students classify solutions as acidic, neutral, or basic. Students name compounds as acids or bases. This worksheet has 3 short answer questions and 5...

In this electrolytes and solubility worksheet, students answer questions about electrolytes and write balanced equations for the dissociation of salts in water. They also determine solutes that are soluble in water and write balanced...

In this chemical reactions worksheet, students by comparing the chemical reactions of baking soda and baking powder. This worksheet has a graphic organizer and 7 short answer questions.

For this buffer solution worksheet, high schoolers experiment with the addition of different solutions to a buffer solution and observe the changes in pH using a pH probe. Students describe the differences between adding pure water and...

In this redox reactions worksheet, learners balance six acidic solution reactions and six basic solution reactions. Oxidation and reduction numbers are given.

In this environment worksheet, students answer 6 different questions. The questions are really an activity for each one. This requires extra space to complete them on separate worksheets.

In this chemistry worksheet, students write the structures for the compounds illustrated on the sheet. Then they name the compounds whose structures are illustrated in part two. Students also fill in the blanks to complete the paragraph...

In this acid-base reaction instructional activity, learners calculate the ion concentration and pH for 6 solutions, graph titration results for 11 reactions and use Henderson-Hasselbach equations for three problems.

For this genetics worksheet, students compare the human amino acid sequence with the five animals given. Students used cladograms to complete 11 short answer questions.

In this health activity, students answer ten questions based around the concept of the different types of foods like carbohydrates, proteins, and fats with an emphasis upon how they are used in the body.

In this protein synthesis worksheet, students identify the proper amino acids given the mRNA codons. They also identify the mRNA codon given the DNA code and the amino acid it codes for. Students answer questions about protein synthesis.

In this protein code worksheet, learners are given a table of "Secret Pseudo-Protein Codes". They use the table to decode a DNA sequence and then encode an RNA sequence. They answer questions about the Secret Pseudo-Protein code.

In this equilibrium worksheet, students answer 8 multiple choice questions but need to solve the problems in order to determine the answers. They include determining the concentrations of ions as well as the pH of solutions.

In this gene expression worksheet, students read about two transcription factors: activators and repressors. Students complete 1 multiple choice and 5 short answer questions.

Because it is heavily focused on the contributors to DNA theory, this worksheet may be more of an enrichment than a fundamental support to your genetics curriculum. Though it does query learners about DNA structure, replication, and...

In this ionic equations worksheet, students are given 20 equations to complete. They are to write the net ionic equation and indicate if a precipitate or gas is formed. In addition they are to determine if 11 compounds are acids or bases...

In this chemistry learning exercise, students solve twenty five multiple choice problems about a variety of chemistry topics. Students answer questions about equilibrium, solubility, reaction rates, titrations, and entropy.

In this battery worksheet, students read about oxidation-reduction reactions and voltaic cells. They are given a diagram of an electrochemical cell and they answer four questions using the cell. They also identify the anode given two...

In this alchemy activity, students read about how alchemists kept their experiment notes in secret code. Students design their own secret code for the given elements. This activity has 2 problems to solve.