In this chemistry olympiad problem solving worksheet, chemistry pupils solve eight problems on a variety of topics including periodic trends, phase changes, ionization reactions, catalysts and titrations.

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...

With spaces for both your science pupils and their parents to sign, this laboratory safety contract is a must-have for your science classes. Twenty-one rules applying to protection and hazard prevention are listed. Discuss them with your...

To wrap up your year of general chemistry, have lab groups compete in a tot wire chemical vapor deposition (HWCVD) competition. With their foundation in chemical nomenclature, stoichiometry, and gas laws, each group completes several...

Learners design and build full-size boats made out of two-liter plastic bottles, chicken wire, and plywood. Then they race the boats, with the boat's designers "manning the hull", in the school's swimming pool.

Students hike a local mountain and examine its life zones. They measure various components at each zone and collect leaf litter at the sites. At the mountain top, students make descriptive observations and complete a handout about the...

This fascinating series of four lessons use the paintings of artist Robert Harris to illustrate different types of ecosystems, and the harm that comes to them from human policy. A global view of environmental policies are studied, which...

Groundwater is an essential natural resource, not to mention a fascinating topic to study. Here is a series of twelve amazing lessons on the water source and how we use it in our daily lives. Concepts require higher math and physics...

Do you know who Jonas Salk is? Print these pages and have your middle and high schoolers read his biography in Time magazine. The reading itself is short, and it is followed with a key date chart, three reading questions, two connection...

The University of the State of New York has designed a series of exams for high schoolers. This chemistry exam is one of the most comprehensive and well-written that you will ever find. It consists of 84 questions in a variety of styles,...

The 2006 version of the Regents High School Exam is just as thorough as the rest of them! Assess chemistry learners on the entire year's curriculum when they take this 13-page test.

For this chemistry worksheet, students answer 50 multiple-choice questions. They solve and write short-answer questions for 35 other chemistry-related problems.

For this chemistry worksheet, young scholars answer 50 multiple choice questions and 31 other questions that require them to solve, calculate and write short answers.

For this chemistry worksheet, students answer 74 multiple-choice, short-answer, and problem-solving questions on various chemistry concepts.

In this chemistry worksheet, high schoolers answer 50 multiple-choice questions and 31 short-answer questions to prepare for the Regents Chemistry Exam.

A complete study of population ecology is covered by this worksheet. Biology or ecology learners answer questions and interpret population graphs. This can be used as the intended guided notes worksheet or assigned as homework.

Survey the metabolism process from respiration through the production of the ATP molecule with this seven page AP biology worksheet. Pupils write short answers on the lines provided and label a diagram of the cellular respiration...

The first four questions on this assignment require the use of critical thinking skills to apply the action of enzymes to different situations. Biologists then interpret enzyme activity data in a table and answer questions about it. This...

Step-by-step procedures are outlined in the learning exercise and calculations for junior chemists to perform in their science journals. This laboratory exercise is intended for experienced chemistry learners.

Advanced biology pupils name the function of each individual structure on figures of the eye and the ear. They describe the purpose of the skeleton and how it works with the muscles to create movement. Finally, they label a large diagram...

Human biology beginners label colorful diagrams of the neuron, the reflex pathway, and the brain. They list steps in the action potential process, and describe several different neurotransmitters. This learning exercise guides learners...