For this atomic weight and ions worksheet, students answer questions about isotopes of atoms and how it relates to atomic weight. They also write out oxidation or reduction reactions for given atoms undergoing loss or gain of electrons.

Sometimes it's good to challenge our kids with thought-provoking topics. They'll have to think hard and use what they know to answer these essay questions. They'll discuss how and why developed nations put a strain on the world's...

This Groundhog's Day, challenge scholars to predict, estimate, tally, and graph in a weather-themed lesson in which class members play the role of the groundhog to forecast the weather come February second. 

Students explore color recognition through mixing the primary and secondary colors together. They color in an online rainbow using primary and secondary colors, identify the colors on a color mixing poster, then mix the colors using...

Science students apply dimensional analysis to relate quantities in six different problems. They consider the cost of steak, a young man's growth rate, a medicine prescription, fuel efficiency, and more. This worksheet is a great way to...

Archimedes' principle is practiced as chemistry learners practice computing the density of different gases, liquids, and solids. Using a chart of standard densities, they also identify unknown materials by similar calculations. Fifteen...

In this percentage activity, students calculate percentages given various types of problems. They calculate percent of compounds in a solution, they calculate mass of compounds given percentages of solutions, and they percentages of...

In this solutions activity, students answer questions about the solubility of various substances in solvents such as oil in water and nitrogen gas in helium. They draw water molecules to show bonding between them and they diagram a flask...

For each of eight diagrams of objects in motion, physics masters draw pie charts to depict the changes in energy. For each they must identify the energy conditions at each position. This is a unique worksheet, perfect for assessing how...

In this kinetic molecular theory worksheet, students summarize the points of the kinetic molecular theory, they answer questions about pressure, and draw diagrams to show how suction cups, drinking straws and barometers work.

In this density worksheet, students calculate the density of objects given their mass and volume. They are given a table with the density of a variety of substances and given the mass or volume and must find the unknown.

In this gases worksheet, students use the concepts of Graham's Law of diffusion to determine the velocity of gases and molecules. They describe kinetic energy and how it relates to the mass and velocity of objects.

In this redox and electrochemistry learning exercise, students identify the anode in electrode pairs of electrochemical cells. They also describe how a lemon battery works and how wet and dry voltaic cells work.

In this phase changes learning exercise, students use the specific heats for different substances to determine how much heat is needed for those substance to change phases. This learning exercise has 9 problems to solve.

In this kinetic theory worksheet, students answer questions about kinetic energy, they calculate volumes of gases at STP, they answer questions about temperature and they convert from one unit of temperature to another.

In this presentation worksheet, young scholars answer questions about five different topics presented in class. These include acid rain, acid etching, pH testing, cave formation and kidney stones.

In this bonding learning exercise, students read about the attraction of electrons to the protons in other atoms to gain, lose or share electrons in bonds. Students answer eight questions about bonding using the reading and their...

Students understand the importance of maintaining a healthy weight and good health.  In this health lesson students read text then create their own pamphlet on the cardiovascular system, weight gain, treatments and health risks. 

In this work worksheet, students determine the amount of work done on moving objects given the speed of the objects. They also determine the work done on objects given the measurement of force and the angle above the horizontal at which...

In this kinetic energy worksheet, students solve six problems including finding work, determining kinetic energy, finding the coefficient of kinetic friction and finding work done on objects by air resistance and friction.

Students explore how plants depend on pollinators to reproduce.  In this pollination lesson students dissect a local flower and collect and identify pollinating insects. 

In this periodic table learning exercise, high schoolers fill in a portion of the periodic table with the atomic number of the element, the electron configuration of the element, the number of shells and the number of outer shell...

In this ideal gas law, molar mass and density worksheet, high schoolers read about how the molar mass and density of a gas can be determined from the ideal gas law. They solve five problems using the ideal gas law to find the pressure,...

Students explore the concept of waste management. In this environmental stewardship lesson, students study the nuances of the terms reduce, reuse, and recycle. Students investigate ways to reduce, reuse, and recycle many everyday items...