Explain the properties of water. Identify the properties of water that make it a polar molecule Describe hydrogen bonds and how they differ from covalent bonds Discuss the differences between hard water and soft water Compare the heat of...

Students practice with writing and balancing simple chemcial equations. they comprehend that chemical equations are a method of using a set of univeral symbols to represent what happens experimentally in chemical reactions. Pupils...

In this science worksheet, students look for the amounts of air composition in the atmosphere by filling in the three different data charts.

For this biology worksheet, students examine the internal functions of the human body while considering the factors needed to explain the physiological reactions.

In this chemical reactions worksheet, students follow a flow chart to determine what type of reaction is occurring. Students then classify reactions and balance the equations. This worksheet has 2 short answer and 10 fill in the blank.

In this pressure and kinetic theory worksheet, students review Dalton's Law of Partial Pressure, the Kinetic Molecular Theory of Gases, and Graham's Law of Effusion. Students then solve 5 problems using these equations.

In this elements worksheet, learners read how the elements are organized in periods and groups in the periodic table. Students use the periodic table to find the valence electrons and calculate molecular mass. This worksheet has 20 fill...

In this atom worksheet, students read about the parts of the atom and how atoms combine into molecules and compounds. Students learn how to read a periodic table. This worksheet has 20 fill in the blank and 10 matching questions.

In this chemical equations worksheet, students balance equations. This worksheet has 22 chemical equations to write out and balance.

For this balancing equations worksheet, students balance ten equations by placing the proper coefficients in front of reactants and products to balance the number of atoms.

In this reactions learning exercise, learners learn how to solve stoichiometric problems based on the mole ratios of a balanced equation. Then students complete 7 problems.

In this chemical formulas worksheet, learners determine the number and type of each atom and the total number of atoms for the given formulas. Students complete 10 problems.

In this periods, groups, valence electrons and masses worksheet, students are given information about all these components of the periodic table. Students identify 4 elements in specific periods and groups, they find the valence...

In this chemical reactions worksheet, students learn about the 5 types of chemical reactions as well as endothermic and exothermic reactions. Students are given 5 equations to balance and they identify the type of reaction for each...

In this atom worksheet, students read about the structure of the atom including its subatomic particles and John Dalton's theory of the atom. Students also read about the differences between atoms, molecules and compounds. They answer 30...

In this elements and bonding worksheet, students classify given elements, they identify valence electrons in atoms, they explain the reactivity of elements, and they explain why certain atoms gain electrons while others lose electrons.

High schoolers observe demonstrations to show factors that affect rates of chemical reactions. In this rates of chemical reactions lesson, students investigate how catalysts, reactant concentrations, temperature and surface area affect...

In this experimental design and homeostasis worksheet, students complete 20 sentences with key terms about designing experiments, gathering data, graphing data and determining controls. They also complete sentences about homeostasis and...

Students explore the concept of paleoclimatological proxies.  In this paleoclimatological proxies lesson, students explain isotope ratios in deep water coral samples.  Students write a paragraph about global climate change as...

Students explore the porosity of soil. In this soil lesson, students conduct an experiment which shows the porosity of different types of soil. They use sand, silt, and clay to see how soil particles are more or less aerated and thus...

Students build a model rocket. In this model rocket lesson, students explore a rocket launch cycle. Students investigate the laws of physics for each part of the launch. Students build model rockets and launch at school.

Students conduct an experiment to observe oxidation. In this chemistry lesson, students explain how rusting happens. They rank metals according to their conductivity.

Learners explore the evolution and features of bacteria through a series of activities. In this biology activity, students collect data and graph bacterial growth. They design a brochure about bacteria's role in society.

Students determine their respiratory rate and explore the factors that affect breathing rate.