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

In 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.

For 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, students 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, young scholars balance equations. This worksheet has 22 chemical equations to write out and balance.

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

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 instructional activity, 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....

In this elements and bonding activity, 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.

Students 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 the...

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...

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

Students explore the porosity of soil. In this soil activity, 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...

Learners build a model rocket. In this model rocket lesson, students explore a rocket launch cycle. Learners 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 instructional activity, students explain how rusting happens. They rank metals according to their conductivity.

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

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

Students participate in activities that familiarize them with what Earth Day is, why it is important, and why it is a celebration.

Identify strategies that prevent food-borne illnesses and contamination. National Standard 14.4.1 Identify food-borne illness Identify types of food-borne illness and their symptoms: botulism, e-coli, hepatitis, salmonella, staphylococci...