Students examine the similarities and differences between weathering and erosion. They participate in a lab in which they test the effects of different materials when exposed to weathering and erosion. They record their observations.

How do people get sick? Youngsters explore the world of germs and microbes with a lab sheet and science investigation. After identifying the unhygenic practices in a picture of a kitchen, fifth graders conduct an experiment with bread...

Why did lightning shock the man? Because it didn't know how to conduct itself. Presentation covers electric charges, insulators, conductors, electroscopes, lightning, generators, grounding, static electricity, and more. Presentation...

Students examine the four forces of flight. In this flight instructional activity, students test to see which types of items will fly. Students make predictions on whether the item will fly or not. Students gain knowledge about lift,...

Your geology class practices taking core samples of a potato to examine the stratigraphy. This is a terrific modeling instructional activity that helps youngsters visualize strata that cannot be seen from the surface of the ground. The...

Learners examine the causes of earthquakes, volcanoes, and floods, and explore how these events shape the surface of the earth. In this erupting volcanoes lesson, students create a volcano model of their own, make observations about...

In this Earth's environment worksheet, students complete a crossword puzzle given 35 clues about a variety of topics related to our Earth. Topics include ecosystems, precipitation, biomes, energy transfer, soil, weathering and rocks.

What does it take to be considered a smart material? Learners investigate the properties of Nitinol, a smart material, through a hands-on lab activity. They examine the crystal lattice structure and the conditions required for Nitinol to...

In this solutions and solubility review worksheet, students are given main ideas about intermolecular forces, concentrations of solutions, molar solutions, ionic equations, solubility rules, acids and bases and titrations. Students...

Three Dog Night isn't just the name of a band; it is also the way an Australian tribe, who used dogs to stay warm, would describe the temperature on a cool evening. After reading about many different ways of measuring temperature, the...

Students view a video clip about suspension bridges. They discover what forces support this type of bridge. They build their own suspension bridge using classroom materials.

Learners examine the characteristics and types of tornadoes. They discuss how they are formed, conduct an experiment with two liter bottles, analyze data and determine mean and median, and design a house to withstand tornado-force winds

Students work together to identify marine debris. They explain the effect of the debris on various ecosystems. They draw different types of ocean currents as well.

In this magnetism worksheet, students read about properties of magnets, permanent and temporary magnets, electromagnets, and magnetic fields. They match 10 terms about types of magnets with their definitions, they draw an electromagnet,...

Students are introduced to the concept of weathering. In groups, they use the internet to research the various types of weathering agents and their effect on different materials. Using photographs, they discuss the role humans play in...

In this plate tectonics learning exercise, students review concepts such as the types of plate boundaries, the concept of continental drift, sea-floor spreading, earthquakes, and plate tectonics. They match 30 terms with their definitions.

Students determine the identity of the three classes of levers while explaining how each works. They wait a video clip that shows uses for different types of levers and work as a class to write a KWL chart. Finally, they make a model fo...

Students perform an experiment with different types of bird eggs to determine what factors make them strong and able to stay on a cliff without rolling off.

For this electricity worksheet, students answer 17 multiple choice questions about electricity, how it is measured, the types of currents, the types of meters and circuits. Students also answer multiple choice questions about protein...

Fourth graders calculate the mechanical advantage of an inclined plane. In this physics instructional activity, 4th graders identify the different types of simple machines and their uses. They give examples of compound machines.

Students are introduced to the environmental hazards their community is facing. In groups, they develop a list of the ways humans have changed the Earth and how these changes have lead to environmental hazards. They record their...

Fourth graders identify the different types of renewable and nonrenewable energy sources. In this ecology lesson, 4th graders create models of wind mills and hydropower. They discuss the pros and cons of using alternative forms of energy.

In this electricity and thermodynamics worksheet, students review the major concepts of both series circuits and parallel circuits, they review types of thermal transfer, they match electricity terms with their definitions, they fill in...

In this kinetic and potential energy learning exercise, students read about energy of position and energy of motion and are given the equations to find each. Students match 11 terms with their definitions about both types of energy and...