Examine the use of photolithography in the fabrication of circuit boards and other components. An advanced activity teaches pupils a process for transferring a pattern onto a surface. Using UV light and a light reactive substance,...

Up, down, back, and forth. When you make a pendulum out of a spring, there's a lot to observe. Aspiring masters of motion examine the combined kinetic energies of spring and pendulum motion using a detailed interactive. Learners observe...

Learning about the mole using rice is pretty nice! Help your chemistry scholars visualize the concept of a mole of substance with an easy-to-perform lab. Partnered pupils find the mass of a single grain of rice and relate this...

How has human activity affected Earth's watersheds? An action-packed lesson plan, part of the K20 Center, examines water's ability to go with the flow regardless of what is in its path. Scholars build model watersheds, examine time-lapse...

We know plants assist in the water cycle, but how do plants get water from the ground into the air? Through a series of demonstrations or labs, scholars observe the movement of water through plants. They microscopically view the cells...

Ever wonder what really goes on inside a clarinet? Show your young scientists the physics of open-end air columns through an easy-to-use interactive. Learners examine the features of standing waves and calculate frequency and length in a...

A classic experiment that stumped scientists for years grabs the attention of young scholars. A slideshow presentation explains the experimental discovery of RNA interface. The lesson goes on to explain in detail the function of RNA...

Calculate the speed of the International Space Station. By reading the article, pupils learn about the concept of orbits. Scholars work through a formula to determine how fast the International Space Station is traveling to stay in...

Young scholars analyze atmosphere and light. In this earth science lesson, students are introduced to an investigation about why the sky is blue. Young scholars complete a WebQuest to answer the question.

Young scholars discover how doctors custom fit prescription drugs to patients. For this health science instructional activity, students explain the risks associated with drug abuse. They discuss common myths about prescription drugs.

Students answer the question, "Why do Eskimos build houses out of ice to keep warm. Since heat goes from hot to cold, don¿¿¿t the ice walls take away the warmth inside the house?" They explain how snow or ice can actually be insulators.

Students brainstorm a list of science discoveries and inventions that they think are important. They work in small groups, students examine 1-3 science discoeries more closely. Each group needs a recorder, and they answer three...

Second graders discuss what weather is and list words that can be used to describe weather. In this science instructional activity, 2nd graders develop symbols for each type of weather and record the weather for two weeks at the same...

Third graders compare and contrast the physical features of parents and offspring. In this life science lesson, 3rd graders classify a set of animal pictures according to their similarities. They share and explain their work in class.

Students research about different human space explorations conducted by NASA. In this physical science lesson, students discuss why space exploration is important. They write a paper about their thoughts on continuing NASA's space...

Students analyze 5 separate theories of evolution in order to help them explain the different meanings of theory, how human values influence science, and that the scientific view of the origin of life does not involve supernatural forces.

In this mutual inductance learning exercise, students answer 12 questions about electric currents, voltage, magnetic coupling, and magnetic flux as they relate to inductance.

Students examine a coastal ocean. In this physical science/earth science lesson, students generate a list of questions about how researchers study the ocean. In addition, students investigate, through research on the computer, to answer...

Students consider how their food is grown due to pesticide use. They reflect on the harm done to the various groups, then discuss the ethical questions from the perspectives of different stakeholders. IN addition, they compile relevant...

Students conduct experiments to determine the effectiveness of polystyrene containers at preventing heat loss. In this polymers lesson, students design an experiment to determine how effective Styrofoam burger containers are at...

Students observe an experiment.  In this science lesson, students watch an experiment where baking soda and vinegar are used to blow up a balloon.  Students answer comprehension questions about the experiment.

In this arc flash and arc blast worksheet, students answer ten questions about the conditions that lead to arc flashes and arc blasts. They describe each and explain how to protect from these occurrences.

In this electrical worksheet, students design and build a op-amp model to show understanding after answering a series of 18 open-ended questions that include analyzing schematics. This worksheet is printable and there are on-line answers...

Students study fire management. In this science lesson, students recognize and understand what they think would be the most responsible and appropriate actions to take in regards to fire managment.