How can you see a number in nature? Here, learners discover both Fibonacci numbers and the golden ratio by exploring a number of different resources.  Note: Some of the resources are older and may be missing some of the links, but...

How do humans get energy since they aren't mechanical and can't photosynthesize? Learners explore this question by relating potential energy in food to human energy levels. Scholars measure the change in mass and a change in...

Students explain scientists' ideas about the structure of the atom over the last century. They develop a pictorial history of the changing ideas about the atom and write a caption describing the scientific thinking behind the model.

Le Chatelier's interest in thermodynamics and building materials such as cement and plaster led to the Le Chatelier Principle in 1884. Activity 13 in a series of 36 extensively explores chemical equilibrium. Learners read about...

Second graders look at different types of energy. In this energy lesson, 2nd graders define energy and the difference between kinetic and potential energy. They see examples with falling books and a slinky.

Is your class in the dark about photosynthesis? Shed some sunlight on an important biological process with a thoughtful activity. After answering questions to help determine their level of knowledge, learners work with chemical equations...

Students investigate the effects of air pressure on humans by utilizing the Internet.  In this physical science activity, students research the Internet to discover altitude sickness and air pressure.  Students prepare against...

Fourth graders make observations of the reactions that happens between calcium carbonate and various liquids. During the experiment the students determine if there is a chemical change, a physical reaction, or no reaction when they mix...

Seventh graders describe and conduct an experiment that identifies the physical properties of light. They explore sources of visible light and an electromagnetic spectrum. Students explain the conversion of one form of energy to another.

Students use a simple physical model of the Earth, sun, and moon to understand why the moon changes phases from the perspective of Earthly observers. They hold up balls representing the moon in a room with a single light source to see...

Middle schoolers experiment with common household products to determine the properties of emulsions and how they fit into the classifications of matter through this series of lessons.

In this chemistry review worksheet, students answer a variety of questions about matter, elements, the kinetic theory, chemical and physical properties and the distillation process. They complete a concept map about matter.

Third graders investigate Newton's law of Motion.  In this chemical reaction lesson, 3rd graders participate in an experiment with rockets to study Newton's law. Students observe the effects of a chemical reaction made by combining...

Ninth graders discover the reasoning behind spraying water on fruit and seedlings in preparation for hard freezes. In this conceptual physics lesson, 9th graders conduct an experiment to measure the heat released when water goes from a...

Pupils differentiate physical and chemical changes. In this chemistry lesson, students give examples of each type of change. They take the review quiz at the end of the lesson.

Eighth graders are introduced to the topic of Environmental Chemistry. In groups, they review the steps within the scientific method and develop their own hypothesis and design an experiment. They solve equations related to the...

Students observe and record the changes they see when adding heat and cold to objects. In this changes lesson plan, students experiment with different objects and see if heat and cold change the makeup of the object. They then record...

In this physics worksheet, students determine the density of irregular solids using water displacement method to complete 7 problems and short answer questions.

What does size have to do with it? Learners analyze different mixtures, both homogeneous and heterogeneous, to discover the properties related to the size of their particles. The activity connects these properties to those of...

Force acts on objects in mysterious ways ... until now! A comprehensive presentation explains the balance of forces acting on objects. Learners draw free body diagrams to show these invisible forces and make force calculations.

Assist your high school class with researching and applying the principles of gravity so they may further understand why Einstein is so widely recognized, even today. Individuals compare and contrast two different models that demonstrate...

Teaching is a balancing act! Keep things on an even keel with a comprehensive equilibrium lesson plan. The resource covers reversible and irreversible reactions, Le Chatelier's Principle, and the industrial applications of equilibrium...

Sixth graders describe the relationship between the people of Africa and their environment. They examine the climate, economy and inhabitants of this land. Using maps graphic organizers and writing a report, 6th graders demonstrate how...

Students identify Newton's Laws of Motion. They students explore Newton's Laws of Motion and apply the second law with a classroom activity. The videos will provide visual examples of the effects of gravity while riding on a roller coaster.