Students discuss the solar system, the planets, periods of orbit and revolution.  For this space lesson students discuss the importance of the study of Mars and brainstorm ideas on how NASA might solve its Rover design problem. 

Twelfth graders consider the survival of prairie plants. They examine how some tallgrass prairie species are adapted to the conditions of their ecosystem. They make a prediction of how a species might change given new conditions.

Students examine how society depends on petroleum products. They determine how technological advances have improved the ways these products are obtained, found, and transportation.

Young scholars conduct a variety of experiments on photosynthesis. In this biology activity, students identify the factors required for the process to occur. They perform computerized experiments to test the amount of oxygen produced...

Students explain the importance of chlorophyll in plants. In this biology activity, students extract chlorophyll from different plant sources using chromatography. They discover the different factors needed for photosynthesis to take place.

In this experimental design worksheet, students are given a full comprehensive outline for designing an experiment. There are checklists included for each section of the experiment for students to use as a guide for properly completing...

Students listen to books on wind energy for background knowledge. In this wind logic puzzle, students use knowledge of wind energy and critical thinking skills to complete logic puzzles. Students may work in groups or individually as...

Students explore how enzymes are important in the chemical reactions of all living things.  In this enzymes and catalysts lesson students complete an activity to see how enzymes change living things.

Students explore chemiluminescence through various experiments. In this chemistry lesson, students explain the chemical reaction that drives the process. They give real life applications of chemiluminescence.

Students conduct an experiment in which they create open and closed circuits.  In this insulators and conductors lesson, students review open and closed circuits and then get in groups to make both kinds of circuit. ...

Third graders explore the concept of heat transfer as experienced in wearing winter clothing and analyzing the refrigerator.

Students discover that charge movement through a circuit depends on the resistance and arrangement of the circuit components. In a hands-on activity, students build and investigate the characteristics of series circuits. In another...

Third graders read a thermometer with accuracy, record observations and data, and infer conceptual meaning. They integrate mathematical charting and graphing skills to organize their data. They explore what happens when they touch or use...

Sixth graders design two different solar ovens to learn about heat transfer. They investigate the movement of heat between objects by conduction, convection, and radiation. They become aware of things they can't control, like the...

Learners learn about Rube Goldberg machines (complicated devices designed to accomplish simple tasks and then design and build a machine that uses more than six separate steps to move an empty aluminum can. They can either work...

In this organic chemistry practice learning exercise, students solve twelve problems regarding organic molecules. They draw mechanisms for reactions, they predict products for reactions, they label stereocenters and they identify...

Students construct their own battery made of lemons. In this electrochemistry lesson, students explain why lemons conduct electricity. They perform a series of experiments to investigate its conductivity.

Students explore the nature of electromagnetic spectrum through a series of experiments. In this physics instructional activity, students determine how light behaves under certain circumstances. They explain how humans perceive colors.

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

Young scholars create a sustainable, self-contained ecosystem in a ten-gallon aquarium.

List the recommended dietary guidelines and explain their function and implementation. (The guidelines are listed below) National Standards 14.3.1 Aim for fitness Aim for a healthy weight Be physically active each day

Students explain the process of conduction using a molecular explanation, and explain how different materials conduct at different rates.

Students consider global warming and the greenhouse effect, then explore how these issues affect other countries. They graph findings and write papers considering how continued usage can affect the future of the atmosphere and the global...

Third graders define and discuss evaporation, precipitation, condensation, and collection, color web pages to illustrate Water Cycle book, listen to stories about Water Cycle, play trivia game to demonstrate knowledge of what they...