Students observe seeds growth and examine the different parts of the seedling. In this biology activity, students compare the growth of seeds planted in soil and in hydroponics. They record their observations in their science journal and...

This in-depth organic chemistry lab walks learners through an investigation of the effect of initiator concentration on the resulting molecular weight of polystyrene. It is important that you use this lesson with experienced chemistry...

A beautifully designed, eighteen-page chemistry tutorial awaits your learners. The main topics: enthalpy and entropy. By completing this lesson, students will be able to define these concepts, determine whether each is increasing or...

Looking for authentic hands-on nutritional experiments? High schoolers will perform experiments to test for the presence of vitamin C in several solutions as well as the effect of caffeine on Daphnia. They will also consider the...

Once investigators have learned how their mystery liquids interact with water during the preceding activity, they now use their observations to identify them. This is an ideal conclusion to the mini unit on the properties of water. 

Blue-tinted water is added to unknown liquids that have been tinted yellow to find out how they interact. This is a memorable activity that is part of an investigation on the properties of liquids, which is part of a unit on the...

Looking at evolution in detail, this thorough worksheet has complex questions requiring details and explanations of natural selection and diversity. Various examples of biological characteristics are available, and students choose the...

Combine art and science with this fabulous lesson plan where your class will create solar-powered artwork! They will create a cyanotype, using photo-sensitive paper, sun, and water. A list of necessary materials is provided.

Learners compare their perceptions of risk to the perceptions of scientists and risk professionals. in small groups, they evaluate risks on a scale of 1 to 10 for the average American on a yearly basis.

Students gain an understanding of how systems and organs in the human body work. They create their own fictional account of a trip through the human body, and describe one response the body makes to stimuli.

Students determine

A thorough investigation of cell transport is provided when completing the assignment. The first half requires biology class members to answer questions about diffusion and osmosis with the aid of diagrams. Then they fashion an...

In a comprehensive role playing activity, teens play the parts of different stakeholders in the realm of acidic oceans. They research, debate, and create a presentation from the perspective of either ocean organisms, the fishing...

Through a PowerPoint presentation and the embedded animation and video, earth science enthusiasts find out about the moisture in the soil beneath our feet. In the animation, follow a water molecule on its path through the water cycle. As...

Energy conservers investigate gravel size to discover if it impacts the amount of oil recovered in the extraction process.