Eukaryotes include humans, animals, and plants. Scholars learn about the parts of eukaryotic cells. They design models of a store and match the correct function of each part to the function of a part of the cell. They review their...

Fifteen detailed pictures and informative captions delve deep into the exploration of stars—their life cycle and importance in the universe. 

The Burmese python is on the loose ... and he's hungry! Illustrate the differences between causative and correlative relationships through an inquiry lesson. Pupils examine several sources of information to determine if there is a...

Compare sizes of microscopic items. Given a set of labels of microscopic objects, pupils try to place them in order from smallest to largest. Scholars then compare their lists to the actual comparisons along with the measurements of the...

A small little ant can have a large impact on its ecosystem. Young researchers explore the different species that live in a plains ecosystem. They find the characteristics of several species and then compare species to determine how...

Step right up! An engaging research-centered instructional activity, the third in a series of six, has young archaeologists study the amazing animals of the Cambrian explosion. Working in groups, they profile a breathtaking and odd...

Due to the isolation of seamounts, their biodiversity offers a great deal of information on the development of biological and physical processes. Pupils use simple cluster analysis to rate the similarity and differences in biological...

Are you one of the 100 million Americans whose ancestors passed through the doors of Ellis Island? Learn about the historic entry point for immigrants in the late 19th and early 20th centuries with an informative reading passage. After...

Explore the water cycle in an interactive diagram of the process. The diagram shows how water is a moving system and constantly changing forms. The resourc includes vocabulary words that pupils click on in order to discover more about...

The 20th installment in a series of 36 focuses on the characteristics of the p-block elements. Learners discuss, read about, and answer questions pertaining to the occurrence of these elements in nature, their electron configurations,...

Class members explore the carbon cycle in the final installment of the 10-part Discover Your Changing World series. They play a simulation game where they walk through the steps carbon takes as it cycles through the different layers...

Boost observational skills with an inquiry-based lesson that takes scholars on a virtual field trip. With help from webcams, learners observe animals in a zoo or aquarium. Observations go into a journal and a discussion is held to review...

The greenhouse effect is important, for without it, life on Earth would not exist. An activity that includes modeling the greenhouse effect and acting out the Earth's energy balance makes up the first part in a series of seven...

Would you believe that your digestive system stretches to five times your height?! Help your pupils to understand this relationship as they work through the laboratory exercise. The first instructional activity of a 12-part series is a...

It's not easy to measure the weather. Pupils learn about what all weather has in common—the atmosphere. Scholars discover how a meteorologists must be able to measure aspects of the atmosphere and decipher the data. They then create a...

In this lesson, Pumpkins-Life Cycle of a Plant, students study the life cycle of a pumpkin. Students will analyze the pumpkin and how it goes from seed to pumpkin over a three days of activities. Students sing a song teaching them about...

For this life science worksheet, high schoolers complete a crossword puzzle given eight clues about and a word bank about cloning, evolution, the human brain, photosynthesis and the respiratory system.

In this life science GED activity, learners complete a crossword puzzle given 9 clues about structures of the nervous system, the circulatory system, evolution, the digestive system, molecules and fossils. Students are given a word bank...

Note the way that plants change during the season by adopting a plant on your school campus. After your class chooses their plant, they research the plant's needs, how it differs from other plants, find ways to support their plant's...

As physics masters view this presentation, they learn how nuclear power is used in submarines. They use Google Maps to plot a course through the ocean and calculate the time required for surfacing and traveling. They learn about fission,...

Have you ever tried to find hidden items in a picture when you don't know what you are looking for or how many things are hidden? A lesson applies that same concept to sampling the deep sea habitats. Participants must first create a...

At one point, all mammals carried only two color receptors, but now most humans carry three. An informative presentation and hands-on activity demonstrate how this evolved through genetics. By participating in the activity, pupils...

High Schoolers observe the paintings and drawings of Robert Harris, and do a study of the ocean that delves into human and physical geography. Learners make prints, listen to music, create a database, and perform research on a specific...

In session one, demonstrate for your class how a flame eventually goes out when enclosed in a jar in order to teach that oxygen is required for combustion. In session two, class members then burn sugar in a spoon to observe how it...