Students describe how plants and animals depend on each other. They see how living and nonliving environments change over time. They identify ways in which humans have changed their environment and the effects of those changes.

Learners design and build a working catapult or trebuchet to explore the concepts of force, motion, and distance.

Students examine the different body systems and how they are interdependent on each other.  In this body systems lesson students draw the body and its parts. 

Students observe each season and and mark the colors they see.  In this colors of the seasons lessons, students read The Mystery of the Missing Hummingbirds and compare their results and note variations of colors in the different...

In this human biology interactive learning exercise, students answer 13 questions based on their knowledge of the human body. There are eight multiple choice questions and five fill-in questions.

In this interactive human biology worksheet, students read ten riddles about body parts and type in the appropriate name of the body part the riddle is describing. Students also answer a nine word crossword puzzle that focuses on the...

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 take an inventory of their own easily-observable genetic traits and compare those inventories with other students in groups. They then make data tables and bar graphs showing the most and least common traits in their group.

Students describe vertebrates in terms of observable body parts and characteristics and describe life cycles of familiar organisms. They identify familiar organisms as part of a food chain or food web and describe their feeding...

In this biology activity, students identify and describe a number of easily observable genetic traits and compare the traits they have with other students. Then they identify and describe that some traits are common while others are not...

In this biology worksheet, students track and record the passage of colored pom pom traits through three generations of ginger-bread people. Then they describe that traits are passed from parents to offspring and that siblings may or may...

Students explore how Maglev trains work. In this technology lesson, students discuss the pros and cons of Maglev compared to conventional trains. They build a simple Maglev train model.

Learners identify the signs that a chemical reaction took place. In this chemistry lesson, students role play the movement of different molecules of matter. They classify matter according to their properties.

Students come to understand that in sexually reproducing organisms, such as humans, typically half of the genes come from each parent. Students examine a fictional pedigree and determine which gene is responsible for a given trait. The...

Third graders study the habits and habitats of ants. They research the use of technology as a valuable investigation tool and access other web sites for future research projects. The students make successful decisions while playing SimAnt.

Students construct their own diorama based on the life of a dinosaur. In this dinosaur lesson, students create models of dinosaurs and dinosaurs' eggs to explore the life cycle of this extinct species.

Students conduct various experiments on tropism. In this biology lesson, students explain how gravity affects the growth of plant roots. They identify the different types of tropisms.

Students design a zoo habitat for an animals. For this zoo habitat lesson, students develop an idea for a zoo habitat that would meet the needs of a specific animal. They solve problems that might be encountered by using their knowledge...

Young scholars explore the different phases of a crystal.  In this mineral instructional activity students grow their own sugar crystals using a sugar recipe. 

Students use streaming videos, web sites, and hands on activities students to explore matter. They focus on how temperature affects matter and what the particles look like in the states of matter.

In this native plants at school -- a garden landscape project worksheet, learners design the landscape for a school garden by identifying native plants, creating a presentation and creating a plot plan within the budget.  This page...

Students explore uniform circular motion, and the relation of its frequency of N revolutions/sec with the peripheral velocity v and with the rotation period T, and the "centripetal acceleration" of an object.

Students create instruments to capture different types of insects. In this The Greatest Show on Earth: The World's Smallest Animals lesson, students compare the attributes of certain insects and record the data on a chart. After catching...

Students experiment with mirrors. In this Mirrors and How They reflect lesson, students read how mirrors reflect light. Then students perform over ten experiments and record their conclusions about mirrors and reflection. Students create...