Students identify the various parts of the body that serve as wedges and levers, identifying the fulcrum for each body lever. They bite into carrots and apples to analyze how their jaws and teeth work, then complete three worksheets that...

Young biologists identify parts of the body that serve as wedges (teeth and fingernails), and as levers (jaw, arms, and legs). The hands-on activities described here should be exciting for learners to perform, and should also lead to a...

Seventeen pages of material leave you well-prepared to carry out this lesson on levers and pulleys. Photos and diagrams make the instructions clear; resource links provide additional information. The missing aspects of this teacher's...

Students investigate lever systems in the human body and compare arm anatomy to model.  In this human levers instructional activity students graph and analyze their results.

Students examine how muscles can work together with joints.  In this movement lesson students use a marionette to observe how muscles work. 

Students explore tools. In this tool activity, students see how tools and machines were invented to help people work easier. They see different types of simple machines such as wheel and axle, lever, and wedge. 

Student is introduced to the concept of energy as a common factor among all things. They list three fossil fuels and describe how fossil fuels were formed. They then tell how much plant debris it took to form one foot of coal.

Students use common materials to build a car. In this car building mechanical engineering lesson, students build a car using a milk cartoon and plastic wheels. They discuss what mechanical engineers do and what makes a car run.