Students find the different ratios of a right triangle. In this geometry lesson, students apply the concept of the Pythagorean theorem as they identify the different angles and parts of a Unit Circle. They find the ratios of sine,...

Utilize this segment highlighting President Barack Obama's reversal of the decisions the Bush Administration regarding stem cell research in the classroom. March 10, 2009.

A useful listing of definitions of terms used in reporting about stem cell research.

Explains how to create a stem-and-leaf plot from a data set. Demonstrates how to format a clear stem-and-leaf plot.

Research the science and controversy around stem cell research and evaluate, defend or attack President Bush's ruling on federal spending regarding this issue. Create brochures to display knowledge and point of view.

A stem and leaf plot displays numerical data by splitting each data point into a "leaf" (usually the last digit) and a "stem" (the leading digit or digits).

Information about the different types of plant stems and their function.

Resource contains very brief information on the stems of a plant. The information is set up in a very easy to understand format. Great for younger ages.

Describes the herbaceous stem. Contains a link to information on woody stems.

Do you ever wonder what happens when a cloud gets too full? Find out in this easy and fun experiment.

Students will analyze data from an air pollution study as well as facts about air pollution and use the data as evidence to infer the effect of using natural resources on the atmosphere and on public health.

In this lesson, students will explore interactions between a population and the environment as they learn about why so many American white pelicans spend the spring and summer on Gunnison Island in the Great Salt Lake.

This site shares a collection of expert and peer-vetted teacher resources that are searchable for teachers and students. Searching can be achieved via a subject, grade, audience, and/or type. Curricula standards for the following subjets...

Create a creature that uses air to create motion with this challenge. Site includes tips, lesson plans, and a place for students to document their design process.

Build a machine that accomplishes a task in an inefficient way with this Rube Goldberg challenge. Find some tips and a place to document your engineering process on this site.

Using cardboard, popsicle sticks, rubber bands, and strings create a pine cone that opens and closes. This site contains lesson plans, tips, and a place for students to document their engineering design process.

Build a zoetrope machine where you can animate a facial expression and the machine plays the animation back with this site. Site contains lesson plans, tips, and a place to document your design process.

Using common household materials students are challenged to make a flying raptor and control its flight with attached strings. Site includes lesson plans, tips, and a place for students to document their process.

SciGirls has the bold goal of changing how millions of girls think about science, technology, engineering and math -- or STEM. Each half-hour episode highlights the processes of science and engineering, following a different group of...

The Advanced Data Grapher can be used to analyze data with box plots, bubble graphs, scatterplots, histograms, and stem-and-leaf plots.

[Free Registration/Login may be required to access all resource tools.] Discusses plants, their needs, and their importance, and describes the structure and function of roots, stems, and leaves.

[Free Registration/Login may be required to access all resource tools.] Discusses plants, their needs, and their importance. The structure and function of roots, stems, and leaves are covered as well.

Dedicated to educating the world about engineering, and promoting engineering concepts and projects, Engineering UK inspires people at all levels to pursue careers in engineering.

In this activity, you will be able to observe the oxygen production in leaves by doing a floating leaf disk experiment. You can also find out how quickly plants produce oxygen, and what variables affect photosynthesis.