Once absorbed into our bodies, lead can have devastating effects on the brain and central nervous system. Learn more about lead poisoning in this short video.Â  1:32 min.
Author(s): No creator set

Separation of National and State Governments
The United States federal system divides power between national and state governments, both of which govern the same constituents. The powers granted to the national government in the Constitution are called delegated powers. There are three types of delegated powers: enumerated powers, implied powers, and inherent powers. (Video is narrated with slides and speeches.)

Author(s): No creator set

A good comparison between Jefferson and Hamilton about the banking system and other issues under Washington. This is a five minute video well worth showing students.
Author(s): No creator set

Choosing the Correct Algebra Equation For a Given Statement (PSSA Grade 7)
PSSA~ 7th-Grade Math - Algebra. Â The PSSA (Pennsylvania System of School Assessment) is given annually in PA in some grades in K-12. However,Â the example contained in this video appears on many standardized state-mandated tests.Â This is fromÂ the TeacherTube website and gives an Algebra question to solve :
Is the product of 40 and Z equal to 40 less V?
Instructor uses computer software for demonstration.

Author(s): No creator set

Determine the Change in Area of Triangle When Length of Base and Height is Doubled (PSSA Grade 7)
PSSA~ 7th-Grade Math. Â The instructor says that you are almost guaranteed to find this geometry problem on the state test. The PSSA (Pennsylvania System of School Assessment) is given annually in PA in some grades in K-12. However,Â the example contained in this video appears on many standardized state-mandated tests.Â This is fromÂ the TeacherTube website. Instructor uses computer software for demonstration.
Author(s): No creator set

Use the Bar Graph to Determine Population (PSSA~ Math 7th-Grade)
PSSA~ Math 7th-Grade -- Bar Graph Question. Â The instructor uses a computer software program to demonstrate how to solve a word problem over bar graphs. Â The PSSA (Pennsylvania System of School Assessment) is given annually in PA in some grades in K-12. However,Â the example contained in this video appears on many standardized state-mandated tests. Â
Author(s): No creator set

Science with Stanley the Skeleton
An animatedÂ story about a friendly skeleton named Stanley who's determined to show the children he's not scary. He goes to a school to teach students the names of all of his bones.Â A musicalÂ video about the skeletal system. Run time 6:52
Author(s): No creator set

Learn Human Body - Skeleton System
Author(s): No creator set

The Metric System
Learn about the relationships between units in the metric system and
how to represent quantities using different units. Estimate and measure
quantities of length, mass, and capacity, and solve measurement
problems.

Author(s): No creator set

What Is a Number System?
Understand the nature of the real number system, the elements and
operations that make up the system, and some of the rules that govern the operations. Examine a finite number system that follows some (but not all) of the same rules, and then compare this system to the real number system. Use a number line to classify the numbers we use, and examine how the numbers and operations relate to one another.

Author(s): No creator set

Number Sets, Infinity, and Zero
Continue examining the number line and the relationships among sets of numbers that make up the real number system. Explore which operations and properties hold true for each of the sets. Consider the magnitude of these infinite sets and discover that infinity comes in more than one size. Examine place value and the significance of zero in a place value system.
Author(s): No creator set

Place-Value Centers
First-graders develop an understanding of the numeration system by
relating counting, grouping, and place-value concepts. Activities
include measuring with Unifix cubes and using base-ten blocks. NCTM
standards: number sense and numeration, measurement, connections.

Author(s): No creator set

Student Diversity Workshop 5
The varied viewpoints necessary for valuable class discussions are
celebrated in this program. The group talks about the diversity of their students and how their interactions with literature are shaped in part by their life experiences, unique thoughts, and previous reading
experiences. They examine the worth of using the lens of multiple
perspectives to examine a work of literature, and offer suggestions for ways to encourage each student to contribute to the ongoing class

Author(s): No creator set

Our Nearest Neighbor: The Moon
Why is the Moon, our nearest neighbor in the solar system, so different from the Earth? In this session, participants explore the complex connections between the Earth and Moon, the origin of the Moon, and the roles played by gravity and collisions in the Earthâ€“Moon system.
Author(s): No creator set

Order Out of Chaos: Our Solar System
Why do all the planets orbit the Sun in the same direction and why are the planets closest to the Sun so different from the gas giants farther out? In this session, participants gain a better understanding of the nature of the solar system by examining its formation.
Author(s): No creator set

Just about everyone will agree that trees are made from sunlight, water, and soil the trees suck up from their roots. But the surprising truth is that trees are made from air! Trees are solar-powered machines that convert air into wood. Why is it that, despite the fact that photosynthesis is one of the most widely taught subjects in science, so few people really under
Author(s): No creator set

How to Keep Score in Tennis
How to Keep Score in Tennis. Part of the series: How to Play Tennis. Scoring in tennis is kept by no-ad scoring and regular scoring.Â  Both types of scoring are based on a four point system. Keep score in a tennis match with tips from a certified tennis pro in this free video on tennis.
Author(s): No creator set

Streamlining Healthcare and Technology
Streamlining Healthcare - X-rays, ultrasounds, CT scans and MRI's are all going digital. Linked electronically in hospitals across Canada this new system is streamlining the patient process and reducing patient transfers, duplicate exams and diagnostics while speeding up access to care. Run time 03:00.
Author(s): No creator set

Inventions of War - the Radar
Which country developed the world's first radar system and when did
they do it? And how did radar research later lead to the invention of a
device found in most modern kitchens? Run time 3:14

Author(s): No creator set

Students create their own character trading cards with the interactive Character Trading Cards tool. Character cards can be used to help students deepen understanding of characters in a book they are reading or as a prewriting exercise for narrative stories. Promp
Author(s): No creator set