National Standards
USA- NCTM (Nat. Council of Teachers of Mathematics): Principles & Standards for School Mathematics
Level: Grades 6–8Topic: Algebra
Instructional program descriptor: Represent and analyze mathematical situations and structures using algebraic symbols
Expectation: develop an initial conceptual understanding of different uses of variables;
Expectation: use symbolic algebra to represent situations and to solve problems, especially those that involve linear relationships;
Expectation: recognize and generate equivalent forms for simple algebraic expressions and solve linear equations.
USA- National Science Education Standards
Science Content Standards
Grade Level: 5-8
Content Standard D: Earth and Space Science: As a result of their activities in grades 5-8, all students should develop an understanding of
Earth in the solar system
Detail: The earth is the third planet from the sun in a system that includes the moon, the sun, eight other planets and their moons, and smaller objects, such as asteroids and comets. The sun, an average star, is the central and largest body in the solar system.
Science Content Standards
Grade Level: 9-12
Content Standard D: Earth and Space Science: As a result of their activities in grades 9-12, all students should develop an understanding of
Origin and evolution of the earth system
Detail: Interactions among the solid earth, the oceans, the atmosphere, and organisms have resulted in the ongoing evolution of the earth system. We can observe some changes such as earthquakes and volcanic eruptions on a human time scale, but many processes such as mountain building and plate movements take place over hundreds of millions of years.
Content Standard B:Physical Science: As a result of their activities in grades 9-12, all students should develop an understanding of
Motions and Forces
Detail: Objects change their motion only when a net force is applied. Laws of motion are used to calculate precisely the effects of forces on the motion of objects. The magnitude of the change in motion can be calculated using the relationship F = ma, which is independent of the nature of the force. Whenever one object exerts force on another, a force equal in magnitude and opposite in direction is exerted on the first object.
Detail: Gravitation is a universal force that each mass exerts on any other mass. The strength of the gravitational attractive force between two masses is proportional to the masses and inversely proportional to the square of the distance between them.








