Details
| Type of Product: |
Science Object |
| Publication Title: |
Gravity and Orbits |
| Publication Date: |
11/1/2006 |
| Grade Level: |
Elementary School, Middle School, High School |
|
Description
Science Objects are two hour on-line interactive inquiry-based content modules that help teachers better understand the science content they teach. This Science Object is the second of three Science Objects in the Gravity and Orbits SciPack. It investigates the variables that influence gravitational forces acting on objects. Mass is a measure of the amount of matter that makes up an object (regardless of where that object is located) and weight is a measure of the gravitational force acting on an object. The strength of the gravitational force between masses is proportional to the product of the masses and inversely proportional to the square of the distance between them. Gravity will cause all objects at the same distance from Earth’s surface to fall toward Earth with the same acceleration regardless of their mass.
Ideas For Use
Science Objects are two hour learning experiences teachers can use to enhance their understanding of a particular scientific concept. Teachers can access any topic “on demand” from the Internet. Topics are based on the science literacy goals in the national standards (NSES, Science for All Americans, Benchmarks, and the Atlas of Scientific Literacy) and tied to state standards.
Each Science Object provides an understanding of the science content by providing a structured set of learning experiences through simulations and practice assessments. Science Objects challenge teachers to explore and explain real world phenomena and are founded on the principle that learners must be challenged with a problem, observation, data, etc., in order to develop scientific understanding. Science Objects utilize the five phases of inquiry-based learning: Engage, Explore, Explain, Elaborate, and Evaluate.
Learning Outcomes:
Gravity and Orbits: Gravitational Force
- Identify variables that affect the strength of the gravitational force acting between any two objects.
- Provide a quantitative description of the relationship between the mass of two object and the gravitational force between them.
- Provide a qualitative description of the relationship between the mass of two objects and the gravitational force between them.
- Provide a quantitative description of the relationship between distance and gravitational force.
- Provide a qualitative description of the inverse square relationship.
- Recognize the effect of air resistance on object falling near Earth’s surface, and thus be able to explain why two objects with different masses, at the same distance from Earth’s surface, will have equal accelerations if air resistance is ignored.
Additional Info
|
Science Discipline:
(mouse over for full classification)
|
Acceleration
Gravity
Mass
Newton’s laws of motion
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| Intended User Role: | Elementary-Level Educator, High-School Educator, Middle-Level Educator, Teacher |
| Educational Issues: | Inquiry learning, Learning theory, Professional development, Teacher content knowledge |
Technical
| Resource Format: | application/x-shockwave-flash, audio/mp3, image/gif, text/html, video/quicktime |
| Installation Remarks: | Run the Science Objects System Check to ensure that your system is capable of viewing the simulations: http://ecommerce2.nsta.org/system_check/ |
| Requirements: | Requires Macromedia Flash Player and Apple Quicktime Player |
National Standards Correlation
This resource has 6 correlations with the National Standards.
[HIDE CORRELATIONS]
- Physical Science
- Motion and Forces
- Gravitation is a universal force that each mass exerts on any other mass. (9-12)
- 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. (9-12)
- Between any two charged particles, electric force is vastly greater than the gravitational force. (9-12)
- Process Standards for Professional Development
- Research-Based
- Address teachers' needs as learners and build on their current knowledge of science content, teaching, and learning. (NSES)
- Design
- Introduce teachers to scientific literature, media, and technological resources that expand their science knowledge and their ability to access further knowledge. (NSES)
- Learning
- Build on the teacher's current science understanding, ability, and attitudes. (NSES)
State Standards Correlation
Use the form below to view which of your state standards this resource addresses.
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