PBS
Pbs Teachers: Submarine Race Experiment
Balance the force of gravity with the force of the expanding gasses created by mixing baking soda and vinegar. Create a soda bottle submarine that sinks to the bottom of the bathtub and then rises back to the surface.
Exploratorium
Exploratorium: Science Snacks: Take It From the Top
Students defy gravity by stacking blocks in different ways in this exercise. Other projects are linked to this lesson as well.
Physics Aviary
Physics Aviary: Force Gravity Bucket Lab
This lab was designed to allow students to collect data for the Force Gravity vs. Volume lab for materials and locations that we cannot do in the classroom. Students will fill the bucket to different levels and record the force on the...
E-learning for Kids
E Learning for Kids: Science: Pirates: What Are Some Forces Around Us?
Covers the meanings of force, friction, and gravity, and the differences between magnetic and elastic spring force, and between weight and mass. The effect of air resistance on an object's motion is also touched upon.
Exploratorium
Exploratorium: Structures Around the World
How does that bridge stay up? What are the forces acting on that column? This site helps students understand how structures can be built by having them build their own. Also provides images of real structures for kids to compare with...
Science Education Resource Center at Carleton College
Serc: Mn Step: What Makes Things Move?
In this activity, young scholars will learn about push and pull forces that make things move. They will also practice using position words to describe location. To learn about forces, they will move objects, observe the movement of...
Discovery Education
Discovery Education: Physical Science: Gravity Gets You Down
In this instructional activity, young scholars make predictions about falling objects of different sizes and masses to learn about gravity and air resistance. Includes audio vocabulary list and extension activities.
Wikimedia
Wikipedia: Centripetal Force
Wikipedia's site on centripetal force provides a section explaining the difference between centripetal force and centrifugal force. Includes formulas and hyperlinked terms.
Science and Mathematics Initiative for Learning Enhancement (SMILE)
Smile: Measuring the Gravitational Constant, G
A demonstration/lab idea for determining the numerical value of the universal gravitation constant using a torsion balance.
MadSci Network
Mad Scientist Network: How Can a Gyroscope Defy Gravity
Explanation of the seemingly gravity-defying feats of a gyroscope. Focuses on the reason behind its operation. Includes illustrations.
Physics Aviary
Physics Aviary: Practice Problems: Universal Gravity Problem
Students must find out the strength of the gravitational force between two spherical objects based on the size, density and distance between centers.
Physics Aviary
Physics Aviary: Practice Problems: Gravitational Force on a Kuiper Belt Object
Students must find out the strength of the gravitational force on a ship that is at rest on a Kuiper Belt Object (KBO).
Physics Aviary
Physics Aviary: Practice Problems: Gravitational Force on Satellite
Students must find out the strength of the gravitational force that acting on a satellite at a certain distance from a body's surface.
The Wonder of Science
The Wonder of Science: 5 Ps2 1: Earth's Gravitational Force
Create lessons on Earth's gravitational force with this site that includes work samples, phenomena, assessment templates, and videos.
Physics Aviary
Physics Aviary: Practice Problems: Spring Constant From Force Data
Students must find the value of the spring constant and the original length of a spring based on data that was collected from stretching a spring different amounts using a force probe.
Physics Classroom
The Physics Classroom: Mathematics of Satellite Motion
The mathematics associated with the motion of satellites is described. Equations (for period, velocity, acceleration and force) are stated, symbols described, and sample problems solved. Includes five practice problems with solutions and...
Soft Schools
Soft Schools: Physics Quizzes: Universal Gravitation
Assess your understanding of Newton's Universal Law of Gravitation with this interactive multiple choice quiz. Immediate feedback is provided.
University of Southern California
University of Southern California: Ocean Currents and Climate
The climate of our planet is greatly affected by Earth's oceans. Learn here about the different oceanic currents and the role those currents play on climate.
BBC
Bbc: Gcse Bitesize: The Life Cycle of a Star
This lesson focuses on the formation and life cycle of stars. Stars form when enough dust and gas clump together because of gravitational forces. Nuclear reactions release energy to keep the star hot. Some stars grow larger over time....
The Wonder of Science
The Wonder of Science: Ms Ps2 4: Gravitational Interactions
Help plan lessons that will facilitate students learning about interaction of objects due to the gravitational interactions that are attractive and depend on the masses. Included on site are work samples, phenomena, assessment templates,...
Khan Academy
Khan Academy: Start: How Do Computers Simulate the Motion of Virtual Particles?
In this lesson we'll explore how we use fairly simple physics to draw particles which move according to the forces we feel in the real world (such as wind & gravity).
Concord Consortium
The Concord Consortium: Molecular Workbench: Rolling Down an Inclined Plane
Experiment with gravity as a variable to observe the effects of gravity on an object rolling down an inclined surface.
Other
Fermi Laboratory:how Strong Is the Strong Force?
Use this site to learn about the four forces of nature. Also learn what determines the strength of a force. This question and answer site is a link of the Fermi National Accelerator Laboratory.
PBS
Pbs Nova: Relativity and the Cosmos
This well-written explanation of relativity includes animations and pictures which may be helpful in understanding a tough topic.
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