Ducksters
Ducksters: Biography for Kids: Scientist: Isaac Newton
Investigate Isaac Newton's biography on this site. Learn how he was a scientist who discovered gravity, the three laws of motion, and calculus. He is considered one of the great scientists in history.
Ducksters
Ducksters: Physics for Kids: Motion Glossary and Terms
Kids learn about glossary and terms in the science of physics and motion. Definitions for words such as momentum, force, work, energy, gravity, scalar, vector, power, and more.
Ducksters
Ducksters: Physics for Kids: Gravity
Kids learn about the science behind gravity, the mysterious force of planet earth including why it is important, what is weight, and fun facts. What is gravity?
Science and Mathematics Initiative for Learning Enhancement (SMILE)
Smile: Potential Energy: How Is It Related to Kinetic Energy
After creating three different ramps with various heights, students will release toy cars from the tops of each ramp. Based on the elementary age level, students will collect data and analyze it.
Lawrence Berkeley National Laboratory
Berkeley Lab: Four Fundamental Interactions
Discussion of the four fundamental forces of nature: strong interactions, weak interactions, gravity, and electromagnetism.
Mocomi & Anibrain Digital Technologies
Mocomi: What Is Gravity?
Investigate what keeps us grounded and who spent a lot of time studying its details. How does gravity impact plant growth?
Science Fun for Everyone
Science Fun: Egg Drop
Learn about inertia with this egg drop science experiment. Try not to crack too many eggs!
Bill Nye
Bill Nye: Penny Droplets
Try this at-home science experiment to learn about the forces of gravity, cohesion, and adhesion.
Bill Nye
Bill Nye: Falling for Science
Try this at-home science experiment to learn about acceleration due to gravity.
Bill Nye
Bill Nye: Barometer in a Bottle
Try this at-home science experiment to learn how to build your own barometer.
Bill Nye
Bill Nye: Twistin' Tornado
Try this at-home science experiment to learn how to make a tornado in a bottle.
Bill Nye
Bill Nye: Orbiting Marbles
Try this at-home science experiment to learn how Earth's gravity pulls an object so that it's constantly changing direction.
Bill Nye
Bill Nye: Weightless Clothespin
Try this at-home science experiment to learn that that astronauts fly around in space because they are weightless.
Science and Mathematics Initiative for Learning Enhancement (SMILE)
Smile: The Center of Mass
This site from the Illinois Institute of Technology provides a lab activity in which students determine the location of the center of mass of an irregularly shaped object. Observations are related to the balancing point of the object....
Science and Mathematics Initiative for Learning Enhancement (SMILE)
Smile: Center of Gravity Lab
This Illinois Institute of Technologysite provides a lab activity in which learners find the center of gravity of a box which has nonuniform weight distribution. Complete with directions and discussion questions; answers provided.
PBS
Pbs Teachers: Weightlessness Experiment
Demonstrate how water and a cup fall at the same rate of speed.
Other
Dinosaurs' End, the Gravitational Hypothesis
The author of this site feels that there are too many problems with the current theories for why dinosaurs became extinct. He believes that his gravitational hypothesis is the correct answer, the dinosaurs suddenly got too heavy.
Concord Consortium
The Concord Consortium: Molecular Workbench: When a Ladder Falls
View an animation of a ladder falling due to the force of gravity.
NASA
Nasa: Wilkinson Microwave Anisotropy Probe (Wmap): The Milky Way
Description of the three major components of the Milky Way galaxy as well as images and resources for further reading.
NASA
Nasa: The Rocket Motor
An online version of a book pertaining to task of launching rockets into space and subsequently navigating them through space. The first several "chapters" (pages) describe the influence of gravity on Earth and the barriers which it...
Curated OER
Georgia State University: Gravitational Potential Energy
This site from Georgia State University Physics Department defines and explains the concept of gravitational potential energy. Uses many equations and graphics to illustrate the idea. Provides an online computational practice set with...
Curated OER
Npr All Things Considered: Hunting for Gravity Waves
A report on US attempts to detect the "gravity waves" that Einstein predicted. Laser Interferometer Gravitational-Wave Observatories in Louisiana and Washington, looking for "Tremors in the fabric of space-time," are described in words...