CK-12 Foundation
Ck 12: Fourth Grade Science
This customizable digital textbook covers topics related to fourth-grade science. It is Next Generation Science Standards (NGSS) aligned.
Ducksters
Ducksters: Physics for Kids: Theory of Relativity Light and Time
Kids learn about the speed of light and time dilation in regards to the theory of relativity in the science of physics. Also how gravity can change the passage of time.
Science Buddies
Science Buddies: Focusing Your Flash for 'Freezing' Motion
Here's an interesting flash photography project. With an inexpensive Fresnel lens, you can concentrate the light from your flash. You'll be able to shoot with a smaller aperture and a shorter flash duration. This will give you a greater...
Wolfram Research
Wolfram Science World: Roemer, Olaf
This ScienceWorld site provides a biographical sketch of Olaf Roemer and describes his most notable scientific discoveries such as the first good estimate of the speed of light.
Trinity College Dublin
The History of Mathematics: Roemer
A short biographical sketch of the life and work of Ole Roemer (1652-1719 CE). Identifies his scientific discoveries and contributions in astronomy.
NASA
Nasa: Imagine the Universe: Neutron Stars and Pulsars
Discover what neutron stars and pulsars are and view pictures of them. Includes links to additional resources and lesson plans.
NASA
Nasa: Imagine the Universe: Black Holes
Learn what black holes are and the myths that surround them.
Ducksters
Ducksters: Physics for Kids: Light
Kids learn about the science of light. Energy made of waves and particles called photons traveling at the top speed in the universe. What is refraction? The difference between transparent, translucent, and opaque.
CPALMS
Moving on Up
[Free Registration/Login Required] During this MEA simulation, kindergarten students will be preparing for a move to another state. Students must work in cooperative groups as they determine which moving company will be the best for...
Open Curriculum
Open Curriculum: Velocity and Relative Motion
An illustrated article helps physics students learn about center of mass and velocity, and define the concept of inertia.
Other
Einstein Archives Online
Online access to portions of Einstein's original papers and manuscripts.