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.
CK-12 Foundation
Ck 12: Physical Science: Properties of Electromagnetic Waves
[Free Registration/Login may be required to access all resource tools.] The speed of electromagnetic waves, their wavelengths and frequencies and how to calculate wavelength or wave frequency.
Wolfram Research
Wolfram Science World: Maxwell, James
This ScienceWorld site describes the Scottish mathematician and physicist James Maxwell (1831-1879) who published physical and mathematical theories of the electromagnetic field.
Science Struck
Science Struck: Kinetic Energy Formula
Explains what is meant by kinetic energy and demonstrates how to use the formulas for a point mass moving at less than the speed of light, for rotational motion, and for a mass moving at a relativistic speed. Includes interactive...
CK-12 Foundation
Ck 12: Physical Science: Refraction
[Free Registration/Login may be required to access all resource tools.] Refraction of light in matter and how light changes its speed and angle of refraction according to the type of medium it is travelling through.
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.
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.
NASA
Nasa: Imagine the Universe: Black Holes
Learn what black holes are and the myths that surround them.
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...
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.
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.
Other
Einstein Archives Online
Online access to portions of Einstein's original papers and manuscripts.
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.