Science Apps and Online Fun Stuff:

• NASA's Eyes
• PhET Interactive Science Simulations

Government Science:

• Astronomy Picture of the Day
• NASA
• NOAA - The National Oceanic and Atmospheric Association
• NSF - The National Science Foundation

Science on the Calendar:

• October 23 - Mole Day
• March 14 - Pi Day
• April 25 - National DNA Day
• May the 4th - Star Wars Day

Science Education:

• Hour of Code