Curated OER
Earth Day Crossword Puzzle
In this crossword puzzle about Earth Day worksheet, students use clues across and down to complete the puzzle. Students write 9 answers.
Sea World
Seaworld Science Activity
A fun collection of activities about marine life would be a great addition to your elementary science unit. From cute penguins to scary sharks, the unit features crafts, experiments, and basic research projects that will teach your...
Messenger Education
Give Me a Boost—How Gravity Assists Aid Space Exploration
The propellant needed for space explorations runs in the thousands, while paying to get the craft into orbit costs millions! In the second installment of three, two activities explore laws of conservation of energy and momentum. Using...