In this buoyancy worksheet, students read about neutral buoyancy and that the downward force of gravity is equal and opposite to the upward force of water. They answer four critical thinking questions about buoyancy.

In this plate tectonics instructional activity, learners review concepts such as the types of plate boundaries, the concept of continental drift, sea-floor spreading, earthquakes, and plate tectonics. They match 30 terms with their...

In this salinity activity, students simulate conditions of salt and fresh water mixing and observe the various densities of these solutions based on their salinity.

For this reading comprehension worksheet, students read a short text about living in space. Students then answer 6 multiple choice questions about the story.

For this living in space reading worksheet, students read a passage about life on the International Space Station written by a former astronaut. Students then answer 6 multiple choice questions.

For this earth science worksheet, students read a poem about the wind and learn why the wind blows. After reading the poem and informative paragraphs that follow it, students answer 2 questions regarding the information they read....