Six short answer questions challenge scholars to show what they know after reading an informational text that examines waves—what they are, what causes them, and how different Earth factors affect their size and strength.   

What is reflectivity, and what does it have to do with the Earth's climate? As reflectivity is measured by albedo, scientists can gather information on Earth's energy balances that relate to global warming or climate change. Budding...

Students investigate parts of the ocean. In this seaweed lesson, students identify foods that contain seaweed, parts of seaweed, and how the ocean affects our lives. As a class students brainstorm ways we rely on the ocean and compare...

Readers use context to determine the meaning of words found in a short article about earthquakes and the movement of the earth's crust.