[Free Registration/Login may be required to access all resource tools.] Covers different bodies of water, including rivers, lakes, and oceans.

[Free Registration/Login may be required to access all resource tools.] Covers volcanoes, and the different types of eruptions that can occur from them.

[Free Registration/Login may be required to access all resource tools.] Discusses tidal waves, and how they can very quickly form and cause damage.

[Free Registration/Login may be required to access all resource tools.] Demonstrates how water and wind move soil, which can cause issues for farmers.

[Free Registration/Login may be required to access all resource tools.] Describes how signals from lighthouses are used to communicate over long distances.

[Free Registration/Login may be required to access all resource tools.] Discusses how telescopes are constructed and how they are used to help see the night sky.

[Free Registration/Login may be required to access all resource tools.] Discusses the differences in the physical body parts of different animals.

[Free Registration/Login may be required to access all resource tools.] Discusses patterns seen in the Moon's motion.

[Free Registration/Login may be required to access all resource tools.] Describes patterns that can be found in the movement of the Sun, Moon, and stars.

[Free Registration/Login may be required to access all resource tools.] Explores how light and sound are used by people for communication.

[Free Registration/Login may be required to access all resource tools.] Covers the ways that animals' different features can help them survive.

[Free Registration/Login may be required to access all resource tools.] Explores how light interacts with objects in order to create shadows.

[Free Registration/Login may be required to access all resource tools.] Explores sources and properties of light and its effect on seeing.

[Free Registration/Login may be required to access all resource tools.] Students learn about typical weather patterns and how weather changes with the seasons.

[Free Registration/Login may be required to access all resource tools.] Students learn about the Law of Gravity and how it affects planets, objects, animals. and people. Includes a few questions to check for understanding.

[Free Registration/Login may be required to access all resource tools.] Discusses the force of gravity and how it affects our lives.

[Free Registration/Login may be required to access all resource tools.] Looks at world climate zones and where they are found and identifies world climate types based on precipitation amounts and vegetation. Provides the definition...

[Free Registration/Login may be required to access all resource tools.] Discusses electric charge and electric force, and identifies ways that electric charge is transferred.

[Free Registration/Login may be required to access all resource tools.] Looks at the properties of magnets and explains why some materials are magnetic and how magnets can cause change without touching another object.

[Free Registration/Login may be required to access all resource tools.] Provides the definition of gravity and how it relates to weight.

[Free Registration/Login may be required to access all resource tools.] Describes friction and how it opposes motion, and identifies types of friction.

[Free Registration/Login may be required to access all resource tools.] This resource gives the definition of force and provides examples. It also describes how forces combine and affect motion.

[Free Registration/Login may be required to access all resource tools.] Read about how meteorologists predict the weather and how technology and computers are used to forecast the weather. Also discusses what weather maps show us.

[Free Registration/Login may be required to access all resource tools.] This is a science text for Grade 2. Section titles include: A World of Ice and Water, Changes, Earthquakes, The Grand Canyon, Mountains, Preventing Erosion, Tidal...