[Free Registration/Login may be required to access all resource tools.] A complete, web-based, multi-media textbook covering a wide variety of Earth science concepts for middle grades.

[Free Registration/Login may be required to access all resource tools.] Describes the fronts that occur when two air masses collide.

[Free Registration/Login may be required to access all resource tools.] How meteorologists create and read weather maps.

[Free Registration/Login may be required to access all resource tools.] How meteorologists create and read weather maps.

This textbook chapter looks at the role of temperature in sustaining life on Earth and on weather and climate. It discusses the Earth's movements and the seasons, the circulation of the oceans, wind and weather, and the water cycle....

Students make their own weather station by using homemade version of real weather measurement equipment and use their equipment to make observations and predictions about the local weather.

[Free Registration/Login Required] An informational text about weather. A question sheet is available to help students build skills in reading comprehension.

[Free Registration/Login may be required to access all resource tools.] Air masses greatly influence the the weather in a location.

[Free Registration/Login may be required to access all resource tools.] Air masses greatly influence the the weather in a location.

This activity simulates the way that dissolution, a chemical weathering process, leads to the formation of caves.

In this activity, students will conduct experiments or participate in demonstrations to answer questions about sky and weather phenomena.

In this lesson, learners "rediscover" weather as they use movement to act it out. Using their whole body to bend, stretch and exercise, students follow along as the teacher calls out and moves different types of weather.

[Free Registration/Login may be required to access all resource tools.] Describes how solid rock is worn down through weathering.

[Free Registration/Login may be required to access all resource tools.] Compares and contrasts weather and climate.

Get an overview of the influences of weathering.

Is it time for high tide? Make studying the tides fun with this video. Understand the impact of gravity on the water surfaces of the earth. Take the test to see how well the information is understood.

Water water everywhere. Check out this video clip and test understanding about the cycle of water from the earth to the atmosphere.

Young students are introduced to the complex systems of the Earth through numerous lessons on its natural resources, processes, weather, climate and landforms. Key earth science topics include rocks, soils and minerals, water and natural...

In this Earth Science field investigation, students will make observations of the rock above and below the Minneopa State Park waterfalls. Students will then make observations of gravestones at Minneopa Cemetery. Through these...

[Free Registration/Login may be required to access all resource tools.] Describes the various instruments that scientists use to collect weather data.

[Free Registration/Login may be required to access all resource tools.] Variables that affect the rate of weathering.

[Free Registration/Login may be required to access all resource tools.] Covers the definition of weather and the factors that make up weather.

[Free Registration/Login may be required to access all resource tools.] Describes various types of mechanical weathering.

[Free Registration/Login may be required to access all resource tools.] Describes various types of mechanical weathering.