SME
Grade 4 Science
Earth processes: weathering, erosion and rock layers
The main lesson, then each kind of problem it solves.
Earth processes: weathering, erosion and rock layers
Main lesson
Grass on a slope
Use this for “How does grass keep soil from washing away?”
Water poured and sand moved
Use this for “Does more water carry the sand farther down the tray?”
How the rock layers formed
Use this to put the events that made the rock layers in order.
Where volcanoes and earthquakes happen
Use this for “Where do most volcanoes and earthquakes happen?” on a map.