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Grade 5 Science · World 1: Earth Shapers · Level 5
Volcanoes and Mountains
Identify lava and rising land as constructive, and see that one event can build and destroy.
Warm-up, learn, try it together, practice, then a quick check. About 15 minutes.
What children learn in Level 5
- Deep underground, some rock is so hot that it's melted. When it erupts, it's called lava.
- Lava cools into new rock. Eruption after eruption, a cone grows into a mountain. The Hawaiian Islands were built this way.
- The land can rise in other ways too. You'll learn how in later grades. Then weathering and erosion start wearing it down.
- One event can do both. An eruption builds new rock, and it can destroy a forest.
Georgia Standards of Excellence in Science:
- S5E1.a — Construct an argument supported by scientific evidence to identify surface features (examples could include deltas, sand dunes, mountains, volcanoes) as being caused by constructive and/or destructive processes (examples could include deposition, weathering, erosion, and impact of organisms).