🔬 Science · Volcanoes & Earthquakes
Types of Rock
Know the three main types of rock — igneous (formed when lava or magma cools), sedimentary (formed from layers pressed together), and metamorphic — and that fossils are found in sedimentary rock
Typical age: 7–9 years
“If your child finds different rocks on a beach walk, can they sort them and explain that some formed from cooled lava, some from layers pressed together over time, and that fossils are found in the layered ones?”
0 / 3 mastered
Explore graph
Needs first
- Earth's Layers
Rock types benefit from knowing Earth has hot interior (explains melting for igneous)
- Properties of materials
Volcanic rock types topic parallels curriculum rocks classification
- What Is a VolcanoREQUIRED
Igneous rock concept links to lava cooling from volcanoes
- Earth Is Made of RockREQUIRED
Rock types build on knowing Earth is made of rock