1 Igneous Rocks: form by crystallizing melted material (magma). 2  They can form either on the surface (extrusive igneous rocks), or deep in the crust (intrusive or plutonic igneous rocks). 3  Volcanoes are places where magma erupts as lava or ash.etamorphic rocks: 1  form by recrystallization of either igneous or sedimentary rocks. 2  This happens when the temperature, pressure or fluid environment change and a rock changes its form (e.g. limestone turns to marble). 3  The range of temperatures for metamophism is 150C up to the melting temperature.
1 Answer 1. Depending on the temperature in your fridge, cooked lentils will be safe to eat for 2 to 5 days when using a sealed container, filled with the cooking water. By immersing them, your lentils won't dry out and they'll be ready to use whenever you need them - just drain the amount you need.
(Dried lentils will also double in size as they cook so make sure you start with a large enough pot.). Different types of dried lentils require different cooking times; read ahead for a quick guide on the types of lentils, and how to prepare them. Brown lentils. Brown lentils, such as Spanish brown and Beluga lentils, are the most common varieties. They have a nice earthy flavour and can be easily prepared within 20 to 30 minutes, making them perfect for quick weeknight suppers.