lava

Everyday

1. Lava is hot, melted rock that flows out of a volcano. tree →
2. Lava is also the rock formed when this melted rock cools and hardens. tree →

In the lessons

In geography and science lessons lava comes from magma (melted rock inside the Earth) and cools into igneous rock like basalt. In games «the floor is lava» means don't touch the floor. Phrases: «a lava flow», «red-hot lava», «lava lamp», «the floor is lava».

Examples

• Lava poured down the side of the volcano. tree →
• Lava can be over 1,000 degrees Celsius. tree →
• When lava cools it becomes hard rock. tree →
• The islands of Hawaii were made by lava. tree →
• We played «the floor is lava» on the sofas. tree →
• A lava lamp has slow blobs of coloured wax. tree →
• The lava flow destroyed the road. tree →
• Does the crater of the volcano know that the glowing lava is pouring from it? tree →

Note

Uncountable: some lava, a lava flow. Trap: magma is melted rock under the ground; once it comes out of the volcano it is called lava. Pronounced LAH-vuh.