Project Type: Comprehension

A volcano is a mountain that can release hot, melted rock called lava, along with ash and gases from deep inside the Earth. Volcanoes form when magma, or molten rock, pushes its way up through cracks in the Earth’s crust. When magma reaches the surface, it’s called lava. Lava can flow down the side of…

A tornado is a powerful, spinning column of air that touches both the ground and a cloud above. Tornadoes form when warm, moist air meets cold, dry air. This can cause a thunderstorm, and sometimes the storm spins. If the spinning becomes strong enough, a tornado can form. Tornadoes are known for their funnel shape,…