I WONDER - Can Rocks Float?

The video tutorial discusses various types of rocks found on Earth and in space, highlighting their different properties. It explains how scientists classify these rocks to study their uses, focusing on volcanic rocks that originate from volcanoes. The tutorial also introduces humus stone, a type of volcanic rock that is light enough to float on water and is used for skin scrubbing.

What unique property allows some rocks to float on water?

• They have a hollow structure

• They are very light

• They are made of metal

• They are extremely dense

Why do scientists group rocks into different types?

• To reduce their weight

• To sell them at higher prices

• To make them more attractive

• To study their uses and properties

Which type of rock originates from volcanoes?

• Volcanic rock

• Metamorphic rock

• Igneous rock

• Sedimentary rock

What is a notable feature of humus stone?

• It is used in construction

• It is magnetic

• It can float on water

• It is very heavy

How is humus stone commonly used by people?

• In jewelry making

• As a building material

• In cooking

• For skin exfoliation