Elección de materiales adecuados

The video tutorial discusses selecting appropriate materials for survival in a new environment. It emphasizes testing material properties like permeability, flexibility, and thermal insulation. The tutorial suggests using plastic tarpaulin for waterproof shelters, foam for warm sleeping arrangements, and sturdy, floating materials for rafts. It also highlights the need for materials that can burn for cooking.

Why is a sponge not suitable for making a shelter?

• It is too heavy.

• It is permeable to water.

• It is not flexible.

• It is too expensive.

What is a key property of plastic tarpaulin that makes it suitable for shelters?

• It is magnetic.

• It is biodegradable.

• It is waterproof.

• It is transparent.

Why is metal not a good choice for sleeping material?

• It is too colorful.

• It is a thermal conductor.

• It is too light.

• It is too soft.

What property of foam makes it suitable for sleeping?

• It is magnetic.

• It is a thermal insulator.

• It is transparent.

• It is waterproof.

Which material property is essential for building a raft?

• It must be transparent.

• It must be edible.

• It must be buoyant.

• It must be magnetic.