Experiments in Zero Gravity

The video explores five fascinating space experiments. It begins with Chris Hadfield demonstrating how astronauts wash their hands using a no-rinse solution in space. Next, an astronaut showcases the unique behavior of water in a weightless environment, followed by Tim Peake testing how the body responds to dizziness in space. Chris Hadfield then performs an experiment wringing out water from a cloth, revealing the effects of surface tension. Finally, Scott Kelly demonstrates how dyes interact with a floating ball of water, creating a miniature planet effect.

What unique method does Chris Hadfield use to wash his hands in space?

• Using a special hand sanitizer

• Using a no-rinse body bath with a straw

• Using a dry towel only

• Using a regular soap and water dispenser

What is the main challenge when washing hands in space?

• Lack of time

• Lack of towels

• Lack of soap

• Lack of gravity to keep water in place

What phenomenon is observed when water is manipulated in a weightless environment?

• Water forms perfect cubes

• Water evaporates instantly

• Water forms spheres and oscillates

• Water behaves like a solid

How does Tim Peake's body respond to being spun around in space?

• He feels no dizziness at all

• He feels dizzy and nauseous

• He feels dizzy initially but recovers quickly

• He feels dizzy for a long time

What is the result of wringing out a wet cloth in space?

• The water evaporates immediately

• The water drips off the cloth

• The water forms a tube around the cloth

• The cloth dries instantly

What causes the water to stick to the astronaut's hands during the cloth experiment?

• Magnetism

• Surface tension

• Gravity

• Static electricity

What effect does Scott Kelly observe when dyes are added to a floating ball of water?

• The dyes form a solid mass

• The dyes evaporate

• The dyes create a miniature planet effect

• The dyes sink to the bottom

What tool does Scott Kelly use to interact with the floating ball of water?

• A hydrophobic paddle

• A spoon

• A straw

• A brush

What is the purpose of using hydrophobic paddles in space?

• To measure temperature

• To repel dust

• To play ping pong with water

• To clean surfaces

What is a common theme in the space experiments shown in the video?

• The use of advanced technology

• The effects of zero gravity on everyday activities

• The training of new astronauts

• The exploration of new planets