Extreme life on the Earth and in Space

The lowest winter temperature ever recorded was -89.2°C, in ...

• Siberia

• Greenland

• Antarctica

A hurricane is powerful tropical storm. In a category 5 hurricane, winds reach a speed of ___ km per hour.

• 155

• 252

• 358

Radiation is energy which comes from nuclear reactions. The town of Ramsar, in Iran, has dangerously high levels of radiation which come from ____ .

• a local nuclear power plant

• the rocks in the area

• space

Lemon juice is an acid with a pH value of 2; water has a pH value of 7. Scientists have discovered life in an acidic hot spring (pH 0.2) in ____ .

• Ethiopia, East Africa

• Death Valley, California, The USA

• Alice Springs, Australia

When was the last time America's space agency (NASA) put humans into space?

• 2004

• 2018

• 2011

Can a star turn into a planet?

• No, never

• Yes, if it's a type of star, called brown dwarf

• Yes, if it's a type of star, called silver dwarf

How do we call a region of space having a gravitational field so intense that no matter or radiation can escape?

• black star

• black hole

• black nothing

Does sound travel faster in space?

• Sound does not travel at all in space.

• Yes, it does.

• Yes, but only around the planets and stars.

Which planet has the moon called Titan orbit?

• Venus

• Jupiter

• Saturn

Which planet has supersonic winds?

• Jupiter

• Neptune

• Earth