JSS1 Third Term Basic Science Lesson Note – Space Travel

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 WEEK EIGHT

TOPIC: FORCE

SUB-TOPIC: SPACE TRAVEL                                                          

Yuri Gagarin

On April 12, 1961, the Russian cosmonaut Yuri Gagarin blasted into orbit. He was the first person in space and completed an orbit of the Earth before landing. This photograph was taken just before lift-off.

Meaning of Space Travel

Definition: Space travel is traveling from the earth to outer space.

Space is the environment surrounding the earth, moon and other planets.

Human beings are able to go to space and spend days and months using a space rocket called space shuttle. Space travels are expensive to run.

On 21^st July 1969 Neil Armstrong an American was the first person to step on the moon. He was followed by Edwin Aldrin, also 2 other Americans, Eugene Cernan and Harrison Schmitt who stayed for about 74 hours and 59 minutes on the moon surface.

Space Travel

For hundreds of years, people dreamed about traveling to outer space. The invention of huge rockets made space travel a reality. An astronaut first went into space in 1961 (A Russian, Major Yuri Gagarin). Only eight years later, astronauts landed on the Moon. Since then, people have continued to explore space.

Rocketing to Space

The development of high-powered rockets, such as this Saturn V rocket, allowed human beings to travel to outer space. Saturn V rockets are the largest rockets ever built.

Purpose/Advantages of Space Travel

The main purpose of space travel is to gain more knowledge that may be useful to human beings. Other purposes include:

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