book 3, chapter 5

Question 1

a machine that uses escaping gas from burning fuel to move

Answer 1

rocket

Question 2

the National Aeronautics and Space Administration

Answer 2

NASA

Question 3

the pushing or pulling force exerted by the engine of an air craft or rocket

Answer 3

thrust

Question 4

any human-made object placed in orbit around a body in space

Answer 4

artificial satelite

Question 5

an orbit less than 1,500 km above the Earth’s surface

Answer 5

low Earth orbit

Question 6

an orbit that is about 36,000 km above the Earth’s surface and in which a fixed satellite is above a fixed spot on the equator

Answer 6

geostationary orbit

Question 7

an uncrewed vehicle that carries scientific instruments into space to collect scientific data

Answer 7

space probe

Question 8

a reusable space vehicle that takes off like a rocket and lands like an airplane

Answer 8

space shuttle

Question 9

a long-term orbiting platform from which other vehicles can be launched or scientific research can be carried out

Answer 9

space station