Science Chapter 2 vocabulary

5 Written Questions

1. improved rocketry in the early 1800s and used rockets against American troops in the War of 1812
2. is exploring Saturn's moons and launched a smaller probe Huygens to explore Titan, Saturn's largest moon
3. Russian physicist who described in scientific terms how rockets work and proposed designs for advanced rockets; proposed the idea of multi-stage rockets
4. speed in a given direction
5. a spacecraft that can carry a crew into space,return to Earth,and then be reused for the same purpose

5 Matching Questions

1. NASA
2. Sea of Tranquility
3. liquid -fuel rocket
4. thrust
5. microgravity

1. a government agency established by the US to be in charge of the space program
2. b the reaction force that propels a rocket forward
3. c oxygen and the fuel are in liquid form and stored in separate compartments. When the rocket fires the fuel and oxygen are pumped into the same chamber and ignited. Advantage is that the amount of fuel burned can be regulated by how much liquid fuel and oxygen are mixed together
4. d flat area on the moon's surface
5. e the condition of experiencing weightlessness in orbit

5 Multiple Choice Questions

1. the velocity a rocket must achieve to establish an orbit around a body in space
   1. velocity
   2. Britain
   3. orbital velocity
   4. escape velocity
2. an item that has uses on Earth but was originally developed for use in space
   1. space probe
   2. space spinoff
   3. space station
   4. space shuttle
3. do not burn chemical fuels. They expel ions out of their engines at high speeds. They create less thrust but are very fuel efficient
   1. Ion rockets
   2. rocket
   3. velocity
   4. moon rocks
4. provided detailed images and data about Jupiter and its moons
   1. Galileo
   2. rocket
   3. vacuum
   4. rover
5. a place that is empty of all matter
   1. thrust
   2. NASA
   3. rocket
   4. vacuum

5 True/False Questions

1. escape velocity → the velocity an object must reach to fly beyond a planet's or moon's gravitational pull

   True        False

2. Exploration Rovers → explored Mar's surface and found evident of ancient water

   True        False

3. satellite → provided detailed images and data about Jupiter and its moons

   True        False

4. Robert Goddard → Russian who flew one orbit around Earth aboard Vostok I

   True        False

5. Jules Verne → first to imagine that a spacecraft and crew were shot to the moon by a cannon

   True        False