8Th Science Test 2

Front 1

final stage in the US program to reach the Moon in which Neil Armstrong was the first human to step onto the Moon's surface.

Back 1

Project Apollo

Front 2

First step in the US program to reach the moon that orbited a piloted spacecraft around earth and brought it back safely

Back 2

Project Mercury

Front 3

second stage in the US program to reach the Moon in which an astronaut team connected with another spacecraft in orbit

Back 3

Project Gemini

Front 4

optical telescope that uses a concave mirror to focus light and form an image at the focal pt.

Back 4

reflecting telescope

Front 5

curved path followed by a satelite as it revolves around an object

Back 5

orbit

Front 6

the arrangement of electromagnetic waves according to their wavelengths

Back 6

electromagnetic spectrum

Front 7

instrument that travels far into the solar system gathers data and sends them back to earth

Back 7

space probe

Front 8

building that can house an optical telescope; often has a dome-shaped roof that can be opened for viewing

Back 8

observatory

Front 9

collects and records radio waves traveling through space; can be used day or night under most weather conditions

Back 9

radio telescope

Front 10

large facility w/ living quarters used for humans to conduct research not possible on Earth

Back 10

space station

Front 11

optical telescope that uses a double convex lens to bend light and form an image at the focal point

Back 11

refracting telescope

Front 12

special motor that can work in space and burns liquid or solid fuel

Back 12

rocket

Front 13

any natural or artificial object that revolves around another object

Back 13

satellite

Front 14

reusable spacecraft that can carry cargo, astronauts and satellites to and from space

Back 14

space shuttle