Technological Advances 4th Grade

A ___________ is an instrument that helps scientists study stars, moons and planets.

A ________ is a small object that orbits or revolves around a larger object in space.

True or False: Technology is the use of knowledge to invent new devices or tools.

A _______ is a scientist who studies the stars, planets, and other natural objects in space.

A ____________ is a building used for observing the sky.

True or False: A Radio Telescope is an instrument that collects light and magnifies it to make clearer pictures of different objects in space.

What type of telescope collects radio waves instead of light waves?

A ___________ is a space craft that travels through space to collect information to send back to Earth.

A _______ is a type of instrument that collects light and magnifies it in order to make clearer pictures of different objects in space.

Type the correct word in the blank:

The act of gathering information by noting facts and occurences.

(a)