Science,Ch. 18- Part 4

Match it! Select the correct answer from the pull down...Good luck!

Radar, an acronym for RAdio Detecting And Ranging, uses ____________________ to detect objects in the same way as echolocation.

What speed do all electromagnetic waves travel at?

______________ light has the longest wavelength.

Infrared waves can detect objects that are __________________ than their surroundings.

A gravitational field surrounds _____________________.

A _______________ wave can't travel through space from the Sun to the Earth, but an _______________ wave can.

What you see as different colors are ____________________ of different wavelengths.

the wide range of electromagnetic waves with different frequencies and wavelengths forms the ______________.