Unit 6, Lesson 3 Test your Knowledge

A repetition of a specific sound produced by reflection of sound waves from a surface.

• binary code

• echolocation

• echo

• biomimicry

Tags

NGSS.MS-PS4-2

A system of representing a letter, digit, or other character using 0's and 1's

• echo

• binary code

• echolocation

• coding

Tags

NGSS.MS-PS4-3

The process of writing a computer program in a language that can be used by a computer

• echo

• binary code

• coding

• echolocation

The process of finding an object by using reflected sound

• echo

• binary code

• coding

• echolocation

• biomimicry

Tags

NGSS.MS-PS4-2

Using nature as a model for human inventions

• echolocation

• binary code

• coding

• biomimicy

• echo

Tags

NGSS.MS-LS2-3

Why do whales, bats, and dolphins use echolocation?

• to scare away predators

• to orient themselves and find food

• to attract mates

• to tell other animals of their species where they are

An echo is heard when sound waves are _____.

• changed by the Doppler effect

• absorbed by a material

• moving through empty space

• reflected from a surface

Tags

NGSS.MS-PS4-2

A method of communication that uses short and long signals to represent letters is called ______________.

• echolocation

• binary code

• Morse code

• computer programming

A submarine using echolocation to find objects underwater in a similar way to a dolphin is an example of____________.

• biomimicry

• camouflage

• symbiosis

• frequency

A method of communication that uses zeros and ones to represent letters and spaces is called ______________.

• echo

• echolocation

• binary code

• morse code

Tags

NGSS.MS-PS4-3