Phones

Which part of your phone sends out waves to cell towers?

• Microphone

• Microchip

• Antenna

• SIM card

Tags

NGSS.MS-PS4-2

Which type of electromagnetic radiation do phones use?

• visible light waves

• radio waves

• UV rays

• gamma rays

True or False: Each phone has its own cell tower

• True

• False

If Jackie is not near her HOME mobile switching center....

• The call cannot happen

• The call is sent back to Sam

• The call is sent to a random person

• The call is sent to a foreign mobile switching center near Jackie

Sam's phone picks up on him talking, but it can't send out radio waves because it is not able to turn his voice into numbers. What is it missing?

• Antenna

• Microphone

• Camera

• Microchip

Tags

NGSS.MS-PS4-3

Where does the blue light damage cells?

• retina

• lens

• cornea

• pupil

Which of these does blue light reduce?

• brain signals

• melatonin

• serotonin

• dopamine

Tags

NGSS.HS-PS4-3