Cell Phone Safety

What is the primary concern regarding cell phone safety in terms of radiation?

• Thermal radiation

• Ionizing radiation

• Non-ionizing radiation

• Ultraviolet radiation

Tags

NGSS.HS-PS4-3

NGSS.HS-PS4-4

Which part of the electromagnetic spectrum do cell phones primarily use for communication?

• Gamma rays

• X-rays

• Microwaves

• Infrared

Tags

NGSS.HS-PS4-5

What is the specific absorption rate (SAR) in the context of cell phones?

• The rate at which a cell phone battery discharges

• The rate at which the body absorbs radiofrequency energy

• The rate at which data is transferred over a network

• The rate at which a cell phone heats up

Tags

NGSS.HS-PS4-3

NGSS.HS-PS4-5

Which of the following materials can effectively block cell phone radiation?

• Wood

• Metal

• Plastic

• Glass

Tags

NGSS.HS-PS4-5

What is the main purpose of using airplane mode on a cell phone?

• To save battery life

• To block all incoming and outgoing signals

• To increase data speed

• To enhance sound quality

How does distance from a cell phone affect exposure to its radiation?

• Exposure increases with distance

• Exposure decreases with distance

• Distance has no effect on exposure

• Exposure is highest at a medium distance

Tags

NGSS.HS-PS4-4

Which of the following is a recommended practice to reduce radiation exposure from cell phones?

• Using a wired headset

• Holding the phone closer to the body

• Using the phone in areas with weak signals

• Making longer calls

What is the role of the FCC in cell phone safety?

• To manufacture cell phones

• To regulate the specific absorption rate (SAR)

• To design cell phone towers

• To provide customer service for cell phone users

Tags

NGSS.HS-PS4-3

Which of the following is a potential health effect of prolonged cell phone use?

• Increased risk of skin cancer

• Increased risk of brain tumors

• Increased risk of lung cancer

• Increased risk of heart disease

What is the main function of a cell phone's antenna?

• To store data

• To send and receive radio signals

• To charge the battery

• To display images

Tags

NGSS.HS-PS4-5